7.5
HIGH
CVE-2018-5733
BIND-ISC DHCP 32-Bit Reference Counter Overflow
Description
A malicious client which is allowed to send very large amounts of traffic (billions of packets) to a DHCP server can eventually overflow a 32-bit reference counter, potentially causing dhcpd to crash. Affects ISC DHCP 4.1.0 -> 4.1-ESV-R15, 4.2.0 -> 4.2.8, 4.3.0 -> 4.3.6, 4.4.0.
INFO
Published Date :
Jan. 16, 2019, 8:29 p.m.
Last Modified :
Jan. 9, 2020, 9:08 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2018-5733
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.
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-2018-5733.
| URL | Resource |
|---|---|
| http://www.securityfocus.com/bid/103188 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1040437 | Third Party Advisory VDB Entry |
| https://access.redhat.com/errata/RHSA-2018:0469 | Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2018:0483 | Third Party Advisory |
| https://kb.isc.org/docs/aa-01567 | Vendor Advisory |
| https://lists.debian.org/debian-lts-announce/2018/03/msg00015.html | Third Party Advisory |
| https://usn.ubuntu.com/3586-1/ | Third Party Advisory |
| https://usn.ubuntu.com/3586-2/ | Third Party Advisory |
| https://www.debian.org/security/2018/dsa-4133 | 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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-5733 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-5733 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 -
Modified Analysis by [email protected]
Jan. 09, 2020
Action Type Old Value New Value Removed CVSS V3 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed CPE Configuration OR *cpe:2.3:a:isc:dhcp:4.1-esv:*:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r10:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r10_b1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r10_rc1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r11:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r11_b1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r11_rc1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r11_rc2:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r12:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r12_b1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r12_p1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r13:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r13_b1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r14:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r14_b1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r15:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r2:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r3:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r3_b1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r4:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r5:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r5_b1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r5_rc1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r5_rc2:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r6:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r7:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r8:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r8_b1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r8_rc1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r9:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r9_b1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r9_rc1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:rc1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1.0:*:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:*:*:*:*:*:*:*:* versions from (including) 4.2.0 up to (including) 4.2.8 *cpe:2.3:a:isc:dhcp:*:*:*:*:*:*:*:* versions from (including) 4.3.0 up to (including) 4.3.6 *cpe:2.3:a:isc:dhcp:4.4.0:*:*:*:*:*:*:* OR *cpe:2.3:a:isc:dhcp:4.1-esv:-:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r10:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r10_b1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r10_rc1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r11:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r11_b1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r11_rc1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r11_rc2:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r12:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r12_b1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r12_p1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r13:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r13_b1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r14:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r14_b1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r15:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r2:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r3:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r3_b1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r4:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r5:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r5_b1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r5_rc1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r5_rc2:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r6:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r7:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r8:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r8_b1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r8_rc1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r9:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r9_b1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r9_rc1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:rc1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1.0:-:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:*:*:*:*:*:*:*:* versions from (including) 4.2.0 up to (including) 4.2.8 *cpe:2.3:a:isc:dhcp:*:*:*:*:*:*:*:* versions from (including) 4.3.0 up to (including) 4.3.6 *cpe:2.3:a:isc:dhcp:4.4.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Oct. 09, 2019
Action Type Old Value New Value Added CVSS V3 Internet Systems Consortium (ISC) AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H -
Initial Analysis by [email protected]
Feb. 07, 2019
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://lists.debian.org/debian-lts-announce/2018/03/msg00015.html No Types Assigned https://lists.debian.org/debian-lts-announce/2018/03/msg00015.html Third Party Advisory Changed Reference Type http://www.securitytracker.com/id/1040437 No Types Assigned http://www.securitytracker.com/id/1040437 Third Party Advisory, VDB Entry Changed Reference Type http://www.securityfocus.com/bid/103188 No Types Assigned http://www.securityfocus.com/bid/103188 Third Party Advisory, VDB Entry Changed Reference Type https://access.redhat.com/errata/RHSA-2018:0469 No Types Assigned https://access.redhat.com/errata/RHSA-2018:0469 Third Party Advisory Changed Reference Type https://kb.isc.org/docs/aa-01567 No Types Assigned https://kb.isc.org/docs/aa-01567 Vendor Advisory Changed Reference Type https://www.debian.org/security/2018/dsa-4133 No Types Assigned https://www.debian.org/security/2018/dsa-4133 Third Party Advisory Changed Reference Type https://usn.ubuntu.com/3586-1/ No Types Assigned https://usn.ubuntu.com/3586-1/ Third Party Advisory Changed Reference Type https://access.redhat.com/errata/RHSA-2018:0483 No Types Assigned https://access.redhat.com/errata/RHSA-2018:0483 Third Party Advisory Changed Reference Type https://usn.ubuntu.com/3586-2/ No Types Assigned https://usn.ubuntu.com/3586-2/ Third Party Advisory Added CWE CWE-190 Added CPE Configuration OR *cpe:2.3:a:isc:dhcp:4.1-esv:*:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r10:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r10_b1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r10_rc1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r11:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r11_b1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r11_rc1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r11_rc2:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r12:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r12_b1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r12_p1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r13:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r13_b1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r14:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r14_b1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r15:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r2:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r3:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r3_b1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r4:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r5:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r5_b1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r5_rc1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r5_rc2:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r6:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r7:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r8:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r8_b1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r8_rc1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r9:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r9_b1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:r9_rc1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1-esv:rc1:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:4.1.0:*:*:*:*:*:*:* *cpe:2.3:a:isc:dhcp:*:*:*:*:*:*:*:* versions from (including) 4.2.0 up to (including) 4.2.8 *cpe:2.3:a:isc:dhcp:*:*:*:*:*:*:*:* versions from (including) 4.3.0 up to (including) 4.3.6 *cpe:2.3:a:isc:dhcp:4.4.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* *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_eus:7.4:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jan. 17, 2019
Action Type Old Value New Value Added Reference https://www.debian.org/security/2018/dsa-4133 [No Types Assigned] Added Reference https://usn.ubuntu.com/3586-2/ [No Types Assigned] Added Reference https://usn.ubuntu.com/3586-1/ [No Types Assigned] Added Reference https://lists.debian.org/debian-lts-announce/2018/03/msg00015.html [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2018:0483 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2018:0469 [No Types Assigned] Added Reference http://www.securitytracker.com/id/1040437 [No Types Assigned] Added Reference http://www.securityfocus.com/bid/103188 [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-2018-5733 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-2018-5733
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
8.62 }} 2.09%
score
0.94611
percentile
CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability