Improper input validation in Exim

CVE-2011-0017

The open_log function in log.c in Exim 4.72 and earlier does not check the return value from (1) setuid or (2) setgid system calls, which allows local users to append log data to arbitrary files via a symlink attack.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.004 (30.5th percentile) — read the EPSS interpretation.

Affected products

  • Exim — versions 2.10, 2.11, 2.12
  • N/a — versions n/a

Weakness classification (CWE)

References