cve/2008/CVE-2008-1721.md

### [CVE-2008-1721](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1721)
![](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

Integer signedness error in the zlib extension module in Python 2.5.2 and earlier allows remote attackers to execute arbitrary code via a negative signed integer, which triggers insufficient memory allocation and a buffer overflow.

### POC

#### Reference
- http://securityreason.com/securityalert/3802
- http://www.vmware.com/security/advisories/VMSA-2009-0016.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9407

#### Github
- https://github.com/mudongliang/LinuxFlaw
- https://github.com/oneoy/cve-