CVE-2021-23239

Public Exploit

Description

The sudoedit personality of Sudo before 1.9.5 may allow a local unprivileged user to perform arbitrary directory-existence tests by winning a sudo_edit.c race condition in replacing a user-controlled directory by a symlink to an arbitrary path.

Category

2.5
CVSS
Severity: Low
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.04%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory gentoo.org Vendor Advisory sudo.ws
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugzilla.suse.com/show_bug.cgi?id=CVE-2021-23239 issue tracking exploit third party advisory
https://www.sudo.ws/stable.html#1.9.5 release notes vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EE42Y35SMJOLONAIBNYNFC7J44UUZ2Y6/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GMY4VSSBIND7VAYSN6T7XIWJRWG4GBB3/ vendor advisory
https://security.gentoo.org/glsa/202101-33 third party advisory vendor advisory
https://security.netapp.com/advisory/ntap-20210129-0010/ third party advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00007.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2021-23239?
CVE-2021-23239 has been scored as a low severity vulnerability.
How to fix CVE-2021-23239?
To fix CVE-2021-23239, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-23239 being actively exploited in the wild?
It is possible that CVE-2021-23239 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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