CVE-2021-35939

medium

Description

It was found that the fix for CVE-2017-7500 and CVE-2017-7501 was incomplete: the check was only implemented for the parent directory of the file to be created. A local unprivileged user who owns another ancestor directory could potentially use this flaw to gain root privileges. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

References

https://access.redhat.com/security/cve/CVE-2021-35939

https://bugzilla.redhat.com/show_bug.cgi?id=1964129

https://github.com/rpm-software-management/rpm/commit/96ec957e281220f8e137a2d5eb23b83a6377d556

https://github.com/rpm-software-management/rpm/pull/1919

https://security.gentoo.org/glsa/202210-22

Details

Source: Mitre, NVD

Published: 2022-08-26

CVSS v3

Base Score: 6.7

Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Severity: Medium