9.8
CRITICAL
CVE-2018-19115
Keepalived Heap-Based Buffer Overflow Vulnerability
Description

keepalived before 2.0.7 has a heap-based buffer overflow when parsing HTTP status codes resulting in DoS or possibly unspecified other impact, because extract_status_code in lib/html.c has no validation of the status code and instead writes an unlimited amount of data to the heap.

INFO

Published Date :

Nov. 8, 2018, 8:29 p.m.

Last Modified :

Aug. 24, 2020, 5:37 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2018-19115 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_server
2 Redhat enterprise_linux_workstation
3 Redhat enterprise_linux_server_aus
4 Redhat enterprise_linux_server_eus
5 Redhat enterprise_linux_server_tus
1 Debian debian_linux
1 Keepalived keepalived
References to Advisories, Solutions, and Tools

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).

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

The following list is the news that have been mention CVE-2018-19115 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2018-19115 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 [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CWE Remap by [email protected]

    Aug. 24, 2020

    Action Type Old Value New Value
    Changed CWE CWE-119 CWE-787
  • CVE Modified by [email protected]

    Jul. 30, 2019

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2019:1945 [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 16, 2019

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2019:1792 [No Types Assigned]
  • CVE Modified by [email protected]

    May. 28, 2019

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/3995-2/ [No Types Assigned]
  • CVE Modified by [email protected]

    May. 28, 2019

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/3995-1/ [No Types Assigned]
  • Modified Analysis by [email protected]

    Mar. 12, 2019

    Action Type Old Value New Value
    Changed Reference Type https://security.gentoo.org/glsa/201903-01 No Types Assigned https://security.gentoo.org/glsa/201903-01 Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2018/11/msg00034.html Third Party Advisory https://lists.debian.org/debian-lts-announce/2018/11/msg00034.html Mailing List, Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* OR *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Mar. 10, 2019

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/201903-01 [No Types Assigned]
  • Initial Analysis by [email protected]

    Jan. 08, 2019

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://access.redhat.com/errata/RHSA-2019:0022 No Types Assigned https://access.redhat.com/errata/RHSA-2019:0022 Third Party Advisory
    Changed Reference Type https://bugzilla.suse.com/show_bug.cgi?id=1015141 No Types Assigned https://bugzilla.suse.com/show_bug.cgi?id=1015141 Issue Tracking, Third Party Advisory
    Changed Reference Type https://github.com/acassen/keepalived/pull/961/commits/f28015671a4b04785859d1b4b1327b367b6a10e9 No Types Assigned https://github.com/acassen/keepalived/pull/961/commits/f28015671a4b04785859d1b4b1327b367b6a10e9 Patch, Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2018/11/msg00034.html No Types Assigned https://lists.debian.org/debian-lts-announce/2018/11/msg00034.html Third Party Advisory
    Changed Reference Type https://github.com/acassen/keepalived/pull/961 No Types Assigned https://github.com/acassen/keepalived/pull/961 Patch, Third Party Advisory
    Added CWE CWE-119
    Added CPE Configuration OR *cpe:2.3:a:keepalived:keepalived:*:*:*:*:*:*:*:* versions up to (excluding) 2.0.7
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jan. 04, 2019

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2019:0022 [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 27, 2018

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2018/11/msg00034.html [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 09, 2018

    Action Type Old Value New Value
    Changed Description keepalived through 2.0.8 has a heap-based buffer overflow when parsing HTTP status codes resulting in DoS or possibly unspecified other impact, because extract_status_code in lib/html.c has no validation of the status code and instead writes an unlimited amount of data to the heap. keepalived before 2.0.7 has a heap-based buffer overflow when parsing HTTP status codes resulting in DoS or possibly unspecified other impact, because extract_status_code in lib/html.c has no validation of the status code and instead writes an unlimited amount of data to the heap.
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-2018-19115 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-2018-19115 weaknesses.

Exploit Prediction

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

1.29 }} -0.53%

score

0.85888

percentile

CVSS30 - Vulnerability Scoring System
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