CVE-2021-3445 — Improper Verification of Cryptographic Signature in Libdnf
Severity
7.5HIGHNVD
EPSS
0.0%
top 88.68%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMay 19
Latest updateFeb 15
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.6 | Impact: 5.9
Affected Packages5 packages
Also affects: Fedora 33, 34, Enterprise Linux 8.0
🔴Vulnerability Details
2📋Vendor Advisories
5Microsoft▶
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 p↗2021-05-11
Red Hat
▶
Debian▶
CVE-2021-3445: libdnf - A flaw was found in libdnf's signature verification functionality in versions be...↗2021