CVE-2021-3421 Other in rpm

Medium 5.5 Published Updated

An attacker can corrupt the RPM database by providing a malicious package, compromising data integrity in Linux systems using RPM.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2021-3421?

CVE-2021-3421 is a medium-severity vulnerability in Fedoraproject Fedora, published on 19 May 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-347

Which versions are affected by CVE-2021-3421?

It affects 3 products.

Products include Fedoraproject Fedora, Redhat Enterprise Linux, Rpm Rpm.

How do I fix CVE-2021-3421?

Upgrade to a fixed version.

Is CVE-2021-3421 being exploited?

There is no known exploitation of CVE-2021-3421 in the wild and no public exploit code.

All Fedoraproject Fedora vulnerabilities

Sources

Also known as DEBIAN-CVE-2021-3421, GHSA-f7ww-c7v4-g682, UBUNTU-CVE-2021-3421.

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