CVE-2022-43995

low-risk
Published 2022-11-02

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.

Do I need to act?

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0.10% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.1/10 High
LOCAL / LOW complexity

Affected Products (2)

Affected Vendors

Sudo Project

References (10)

Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=2139911
Patch https://github.com/sudo-project/sudo/commit/bd209b9f16fcd1270c13db27ae3329c677d4...
Third Party Advisory https://news.ycombinator.com/item?id=33465707
Third Party Advisory https://security.gentoo.org/glsa/202211-08
Vendor Advisory https://www.sudo.ws/security/advisories/
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=2139911
Patch https://github.com/sudo-project/sudo/commit/bd209b9f16fcd1270c13db27ae3329c677d4...
Third Party Advisory https://news.ycombinator.com/item?id=33465707
Third Party Advisory https://security.gentoo.org/glsa/202211-08
Vendor Advisory https://www.sudo.ws/security/advisories/
29
/ 100
low-risk
Severity 22/34 · High
Exploitability 0/34 · Minimal
Exposure 7/34 · Low