CVE-2020-13132

Name	CVE-2020-13132
Description	An issue was discovered in Yubico libykpiv before 2.1.0. An attacker can trigger an incorrect free() in the ykpiv_util_generate_key() function in lib/util.c through incorrect error handling code. This could be used to cause a denial of service attack.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	972644

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
yubico-piv-tool (PTS)	bullseye	2.2.0-1	fixed
	bookworm	2.2.0-1.1	fixed
	trixie	2.7.1-1	fixed
	forky, sid	2.7.2-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
yubico-piv-tool	source	stretch	(not affected)
yubico-piv-tool	source	(unstable)	2.1.1-1			972644

Notes

[stretch] - yubico-piv-tool <not-affected> (Vulnerable code not present)
https://www.yubico.com/support/security-advisories/ysa-2020-02/
https://blog.inhq.net/posts/yubico-libykpiv-vuln/