CVEvulnerability

CVE-2011-0017

6.9 MEDIUM Published 2011-02-02 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2011-02-02
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
6.9 MEDIUM — AV:L/AC:M/Au:N/C:C/I:C/A:C
Weaknesses
CWE-20, CWE-59

Description

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.

Affected configurations

• exim exim (<= 4.72) • exim exim 2.10 • exim exim 2.11 • exim exim 2.12 • exim exim 3.00 • exim exim 3.01 • exim exim 3.02 • exim exim 3.03 • exim exim 3.10 • exim exim 3.11 • exim exim 3.12 • exim exim 3.13 • exim exim 3.14 • exim exim 3.15 • exim exim 3.16 • exim exim 3.20 • exim exim 3.21 • exim exim 3.22 • exim exim 3.30 • exim exim 3.31 • exim exim 3.32 • exim exim 3.33 • exim exim 3.34 • exim exim 3.35 • exim exim 3.36 • exim exim 4.00 • exim exim 4.01 • exim exim 4.02 • exim exim 4.03 • exim exim 4.04 • exim exim 4.05 • exim exim 4.10 • exim exim 4.11 • exim exim 4.12 • exim exim 4.14 • exim exim 4.20 • exim exim 4.21 • exim exim 4.22 • exim exim 4.23 • exim exim 4.24 • exim exim 4.30 • exim exim 4.31 • exim exim 4.32 • exim exim 4.33 • exim exim 4.34 • exim exim 4.40 • exim exim 4.41 • exim exim 4.42 • exim exim 4.43 • exim exim 4.44 • exim exim 4.50 • exim exim 4.51 • exim exim 4.52 • exim exim 4.53 • exim exim 4.54 • exim exim 4.60 • exim exim 4.61 • exim exim 4.62 • exim exim 4.63 • exim exim 4.64 … and 7 more

Related

Weakness · CWE (2)

  • CWE-20 Improper Input Validation weakness
  • CWE-59 Improper Link Resolution Before File Access weakness

References