cve/2017/CVE-2017-5503.md

### [CVE-2017-5503](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5503)
![](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 dec_clnpass function in libjasper/jpc/jpc_t1dec.c in JasPer 1.900.27 allows remote attackers to cause a denial of service (invalid memory write and crash) or possibly have unspecified other impact via a crafted image.

### POC

#### Reference
- http://www.openwall.com/lists/oss-security/2017/01/16/3
- https://blogs.gentoo.org/ago/2017/01/16/jasper-invalid-memory-write-in-dec_clnpass-jpc_t1dec-c/

#### Github
- https://github.com/mrash/afl-cve