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CVE-2021-35939

Published: Aug 26, 2022

Modified: Aug 4, 2024

PUBLISHED

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.

Vendor	Product	Versions
n/a	RPM	affected `Fixed in RPM-v4.18`

Weaknesses (CWE)

References

https://rpm.org/wiki/Releases/4.18.0

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

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

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

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

vendor-advisory

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CVE-2021-35939 - Security Vulnerability | QwikSec