CVE-2021-20271

Published: 26 March 2021

A flaw was found in RPM's signature check functionality when reading a package file. This flaw allows an attacker who can convince a victim to install a seemingly verifiable package, whose signature header was modified, to cause RPM database corruption and execute code. The highest threat from this vulnerability is to data integrity, confidentiality, and system availability.

Priority

Low

CVSS 3 base score: 7.0

Status

Package Release Status
rpm
Launchpad, Ubuntu, Debian
Upstream Needed

Ubuntu 21.04 (Hirsute Hippo) Needed

Ubuntu 20.10 (Groovy Gorilla) Needed

Ubuntu 20.04 LTS (Focal Fossa) Needed

Ubuntu 18.04 LTS (Bionic Beaver) Needed

Ubuntu 16.04 ESM (Xenial Xerus) Ignored
(end of standard support, was needed)
Ubuntu 14.04 ESM (Trusty Tahr) Needed

Binaries built from this source package are in Universe and so are supported by the community.

Notes

AuthorNote
seth-arnold
Only debugedit and librpmio9 binary packages are in main, and
triaged with view to how they are used in the build process as described in
https://bugs.launchpad.net/ubuntu/+source/rpm/+bug/1913871

References

Bugs