CVE-2024-37370

Name	CVE-2024-37370
Description	In MIT Kerberos 5 (aka krb5) before 1.21.3, an attacker can modify the plaintext Extra Count field of a confidential GSS krb5 wrap token, causing the unwrapped token to appear truncated to the application.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-5726-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
krb5 (PTS)	bullseye (security), bullseye	1.18.3-6+deb11u5	fixed
	bookworm, bookworm (security)	1.20.1-2+deb12u2	fixed
	sid, trixie	1.21.3-3	fixed

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

Package	Type	Release	Fixed Version	Origin
krb5	source	bullseye	1.18.3-6+deb11u5	DSA-5726-1
krb5	source	bookworm	1.20.1-2+deb12u2	DSA-5726-1
krb5	source	(unstable)	1.21.3-1

https://github.com/krb5/krb5/commit/55fbf435edbe2e92dd8101669b1ce7144bc96fef (krb5-1.21.3-final)