medium6.7
CVE-2021-35938
A symbolic link issue was found in rpm.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Rpm | Rpm | before 4.18.0 |
| Fedoraproject | Fedora | Version 34 |
| Redhat | Enterprise Linux | Versions 7.0, 8.0, 9.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://access.redhat.com/security/cve/CVE-2021-35938
- https://bugzilla.redhat.com/show_bug.cgi?id=1964114
- https://bugzilla.suse.com/show_bug.cgi?id=1157880
- https://github.com/rpm-software-management/rpm/commit/25a435e90844ea98fe5eb7bef22c1aecf3a9c033
- https://github.com/rpm-software-management/rpm/pull/1919
- https://rpm.org/wiki/Releases/4.18.0
- https://security.gentoo.org/glsa/202210-22
- https://access.redhat.com/security/cve/CVE-2021-35938
- https://bugzilla.redhat.com/show_bug.cgi?id=1964114
- https://bugzilla.suse.com/show_bug.cgi?id=1157880
- https://github.com/rpm-software-management/rpm/commit/25a435e90844ea98fe5eb7bef22c1aecf3a9c033
- https://github.com/rpm-software-management/rpm/pull/1919
- https://rpm.org/wiki/Releases/4.18.0
- https://security.gentoo.org/glsa/202210-22