CVE-2022-43995
First published: Wed Nov 02 2022(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Sudo Project Sudo | >=1.8.0<1.9.12 | |
| Sudo Project Sudo | =1.9.12 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=2139911
- https://github.com/sudo-project/sudo/commit/bd209b9f16fcd1270c13db27ae3329c677d48050
- https://news.ycombinator.com/item?id=33465707
- https://security.gentoo.org/glsa/202211-08
- https://www.sudo.ws/security/advisories/
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2140224
Frequently Asked Questions
What is CVE-2022-43995?
CVE-2022-43995 is a vulnerability in Sudo 1.8.0 through 1.9.12 with the crypt() password backend that can result in a heap-based buffer over-read.
How severe is CVE-2022-43995?
CVE-2022-43995 has a severity rating of 7.1, which is considered high.
Which software versions are affected by CVE-2022-43995?
Versions 1.8.0 through 1.9.12 of the Sudo software are affected by CVE-2022-43995.
How can CVE-2022-43995 be exploited?
CVE-2022-43995 can be triggered by arbitrary local users with access to Sudo by entering a password of seven characters or fewer.
Are there any references for CVE-2022-43995?
Yes, you can find more information about CVE-2022-43995 at the following references: [Link 1](https://bugzilla.redhat.com/show_bug.cgi?id=2140224), [Link 2](https://bugzilla.redhat.com/show_bug.cgi?id=2139911), [Link 3](https://github.com/sudo-project/sudo/commit/bd209b9f16fcd1270c13db27ae3329c677d48050).
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