cve/2023/CVE-2023-51939.md

### [CVE-2023-51939](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-51939)
![](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

An issue in the cp_bbs_sig function in relic/src/cp/relic_cp_bbs.c of Relic relic-toolkit 0.6.0 allows a remote attacker to obtain sensitive information and escalate privileges via the cp_bbs_sig function.

### POC

#### Reference
- https://github.com/liang-junkai/Relic-bbs-fault-injection
- https://github.com/relic-toolkit/relic/issues/284

#### Github
- https://github.com/liang-junkai/Relic-bbs-fault-injection