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-1969219
  • published26 Jul 2021
  • disclosed30 Jun 2021

Introduced: 30 Jun 2021

CVE-2021-35939  (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.

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.

CVSS Scores

version 3.1