CVEs-PoC/2014/CVE-2014-9862.md

### [CVE-2014-9862](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-9862)
![](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 bspatch.c in bspatch in bsdiff, as used in Apple OS X before 10.11.6 and other products, allows remote attackers to execute arbitrary code or cause a denial of service (heap-based buffer overflow) via a crafted patch file.

### POC

#### Reference
- http://seclists.org/fulldisclosure/2020/Jul/8
- http://www.openwall.com/lists/oss-security/2020/07/09/2

#### Github
- https://github.com/VGtalion/bsdiff
- https://github.com/petervas/bsdifflib