vulnerability
CentOS Linux: CVE-2021-3445: Moderate: dnf security and bug fix update (CESA-2021:4464)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:H/Au:N/C:P/I:P/A:P) | May 19, 2021 | Nov 10, 2021 | May 25, 2023 |
Severity
5
CVSS
(AV:N/AC:H/Au:N/C:P/I:P/A:P)
Published
May 19, 2021
Added
Nov 10, 2021
Modified
May 25, 2023
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.
Solutions
centos-upgrade-dnfcentos-upgrade-dnf-automaticcentos-upgrade-dnf-datacentos-upgrade-dnf-plugins-corecentos-upgrade-libdnfcentos-upgrade-libdnf-debuginfocentos-upgrade-libdnf-debugsourcecentos-upgrade-python3-dnfcentos-upgrade-python3-dnf-plugin-post-transaction-actionscentos-upgrade-python3-dnf-plugin-versionlockcentos-upgrade-python3-dnf-plugins-corecentos-upgrade-python3-hawkeycentos-upgrade-python3-hawkey-debuginfocentos-upgrade-python3-libdnfcentos-upgrade-python3-libdnf-debuginfocentos-upgrade-yumcentos-upgrade-yum-utils
References
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.