CVE-2016-4008

Published: 14 April 2016

The _asn1_extract_der_octet function in lib/decoding.c in GNU Libtasn1 before 4.8, when used without the ASN1_DECODE_FLAG_STRICT_DER flag, allows remote attackers to cause a denial of service (infinite recursion) via a crafted certificate.

Priority

Medium

CVSS 3 base score: 5.9

Status

Package Release Status
libtasn1-3
Launchpad, Ubuntu, Debian
Upstream Needed

Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

libtasn1-6
Launchpad, Ubuntu, Debian
Upstream
Released (4.8)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (4.7-3ubuntu0.16.04.1)
Ubuntu 14.04 ESM (Trusty Tahr)
Released (3.4-3ubuntu0.4)
Patches:
Upstream: http://git.savannah.gnu.org/gitweb/?p=libtasn1.git;a=commit;h=f435825c0f527a8e52e6ffbc3ad0bc60531d537e
Upstream: http://git.savannah.gnu.org/gitweb/?p=libtasn1.git;a=commit;h=a6e0a0b58f5cdaf4e9beca5bce69c09808cbb625