CVE-2021-35938

Name
CVE-2021-35938
Description
A symbolic link issue was found in rpm. It occurs when rpm sets the desired permissions and credentials after installing a file. A local unprivileged user could use this flaw to exchange the original file with a symbolic link to a security-critical file and escalate their privileges on the system. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
NVD Severity
medium
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
MISC https://bugzilla.redhat.com/show_bug.cgi?id=1964114
MISC https://github.com/rpm-software-management/rpm/pull/1919
MISC https://bugzilla.suse.com/show_bug.cgi?id=1157880
MISC https://github.com/rpm-software-management/rpm/commit/25a435e90844ea98fe5eb7bef22c1aecf3a9c033
MISC https://access.redhat.com/security/cve/CVE-2021-35938
MISC https://rpm.org/wiki/Releases/4.18.0

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:rpm:rpm:*:*:*:*:*:*:*:* rpm >= None < 4.18.0

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
rpm edge-community 4.18.0-r0 None fixed
rpm edge-community 4.17.1-r0 None possibly vulnerable
rpm edge-community 4.16.1.3-r3 None possibly vulnerable
rpm edge-community 4.16.1.3-r2 None possibly vulnerable
rpm edge-community 4.16.1.3-r1 None possibly vulnerable
rpm edge-community 4.16.1.3-r0 None possibly vulnerable
rpm 3.22-community 4.18.0-r0 None fixed
rpm 3.22-community 4.17.1-r0 None possibly vulnerable
rpm 3.22-community 4.16.1.3-r0 None possibly vulnerable
rpm 3.21-community 4.18.0-r0 None fixed
rpm 3.20-community 4.18.0-r0 None fixed
rpm 3.19-community 4.18.0-r0 None fixed
rpm 3.18-community 4.18.0-r0 None fixed
rpm 3.17-community 4.18.0-r0 None fixed