CVE-2021-3421

Common vulnerabilities & exposures (CVE)

CVE database CVE database blogpost Release & EoL database

Published at: - 19-05-2021 04:15

Last modified: - 03-06-2022 08:53

Total changes: - 5

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.

Common Vulnerability Scoring System (CVSS)

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

Low

Attack complexity

Local

Attack vector

None

Availability

None

Confidentiality

High

Integrity

None

Privileges required

Unchanged

Scope

Required

User interaction

5.5

Base score

1.8

3.6

Exploitability score

Impact score

Verification logic

vendor=rpm AND product=rpm AND versionEndExcluding=4.16.1.3

vendor=Red Hat Enterprise Linux AND product=enterprise_linux AND version=8.0

vendor=fedoraproject AND product=fedora AND version=32

vendor=fedoraproject AND product=fedora AND version=33

vendor=fedoraproject AND product=fedora AND version=34

Reference

https://bugzilla.redhat.com/show_bug.cgi?id=1927747
FEDORA-2021-2383d950fd-Mailing List, Third Party Advisory
FEDORA-2021-662680e477-Mailing List, Third Party Advisory
FEDORA-2021-8d52a8a999-Mailing List, Third Party Advisory
GLSA-202107-43-Third Party Advisory

Keywords

CVE-2021-3421

Common vulnerabilities & exposures (CVE)

Description

Common Vulnerability Scoring System (CVSS)

Verification logic

Reference

NVD

CVE-2021-3421

CVE

Common vulnerabilities & exposures

CVSS

Common vulnerability scoring system

Security

Vulnerabilities

Exposures