### [CVE-2016-4008](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4008)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### 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