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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Sudo Project | Sudo | >= 1.8.0, < 1.9.12 |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2139911Issue TrackingThird Party Advisory
- https://github.com/sudo-project/sudo/commit/bd209b9f16fcd1270c13db27ae3329c677d4PatchThird Party Advisory
- https://news.ycombinator.com/item?id=33465707Third Party Advisory
- https://security.gentoo.org/glsa/202211-08Third Party Advisory
- https://www.sudo.ws/security/advisories/Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2139911Issue TrackingThird Party Advisory
- https://github.com/sudo-project/sudo/commit/bd209b9f16fcd1270c13db27ae3329c677d4PatchThird Party Advisory
- https://news.ycombinator.com/item?id=33465707Third Party Advisory
- https://security.gentoo.org/glsa/202211-08Third Party Advisory
- https://www.sudo.ws/security/advisories/Vendor Advisory
FAQ
What is CVE-2022-43995?
CVE-2022-43995 is a vulnerability with a CVSS score of 7.1 (HIGH). 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...
How severe is CVE-2022-43995?
CVE-2022-43995 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-43995?
Check the references section above for vendor advisories and patch information. Affected products include: Sudo Project Sudo.