CVE-2017-10790

Name	CVE-2017-10790
Description	The _asn1_check_identifier function in GNU Libtasn1 through 4.12 causes a NULL pointer dereference and crash when reading crafted input that triggers assignment of a NULL value within an asn1_node structure. It may lead to a remote 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)
References	DLA-1038-1, DLA-2255-1, DSA-4106-1
Debian Bugs	867398

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
libtasn1-6 (PTS)	bookworm, bookworm (security)	4.19.0-2+deb12u1	fixed
	trixie	4.20.0-2+deb13u1	fixed
	forky, sid	4.21.0-2	fixed

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

Package	Type	Release	Fixed Version	Origin	Debian Bugs
libtasn1-3	source	wheezy	2.13-2+deb7u5	DLA-1038-1
libtasn1-3	source	(unstable)	(unfixed)
libtasn1-6	source	jessie	4.2-3+deb8u4	DLA-2255-1
libtasn1-6	source	stretch	4.10-1.1+deb9u1	DSA-4106-1
libtasn1-6	source	(unstable)	4.12-2.1		867398

https://bugzilla.redhat.com/show_bug.cgi?id=1464141
Fixed by: https://gitlab.com/gnutls/libtasn1/commit/d8d805e1f2e6799bb2dff4871a8598dc83088a39