CVEs-PoC/2020/CVE-2020-25643.md

CVE-2020-25643

Description

A flaw was found in the HDLC_PPP module of the Linux kernel in versions before 5.9-rc7. Memory corruption and a read overflow is caused by improper input validation in the ppp_cp_parse_cr function which can cause the system to crash or cause a denial of service. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

POC

Reference

• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=66d42ed8b25b64eb63111a2b8582c5afc8bf1105

Github

• https://github.com/DNTYO/F5_Vulnerability
• https://github.com/Live-Hack-CVE/CVE-2020-25643