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.
Advisories
Source ID Title
Debian DSA Debian DSA DSA-2154-1 exim4 security update
Debian DSA Debian DSA DSA-2154-2 exim4 regression fix
EUVD EUVD EUVD-2011-0043 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.
Ubuntu USN Ubuntu USN USN-1060-1 Exim vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Sun, 13 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00118}

epss

{'score': 0.00121}


cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-06T21:36:02.265Z

Reserved: 2010-12-07T00:00:00

Link: CVE-2011-0017

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2011-02-02T01:00:06.203

Modified: 2025-04-11T00:51:21.963

Link: CVE-2011-0017

cve-icon Redhat

Severity : Low

Publid Date: 2011-01-25T00:00:00Z

Links: CVE-2011-0017 - Bugzilla

cve-icon OpenCVE Enrichment

No data.