CVE-2021-35938
Publication date 25 August 2022
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
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.
Status
Package | Ubuntu Release | Status |
---|---|---|
rpm | 24.04 LTS noble |
Needs evaluation
|
22.04 LTS jammy |
Needs evaluation
|
|
20.04 LTS focal |
Needs evaluation
|
|
18.04 LTS bionic |
Needs evaluation
|
|
16.04 LTS xenial |
Needs evaluation
|
|
14.04 LTS trusty |
Needs evaluation
|
Notes
seth-arnold
Only debugedit and librpmio9 binary packages are in main, and triaged with view to how they are used in the build process as described in https://bugs.launchpad.net/ubuntu/+source/rpm/+bug/1913871
Severity score breakdown
Parameter | Value |
---|---|
Base score | 6.7 · Medium |
Attack vector | Local |
Attack complexity | Low |
Privileges required | High |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |