CVEs-PoC/2020/CVE-2020-28026.md

CVE-2020-28026

Description

Exim 4 before 4.94.2 has Improper Neutralization of Line Delimiters, relevant in non-default configurations that enable Delivery Status Notification (DSN). Certain uses of ORCPT= can place a newline into a spool header file, and indirectly allow unauthenticated remote attackers to execute arbitrary commands as root.

POC

Reference

• https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28026-FGETS.txt

Github

• https://github.com/ARPSyndicate/cvemon