3.3
LOW
CVE-2018-16866
Systemd-Journald Out-of-Bounds Read Vulnerability
Description

An out of bounds read was discovered in systemd-journald in the way it parses log messages that terminate with a colon ':'. A local attacker can use this flaw to disclose process memory data. Versions from v221 to v239 are vulnerable.

INFO

Published Date :

Jan. 11, 2019, 7:29 p.m.

Last Modified :

Nov. 21, 2024, 3:53 a.m.

Remotely Exploitable :

No

Impact Score :

1.4

Exploitability Score :

1.8
Public PoC/Exploit Available at Github

CVE-2018-16866 has a 3 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2018-16866 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Redhat enterprise_linux
2 Redhat enterprise_linux_desktop
3 Redhat enterprise_linux_server
4 Redhat enterprise_linux_workstation
5 Redhat enterprise_linux_server_aus
6 Redhat enterprise_linux_server_tus
7 Redhat enterprise_linux_compute_node_eus
8 Redhat enterprise_linux_for_ibm_z_systems_eus
9 Redhat enterprise_linux_for_power_big_endian_eus
10 Redhat enterprise_linux_for_power_little_endian
11 Redhat enterprise_linux_for_power_little_endian_eus
12 Redhat enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions
13 Redhat enterprise_linux_server_update_services_for_sap_solutions
14 Redhat enterprise_linux_for_power_big_endian
15 Redhat enterprise_linux_for_ibm_z_systems_\(structure_a\)
16 Redhat enterprise_linux_for_scientific_computing
1 Netapp element_software
2 Netapp active_iq_performance_analytics_services
1 Canonical ubuntu_linux
1 Debian debian_linux
1 Systemd_project systemd
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2018-16866.

URL Resource
http://packetstormsecurity.com/files/152841/System-Down-A-systemd-journald-Exploit.html Third Party Advisory VDB Entry
http://seclists.org/fulldisclosure/2019/May/21 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/05/10/4 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/106527 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2019:2091 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3222 Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0593 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16866 Issue Tracking Patch Third Party Advisory
https://seclists.org/bugtraq/2019/May/25 Mailing List Third Party Advisory
https://security.gentoo.org/glsa/201903-07 Third Party Advisory
https://security.netapp.com/advisory/ntap-20190117-0001/ Third Party Advisory
https://usn.ubuntu.com/3855-1/ Third Party Advisory
https://www.debian.org/security/2019/dsa-4367 Third Party Advisory
https://www.qualys.com/2019/01/09/system-down/system-down.txt Exploit Third Party Advisory
http://packetstormsecurity.com/files/152841/System-Down-A-systemd-journald-Exploit.html Third Party Advisory VDB Entry
http://seclists.org/fulldisclosure/2019/May/21 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/05/10/4 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/106527 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2019:2091 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3222 Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0593 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16866 Issue Tracking Patch Third Party Advisory
https://seclists.org/bugtraq/2019/May/25 Mailing List Third Party Advisory
https://security.gentoo.org/glsa/201903-07 Third Party Advisory
https://security.netapp.com/advisory/ntap-20190117-0001/ Third Party Advisory
https://usn.ubuntu.com/3855-1/ Third Party Advisory
https://www.debian.org/security/2019/dsa-4367 Third Party Advisory
https://www.qualys.com/2019/01/09/system-down/system-down.txt Exploit Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Map Vulnerabilities into Different Layers of the Container Image

Python

Updated: 1 year, 11 months ago
1 stars 0 fork 0 watcher
Born at : Oct. 5, 2022, 12:07 p.m. This repo has been linked 1276 different CVEs too.

Remediation task for CVE-2018-15686, CVE-2018-16866, and CVE-2018-16888 affecting SystemD in EL7

Ruby Shell

Updated: 5 years ago
0 stars 0 fork 0 watcher
Born at : Oct. 3, 2019, 9:26 p.m. This repo has been linked 3 different CVEs too.

None

Shell

Updated: 5 years, 5 months ago
0 stars 0 fork 0 watcher
Born at : July 18, 2019, 10:49 p.m. This repo has been linked 124 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2018-16866 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2018-16866 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/152841/System-Down-A-systemd-journald-Exploit.html
    Added Reference http://seclists.org/fulldisclosure/2019/May/21
    Added Reference http://www.openwall.com/lists/oss-security/2019/05/10/4
    Added Reference http://www.securityfocus.com/bid/106527
    Added Reference https://access.redhat.com/errata/RHSA-2019:2091
    Added Reference https://access.redhat.com/errata/RHSA-2019:3222
    Added Reference https://access.redhat.com/errata/RHSA-2020:0593
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16866
    Added Reference https://seclists.org/bugtraq/2019/May/25
    Added Reference https://security.gentoo.org/glsa/201903-07
    Added Reference https://security.netapp.com/advisory/ntap-20190117-0001/
    Added Reference https://usn.ubuntu.com/3855-1/
    Added Reference https://www.debian.org/security/2019/dsa-4367
    Added Reference https://www.qualys.com/2019/01/09/system-down/system-down.txt
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Feb. 13, 2023

    Action Type Old Value New Value
    Changed Description An out of bounds read was discovered in systemd-journald in the way it parses log messages that terminate with a colon ':'. A local attacker can use this flaw to disclose process memory data. An out of bounds read was discovered in systemd-journald in the way it parses log messages that terminate with a colon ':'. A local attacker can use this flaw to disclose process memory data. Versions from v221 to v239 are vulnerable.
    Removed Reference https://access.redhat.com/errata/RHBA-2020:0547 [No Types Assigned]
    Removed Reference https://access.redhat.com/errata/RHSA-2020:1264 [No Types Assigned]
    Removed Reference https://access.redhat.com/security/cve/CVE-2018-16866 [No Types Assigned]
    Removed Reference https://bugzilla.redhat.com/show_bug.cgi?id=1653867 [No Types Assigned]
    Added CWE Red Hat, Inc. CWE-200
    Added CWE Red Hat, Inc. CWE-125
  • CVE Modified by [email protected]

    Feb. 02, 2023

    Action Type Old Value New Value
    Changed Description An out of bounds read was discovered in systemd-journald in the way it parses log messages that terminate with a colon ':'. A local attacker can use this flaw to disclose process memory data. Versions from v221 to v239 are vulnerable. An out of bounds read was discovered in systemd-journald in the way it parses log messages that terminate with a colon ':'. A local attacker can use this flaw to disclose process memory data.
    Added Reference https://access.redhat.com/errata/RHSA-2020:1264 [No Types Assigned]
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1653867 [No Types Assigned]
    Added Reference https://access.redhat.com/security/cve/CVE-2018-16866 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHBA-2020:0547 [No Types Assigned]
    Removed CWE Red Hat, Inc. CWE-200
    Removed CWE Red Hat, Inc. CWE-125
    Removed CWE Reason CWE-200 / Assessment performed prior to CVMAP efforts
  • Modified Analysis by [email protected]

    Feb. 20, 2022

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
    Changed Reference Type http://packetstormsecurity.com/files/152841/System-Down-A-systemd-journald-Exploit.html No Types Assigned http://packetstormsecurity.com/files/152841/System-Down-A-systemd-journald-Exploit.html Third Party Advisory, VDB Entry
    Changed Reference Type http://seclists.org/fulldisclosure/2019/May/21 No Types Assigned http://seclists.org/fulldisclosure/2019/May/21 Mailing List, Third Party Advisory
    Changed Reference Type http://www.openwall.com/lists/oss-security/2019/05/10/4 No Types Assigned http://www.openwall.com/lists/oss-security/2019/05/10/4 Mailing List, Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2019:2091 No Types Assigned https://access.redhat.com/errata/RHSA-2019:2091 Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2019:3222 No Types Assigned https://access.redhat.com/errata/RHSA-2019:3222 Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2020:0593 No Types Assigned https://access.redhat.com/errata/RHSA-2020:0593 Third Party Advisory
    Changed Reference Type https://seclists.org/bugtraq/2019/May/25 No Types Assigned https://seclists.org/bugtraq/2019/May/25 Mailing List, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_compute_node_eus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_\(structure_a\):7_s390x:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian_eus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_scientific_computing:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:7.4:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_tus:7.4:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:7.4:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Jan. 28, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:freedesktop:systemd:*:*:*:*:*:*:*:* versions from (including) 221 from (including) 239 OR *cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:* versions from (including) 221 from (including) 239
  • CVE Modified by [email protected]

    Feb. 25, 2020

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2020:0593 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 29, 2019

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2019:3222 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 09, 2019

    Action Type Old Value New Value
    Added CVSS V3 Red Hat, Inc. AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
    Added CWE Red Hat, Inc. CWE-200
    Added CWE Red Hat, Inc. CWE-125
  • CVE Modified by [email protected]

    Aug. 06, 2019

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2019:2091 [No Types Assigned]
  • CVE Modified by [email protected]

    May. 13, 2019

    Action Type Old Value New Value
    Added Reference http://seclists.org/fulldisclosure/2019/May/21 [No Types Assigned]
  • CVE Modified by [email protected]

    May. 13, 2019

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/152841/System-Down-A-systemd-journald-Exploit.html [No Types Assigned]
  • CVE Modified by [email protected]

    May. 13, 2019

    Action Type Old Value New Value
    Added Reference https://seclists.org/bugtraq/2019/May/25 [No Types Assigned]
  • CVE Modified by [email protected]

    May. 10, 2019

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2019/05/10/4 [No Types Assigned]
  • Modified Analysis by [email protected]

    Mar. 11, 2019

    Action Type Old Value New Value
    Changed Reference Type https://security.gentoo.org/glsa/201903-07 No Types Assigned https://security.gentoo.org/glsa/201903-07 Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:netapp:active_iq_performance_analytics_services:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:element_software:*:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Mar. 11, 2019

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/201903-07 [No Types Assigned]
  • Initial Analysis by [email protected]

    Feb. 06, 2019

    Action Type Old Value New Value
    Added CVSS V2 (AV:L/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
    Changed Reference Type https://security.netapp.com/advisory/ntap-20190117-0001/ No Types Assigned https://security.netapp.com/advisory/ntap-20190117-0001/ Third Party Advisory
    Changed Reference Type https://www.qualys.com/2019/01/09/system-down/system-down.txt No Types Assigned https://www.qualys.com/2019/01/09/system-down/system-down.txt Exploit, Third Party Advisory
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16866 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16866 Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2019/dsa-4367 No Types Assigned https://www.debian.org/security/2019/dsa-4367 Third Party Advisory
    Changed Reference Type http://www.securityfocus.com/bid/106527 No Types Assigned http://www.securityfocus.com/bid/106527 Third Party Advisory, VDB Entry
    Changed Reference Type https://usn.ubuntu.com/3855-1/ No Types Assigned https://usn.ubuntu.com/3855-1/ Third Party Advisory
    Added CWE CWE-125
    Added CPE Configuration OR *cpe:2.3:a:freedesktop:systemd:*:*:*:*:*:*:*:* versions from (including) 221 up to (including) 239
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jan. 18, 2019

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20190117-0001/ [No Types Assigned]
  • CVE Modified by [email protected]

    Jan. 14, 2019

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2019/dsa-4367 [No Types Assigned]
  • CVE Modified by [email protected]

    Jan. 12, 2019

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/3855-1/ [No Types Assigned]
    Added Reference http://www.securityfocus.com/bid/106527 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2018-16866 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2018-16866 weaknesses.

CAPEC-540: Overread Buffers Overread Buffers CAPEC-13: Subverting Environment Variable Values Subverting Environment Variable Values CAPEC-22: Exploiting Trust in Client Exploiting Trust in Client CAPEC-59: Session Credential Falsification through Prediction Session Credential Falsification through Prediction CAPEC-60: Reusing Session IDs (aka Session Replay) Reusing Session IDs (aka Session Replay) CAPEC-79: Using Slashes in Alternate Encoding Using Slashes in Alternate Encoding CAPEC-116: Excavation Excavation CAPEC-169: Footprinting Footprinting CAPEC-224: Fingerprinting Fingerprinting CAPEC-285: ICMP Echo Request Ping ICMP Echo Request Ping CAPEC-287: TCP SYN Scan TCP SYN Scan CAPEC-290: Enumerate Mail Exchange (MX) Records Enumerate Mail Exchange (MX) Records CAPEC-291: DNS Zone Transfers DNS Zone Transfers CAPEC-292: Host Discovery Host Discovery CAPEC-293: Traceroute Route Enumeration Traceroute Route Enumeration CAPEC-294: ICMP Address Mask Request ICMP Address Mask Request CAPEC-295: Timestamp Request Timestamp Request CAPEC-296: ICMP Information Request ICMP Information Request CAPEC-297: TCP ACK Ping TCP ACK Ping CAPEC-298: UDP Ping UDP Ping CAPEC-299: TCP SYN Ping TCP SYN Ping CAPEC-300: Port Scanning Port Scanning CAPEC-301: TCP Connect Scan TCP Connect Scan CAPEC-302: TCP FIN Scan TCP FIN Scan CAPEC-303: TCP Xmas Scan TCP Xmas Scan CAPEC-304: TCP Null Scan TCP Null Scan CAPEC-305: TCP ACK Scan TCP ACK Scan CAPEC-306: TCP Window Scan TCP Window Scan CAPEC-307: TCP RPC Scan TCP RPC Scan CAPEC-308: UDP Scan UDP Scan CAPEC-309: Network Topology Mapping Network Topology Mapping CAPEC-310: Scanning for Vulnerable Software Scanning for Vulnerable Software CAPEC-312: Active OS Fingerprinting Active OS Fingerprinting CAPEC-313: Passive OS Fingerprinting Passive OS Fingerprinting CAPEC-317: IP ID Sequencing Probe IP ID Sequencing Probe CAPEC-318: IP 'ID' Echoed Byte-Order Probe IP 'ID' Echoed Byte-Order Probe CAPEC-319: IP (DF) 'Don't Fragment Bit' Echoing Probe IP (DF) 'Don't Fragment Bit' Echoing Probe CAPEC-320: TCP Timestamp Probe TCP Timestamp Probe CAPEC-321: TCP Sequence Number Probe TCP Sequence Number Probe CAPEC-322: TCP (ISN) Greatest Common Divisor Probe TCP (ISN) Greatest Common Divisor Probe CAPEC-323: TCP (ISN) Counter Rate Probe TCP (ISN) Counter Rate Probe CAPEC-324: TCP (ISN) Sequence Predictability Probe TCP (ISN) Sequence Predictability Probe CAPEC-325: TCP Congestion Control Flag (ECN) Probe TCP Congestion Control Flag (ECN) Probe CAPEC-326: TCP Initial Window Size Probe TCP Initial Window Size Probe CAPEC-327: TCP Options Probe TCP Options Probe CAPEC-328: TCP 'RST' Flag Checksum Probe TCP 'RST' Flag Checksum Probe CAPEC-329: ICMP Error Message Quoting Probe ICMP Error Message Quoting Probe CAPEC-330: ICMP Error Message Echoing Integrity Probe ICMP Error Message Echoing Integrity Probe CAPEC-472: Browser Fingerprinting Browser Fingerprinting CAPEC-497: File Discovery File Discovery CAPEC-508: Shoulder Surfing Shoulder Surfing CAPEC-573: Process Footprinting Process Footprinting CAPEC-574: Services Footprinting Services Footprinting CAPEC-575: Account Footprinting Account Footprinting CAPEC-576: Group Permission Footprinting Group Permission Footprinting CAPEC-577: Owner Footprinting Owner Footprinting CAPEC-616: Establish Rogue Location Establish Rogue Location CAPEC-643: Identify Shared Files/Directories on System Identify Shared Files/Directories on System CAPEC-646: Peripheral Footprinting Peripheral Footprinting CAPEC-651: Eavesdropping Eavesdropping
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.05 }} 0.01%

score

0.23043

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability