#VU54479 Improper Verification of Cryptographic Signature in rpm - CVE-2021-3421

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Main Vulnerability Database Vulnerabilities #VU54479

#VU54479 Improper Verification of Cryptographic Signature in rpm - CVE-2021-3421

Published: June 30, 2021


Vulnerability identifier: #VU54479
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-3421
CWE-ID: CWE-347
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
rpm
Software vendor:
rpm-software-management

Description

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to insufficient signature validation in the read functionality n the RPM package. A remote attacker can trick the victim into installing a seemingly verifiable package and cause RPM database corruption.


Remediation

Install updates from vendor's website.

External links