Insufficient Verification of Data Authenticity Affecting rpm-build-libs package, versions <0:4.14.3-14.el8_4


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.23% (62nd percentile)

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  • Snyk IDSNYK-CENTOS8-RPMBUILDLIBS-2112252
  • published26 Jul 2021
  • disclosed11 Mar 2021

Introduced: 11 Mar 2021

CVE-2021-20271  (opens in a new tab)
CWE-345  (opens in a new tab)

How to fix?

Upgrade Centos:8 rpm-build-libs to version 0:4.14.3-14.el8_4 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 flaw was found in RPM's signature check functionality when reading a package file. This flaw allows an attacker who can convince a victim to install a seemingly verifiable package, whose signature header was modified, to cause RPM database corruption and execute code. The highest threat from this vulnerability is to data integrity, confidentiality, and system availability.

CVSS Scores

version 3.1