Vulnerability DatabaseCVE-2021-23239
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CVE-2021-23239
January 12, 2021
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.
Related Resources (14)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EE42Y35SMJOLONAIBNYNFC7J44UUZ2Y6/
https://lists.debian.org/debian-lts-announce/2022/11/msg00007.html
https://access.redhat.com/security/cve/CVE-2021-23239
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GMY4VSSBIND7VAYSN6T7XIWJRWG4GBB3/
https://security-tracker.debian.org/tracker/CVE-2021-23239
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GMY4VSSBIND7VAYSN6T7XIWJRWG4GBB3/
https://security.gentoo.org/glsa/202101-33
https://security.alpinelinux.org/vuln/CVE-2021-23239
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-23239
https://security.netapp.com/advisory/ntap-20210129-0010/
https://bugzilla.suse.com/show_bug.cgi?id=CVE-2021-23239
https://github.com/sudo-project/sudo/commit/db1f27c0350e9e437c93780ffe88648ae1984467
https://www.sudo.ws/stable.html#1.9.5
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EE42Y35SMJOLONAIBNYNFC7J44UUZ2Y6/
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CVSS v4
Base Score:
2
Attack Vector
LOCAL
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
2.5
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
CVSS v2
Base Score:
1.9
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
EPSS
Base Score:
0.15