CVE-2016-4008

· N/AModified

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CVSS v3.1

N/A

EPSS

25.88%

Published

May 5, 2016

Modified

May 6, 2026

Public PoC / Exploit (1)

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Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

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.

Weaknesses (CWE)

CWE-399

Affected Products (9)

canonical · ubuntu_linuxvulnerable

opensuse · opensusevulnerable

gnu · libtasn1vulnerable

fedoraproject · fedoravulnerable

References (20)

http://git.savannah.gnu.org/gitweb/?p=libtasn1.git%3Ba=commit%3Bh=a6e0a0b58f5cdaf4e9beca5bce69c09808cbb625

http://git.savannah.gnu.org/gitweb/?p=libtasn1.git%3Ba=commit%3Bh=f435825c0f527a8e52e6ffbc3ad0bc60531d537e

http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182299.html

http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182907.html

http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183221.html

http://lists.opensuse.org/opensuse-updates/2016-06/msg00047.html

http://lists.opensuse.org/opensuse-updates/2016-06/msg00097.html

http://www.debian.org/security/2016/dsa-3568

http://www.openwall.com/lists/oss-security/2016/04/11/3

http://www.ubuntu.com/usn/USN-2957-1

http://www.ubuntu.com/usn/USN-2957-2

https://lists.gnu.org/archive/html/help-libtasn1/2016-04/msg00009.html

https://security.gentoo.org/glsa/201703-05