CVE-2016-4008

MEDIUM

GNU Libtasn1 <4.8 - DoS

Title source: llm
STIX 2.1

Description

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.

References (13)

Core 13
Core References
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201703-05
Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182299.html
Vendor Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2957-2
Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182907.html
Mailing List vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2016-06/msg00047.html
Various Sources mailing-list x_refsource_mlist
https://lists.gnu.org/archive/html/help-libtasn1/2016-04/msg00009.html
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2016/dsa-3568
Mailing List vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2016-06/msg00097.html
Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183221.html
Vendor Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2957-1
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/04/11/3

Scores

CVSS v3 5.9
EPSS 0.0429
EPSS Percentile 89.0%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-399
Status published
Products (9)
canonical/ubuntu_linux 12.04
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 15.10
canonical/ubuntu_linux 16.04
fedoraproject/fedora 22
fedoraproject/fedora 23
fedoraproject/fedora 24
gnu/libtasn1 < 4.7
opensuse/opensuse 13.2
Published May 05, 2016
Tracked Since Feb 18, 2026