CVE-2021-35938 — Link Following in RPM
Severity
6.7MEDIUMNVD
EPSS
0.1%
top 64.57%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedAug 25
Latest updateAug 26
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HExploitability: 0.8 | Impact: 5.9
Patches
🔴Vulnerability Details
3📋Vendor Advisories
3Microsoft▶
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 ↗2022-08-09
Debian▶
CVE-2021-35938: rpm - A symbolic link issue was found in rpm. It occurs when rpm sets the desired perm...↗2021