Link Following Affecting rpm-build-libs package, versions <0:4.14.3-28.el8_9


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.1% (42nd percentile)

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  • Snyk IDSNYK-CENTOS8-RPMBUILDLIBS-1968612
  • published26 Jul 2021
  • disclosed30 Jun 2021

Introduced: 30 Jun 2021

CVE-2021-35938  (opens in a new tab)
CWE-59  (opens in a new tab)

How to fix?

Upgrade Centos:8 rpm-build-libs to version 0:4.14.3-28.el8_9 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rpm-build-libs package and not the rpm-build-libs package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

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 Scores

version 3.1