### [CVE-2016-9843](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9843)
![](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 crc32_big function in crc32.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving big-endian CRC calculation.

### POC

#### Reference
- http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
- https://github.com/madler/zlib/commit/d1d577490c15a0c6862473d7576352a9f18ef811
- https://www.oracle.com/security-alerts/cpujul2020.html

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/Lingom-KSR/Clair-CLI
- https://github.com/andrewbearsley/lw_container_scanner_demo
- https://github.com/anthonygrees/lw_container_scanner_demo
- https://github.com/arminc/clair-scanner
- https://github.com/mightysai1997/clair-scanner
- https://github.com/pruthv1k/clair-scan
- https://github.com/pruthvik9/clair-scan
- https://github.com/singularityhub/stools