CVE-2011-1018: Input Validation
First published: Thu Feb 24 2011(Updated: )
A security flaw was found in the way logwatch, a log file analysis program, pre-processed log files, containing certain special characters in their names. A remote attacker could use this flaw to execute arbitrary code with the privileges of the privileged system user (root) by creating a specially-crafted log file, subsequently analyzed by the logwatch script. Upstream bug report: [1] <a href="http://sourceforge.net/tracker/?func=detail&aid=3184223&group_id=312875&atid=1316824">http://sourceforge.net/tracker/?func=detail&aid=3184223&group_id=312875&atid=1316824</a> Related patch: [2] <a href="http://logwatch.svn.sourceforge.net/viewvc/logwatch?view=revision&revision=26">http://logwatch.svn.sourceforge.net/viewvc/logwatch?view=revision&revision=26</a> Other references: [3] <a href="http://sourceforge.net/mailarchive/forum.php?thread_name=4D604843.7040303%40mblmail.net&forum_name=logwatch-devel">http://sourceforge.net/mailarchive/forum.php?thread_name=4D604843.7040303%40mblmail.net&forum_name=logwatch-devel</a>
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Swatch | =7.3.6 |
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Reference Links
- http://secunia.com/advisories/43495
- http://sourceforge.net/mailarchive/forum.php?thread_name=4D604843.7040303%40mblmail.net&forum_name=logwatch-devel
- http://sourceforge.net/tracker/?func=detail&aid=3184223&group_id=312875&atid=1316824
- https://bugzilla.redhat.com/show_bug.cgi?id=680237
- http://www.openwall.com/lists/oss-security/2011/02/24/15
- http://www.securityfocus.com/bid/46554
- http://logwatch.svn.sourceforge.net/viewvc/logwatch/scripts/logwatch.pl?r1=3&r2=26&pathrev=26
- http://www.openwall.com/lists/oss-security/2011/02/24/13
- http://www.vupen.com/english/advisories/2011/0581
- http://secunia.com/advisories/43622
- http://secunia.com/advisories/43356
- http://www.vupen.com/english/advisories/2011/0596
- http://www.redhat.com/support/errata/RHSA-2011-0324.html
- http://www.securitytracker.com/id?1025165
- http://secunia.com/advisories/43644
- http://www.debian.org/security/2011/dsa-2182
- http://www.vupen.com/english/advisories/2011/0533
- http://www.ubuntu.com/usn/USN-1078-1
- http://secunia.com/advisories/43734
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055585.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055617.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055579.html
- http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
- http://logwatch.svn.sourceforge.net/viewvc/logwatch?view=revision&revision=26
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=680253
- https://rhn.redhat.com/errata/RHSA-2011-0324.html
Frequently Asked Questions
What is the severity of CVE-2011-1018?
CVE-2011-1018 has been classified as a critical vulnerability due to its potential to allow remote code execution with root privileges.
How do I fix CVE-2011-1018?
To fix CVE-2011-1018, upgrade Logwatch to version 7.4 or later, where the vulnerability has been patched.
What software versions are affected by CVE-2011-1018?
CVE-2011-1018 specifically affects Logwatch version 7.3.6.
Can CVE-2011-1018 be exploited remotely?
Yes, CVE-2011-1018 can be exploited remotely by an attacker who creates specially crafted log file names.
What are the potential consequences of CVE-2011-1018?
The potential consequences of CVE-2011-1018 include arbitrary code execution on the affected system, which could lead to full system compromise.
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