CVEs-PoC/2017/CVE-2017-5461.md

### [CVE-2017-5461](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5461)
![](https://img.shields.io/static/v1?label=Product&message=Firefox%20ESR&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Firefox&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Thunderbird&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%2045.9%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%2052.1%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%2053%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Out-of-bounds%20write%20in%20Base64%20encoding%20in%20NSS&color=brighgreen)

### Description

Mozilla Network Security Services (NSS) before 3.21.4, 3.22.x through 3.28.x before 3.28.4, 3.29.x before 3.29.5, and 3.30.x before 3.30.1 allows remote attackers to cause a denial of service (out-of-bounds write) or possibly have unspecified other impact by leveraging incorrect base64 operations.

### POC

#### Reference
- http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=1344380
- https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.21.4_release_notes
- https://www.oracle.com//security-alerts/cpujul2021.html

#### Github
- https://github.com/getupcloud/openshift-clair-controller