CVEs-PoC/2012/CVE-2012-0876.md

### [CVE-2012-0876](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-0876)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brightgreen)

### Description

The XML parser (xmlparse.c) in expat before 2.1.0 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via an XML file with many identifiers with the same value.

### POC

#### Reference
- http://bugs.python.org/issue13703#msg151870
- http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
- http://www.ubuntu.com/usn/USN-1527-1
- http://www.ubuntu.com/usn/USN-1613-2
- https://kc.mcafee.com/corporate/index?page=content&id=SB10365
- https://www.tenable.com/security/tns-2016-20

#### Github
No PoCs found on GitHub currently.