CVE-2021-3421

MEDIUM

rpm < 4.17.0-alpha - RPM Database Corruption via Package Signature Verification Bypass

Title source: llm

Description

A flaw was found in the RPM package in the read functionality. This flaw allows an attacker who can convince a victim to install a seemingly verifiable package or compromise an RPM repository, to cause RPM database corruption. The highest threat from this vulnerability is to data integrity. This flaw affects RPM versions before 4.17.0-alpha.

References (5)

Core 5

Core References

Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VHRPNBCRPDJHHQE3MBPSZK4H7X2IM7AC/

Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TMGXO3W6DHPO62GJ4VVF5DEUX5DRUR5K/

Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YILPBTPSBRYL4POBI3F4YUSVPSOQNJBY/

Issue Tracking, Patch, Third Party Advisory x_refsource_misc

https://bugzilla.redhat.com/show_bug.cgi?id=1927747

Third Party Advisory vendor-advisory x_refsource_gentoo

https://security.gentoo.org/glsa/202107-43

Scores

CVSS v3 5.5

EPSS 0.0018

EPSS Percentile 38.7%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Details

CWE

CWE-347

Status published

Products (5)

fedoraproject/fedora 32

fedoraproject/fedora 33

fedoraproject/fedora 34

redhat/enterprise_linux 8.0

rpm/rpm < 4.16.1.3

Published May 19, 2021

Tracked Since Feb 18, 2026