CVE-2018-1000654

Name	CVE-2018-1000654
Description	GNU Libtasn1-4.13 libtasn1-4.13 version libtasn1-4.13, libtasn1-4.12 contains a DoS, specifically CPU usage will reach 100% when running asn1Paser against the POC due to an issue in _asn1_expand_object_id(p_tree), after a long time, the program will be killed. This attack appears to be exploitable via parsing a crafted file.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
Debian Bugs	906768

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
libtasn1-6 (PTS)	buster	4.13-3	vulnerable
	buster (security)	4.13-3+deb10u1	vulnerable
	bullseye	4.16.0-2+deb11u1	fixed
	bookworm, sid	4.19.0-2	fixed

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

Package	Type	Release	Fixed Version	Urgency	Debian Bugs
libtasn1-3	source	(unstable)	(unfixed)
libtasn1-6	source	experimental	4.14-1
libtasn1-6	source	(unstable)	4.14-2	unimportant	906768

https://gitlab.com/gnutls/libtasn1/issues/4
No security impact, does not affect libtasn, but only the asn1Parser from
libtasn1-bin