cve/2017/CVE-2017-5899.md

CVE-2017-5899

Description

Directory traversal vulnerability in the setuid root helper binary in S-nail (later S-mailx) before 14.8.16 allows local users to write to arbitrary files and consequently gain root privileges via a .. (dot dot) in the randstr argument.

POC

Reference

• http://www.openwall.com/lists/oss-security/2017/01/27/7

Github

• https://github.com/ARPSyndicate/cvemon
• https://github.com/bcoles/local-exploits