CVE-2021-3445

Common vulnerabilities & exposures (CVE)

CVE database CVE database blogpost Release & EoL database

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

Last modified: - 24-02-2022 08:28

Total changes: - 3

Description

A flaw was found in libdnf's signature verification functionality in versions before 0.60.1. This flaw allows an attacker to achieve code execution if they can alter the header information of an RPM package and then trick a user or system into installing it. The highest risk of this vulnerability is to confidentiality, integrity, as well as system availability.

Common Vulnerability Scoring System (CVSS)

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

High

Attack complexity

Network

Attack vector

High

Availability

High

Confidentiality

High

Integrity

None

Privileges required

Unchanged

Scope

Required

User interaction

7.5

Base score

1.6

5.9

Exploitability score

Impact score

Verification logic

vendor=rpm AND product=libdnf AND versionEndExcluding=0.60.1

vendor=fedoraproject AND product=fedora AND version=33

vendor=fedoraproject AND product=fedora AND version=34

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

Reference

FEDORA-2021-eadfc56b95-Mailing List, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1932079
FEDORA-2021-c6802f0b69-Mailing List, Third Party Advisory

Keywords

CVE-2021-3445

Common vulnerabilities & exposures (CVE)

Description

Common Vulnerability Scoring System (CVSS)

Verification logic

Reference

NVD

CVE-2021-3445

CVE

Common vulnerabilities & exposures

CVSS

Common vulnerability scoring system

Security

Vulnerabilities

Exposures