CVE-2022-43995
Apache Sudo Heap-Based Buffer Over-Read vulnerability
Description
Sudo 1.8.0 through 1.9.12, with the crypt() password backend, contains a plugins/sudoers/auth/passwd.c array-out-of-bounds error that can result in a heap-based buffer over-read. This can be triggered by arbitrary local users with access to Sudo by entering a password of seven characters or fewer. The impact could vary depending on the system libraries, compiler, and processor architecture.
INFO
Published Date :
Nov. 2, 2022, 2:15 p.m.
Last Modified :
Dec. 6, 2022, 12:15 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.2
Exploitability Score :
1.8
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-2022-43995.
| URL | Resource |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=2139911 | Issue Tracking Third Party Advisory |
| https://github.com/sudo-project/sudo/commit/bd209b9f16fcd1270c13db27ae3329c677d48050 | Patch Third Party Advisory |
| https://news.ycombinator.com/item?id=33465707 | Third Party Advisory |
| https://security.gentoo.org/glsa/202211-08 | Third Party Advisory |
| https://www.sudo.ws/security/advisories/ | Vendor 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-2022-43995 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-43995 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]
Dec. 06, 2022
Action Type Old Value New Value Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2139911 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2139911 Issue Tracking, Third Party Advisory Changed Reference Type https://news.ycombinator.com/item?id=33465707 No Types Assigned https://news.ycombinator.com/item?id=33465707 Third Party Advisory Changed Reference Type https://security.gentoo.org/glsa/202211-08 No Types Assigned https://security.gentoo.org/glsa/202211-08 Third Party Advisory Changed CPE Configuration OR *cpe:2.3:a:sudo_project:sudo:*:*:*:*:*:*:*:* versions from (including) 1.8.0 up to (including) 1.9.12 OR *cpe:2.3:a:sudo_project:sudo:*:*:*:*:*:*:*:* versions from (including) 1.8.0 up to (excluding) 1.9.12 *cpe:2.3:a:sudo_project:sudo:1.9.12:-:*:*:*:*:*:* -
CVE Modified by [email protected]
Nov. 22, 2022
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202211-08 [No Types Assigned] -
CVE Modified by [email protected]
Nov. 04, 2022
Action Type Old Value New Value Changed Description Sudo 1.8.0 through 1.9.12, with the crypt() password backend, contains a plugins/sudoers/auth/passwd.c array-out-of-bounds error that can result in a heap-based buffer over-read. This can be triggered by arbitrary local users with access to Sudo by entering a password of seven characters or fewer. The impact could vary depending on the compiler and processor architecture. Sudo 1.8.0 through 1.9.12, with the crypt() password backend, contains a plugins/sudoers/auth/passwd.c array-out-of-bounds error that can result in a heap-based buffer over-read. This can be triggered by arbitrary local users with access to Sudo by entering a password of seven characters or fewer. The impact could vary depending on the system libraries, compiler, and processor architecture. Added Reference https://news.ycombinator.com/item?id=33465707 [No Types Assigned] Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2139911 [No Types Assigned] -
Initial Analysis by [email protected]
Nov. 03, 2022
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H Changed Reference Type https://github.com/sudo-project/sudo/commit/bd209b9f16fcd1270c13db27ae3329c677d48050 No Types Assigned https://github.com/sudo-project/sudo/commit/bd209b9f16fcd1270c13db27ae3329c677d48050 Patch, Third Party Advisory Changed Reference Type https://www.sudo.ws/security/advisories/ No Types Assigned https://www.sudo.ws/security/advisories/ Vendor Advisory Added CWE NIST CWE-125 Added CPE Configuration OR *cpe:2.3:a:sudo_project:sudo:*:*:*:*:*:*:*:* versions from (including) 1.8.0 up to (including) 1.9.12
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-43995 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-2022-43995
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.05635
percentile