cve/2016/CVE-2016-4008.md

CVE-2016-4008

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.

POC

Reference

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

Github

• https://github.com/mrash/afl-cve