CVE-2011-0017

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.

Category

6.9
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.12%
Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory vupen.com Vendor Advisory vupen.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/43128 third party advisory vendor advisory
http://osvdb.org/70696 vdb entry
ftp://ftp.exim.org/pub/exim/ChangeLogs/ChangeLog-4.74
http://www.vupen.com/english/advisories/2011/0364 vdb entry
http://www.securityfocus.com/bid/46065 vdb entry
http://secunia.com/advisories/43243 third party advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/65028 vdb entry
http://lists.exim.org/lurker/message/20110126.034702.4d69c278.en.html mailing list patch
http://www.vupen.com/english/advisories/2011/0224 vdb entry vendor advisory
http://www.debian.org/security/2011/dsa-2154 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00004.html vendor advisory
http://www.vupen.com/english/advisories/2011/0464 vdb entry
http://secunia.com/advisories/43101 third party advisory vendor advisory
http://www.vupen.com/english/advisories/2011/0245 vdb entry vendor advisory
http://www.ubuntu.com/usn/USN-1060-1 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2011-0017?
CVE-2011-0017 has been scored as a medium severity vulnerability.
How to fix CVE-2011-0017?
To fix CVE-2011-0017, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-0017 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2011-0017 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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