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 products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://secunia.com/advisories/43128 ↗
- http://osvdb.org/70696 ↗
- http://www.vupen.com/english/advisories/2011/0364 ↗
- http://www.securityfocus.com/bid/46065 ↗
- http://secunia.com/advisories/43243 ↗
- https://exchange.xforce.ibmcloud.com/vulnerabilities/65028 ↗
- http://lists.exim.org/lurker/message/20110126.034702.4d69c278.en.html ↗
- http://www.vupen.com/english/advisories/2011/0224 ↗
- http://www.debian.org/security/2011/dsa-2154 ↗
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00004.html ↗
- http://www.vupen.com/english/advisories/2011/0464 ↗
- http://secunia.com/advisories/43101 ↗
- http://www.vupen.com/english/advisories/2011/0245 ↗
- http://www.ubuntu.com/usn/USN-1060-1 ↗