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Vulnerability record · CVE-2011-1018 · published 25 February 2011

CVE-2011-1018: Logwatch improper input validation vulnerability

LLogwatch · Logwatch

logwatch.pl in Logwatch 7.3.6 allows remote attackers to execute arbitrary commands via shell metacharacters in a log file name, as demonstrated via a crafted username to a Samba server.

10.0 CVSS 2.0 High EPSS 18% · top 2.9% CWE-20 · Improper input validation
10.0CVSS 2.0 base score
18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
46References
16 Jun 2026Last modified by NVD

Description

logwatch.pl in Logwatch 7.3.6 allows remote attackers to execute arbitrary commands via shell metacharacters in a log file name, as demonstrated via a crafted username to a Samba server.

AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055579.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055585.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055617.html
http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
http://logwatch.svn.sourceforge.net/viewvc/logwatch/scripts/logwatch.pl?r1=3&r2=26&pathrev=26 Patch
http://secunia.com/advisories/43356
http://secunia.com/advisories/43495 Vendor Advisory
http://secunia.com/advisories/43622
http://secunia.com/advisories/43644
http://secunia.com/advisories/43734
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 Patch
http://www.debian.org/security/2011/dsa-2182
http://www.openwall.com/lists/oss-security/2011/02/24/13 Patch
http://www.openwall.com/lists/oss-security/2011/02/24/15 Patch
http://www.redhat.com/support/errata/RHSA-2011-0324.html
http://www.securityfocus.com/bid/46554
http://www.securitytracker.com/id?1025165
http://www.ubuntu.com/usn/USN-1078-1
http://www.vupen.com/english/advisories/2011/0533
http://www.vupen.com/english/advisories/2011/0581
http://www.vupen.com/english/advisories/2011/0596
https://bugzilla.redhat.com/show_bug.cgi?id=680237 Patch
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055579.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055585.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055617.html
http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
http://logwatch.svn.sourceforge.net/viewvc/logwatch/scripts/logwatch.pl?r1=3&r2=26&pathrev=26 Patch
http://secunia.com/advisories/43356
http://secunia.com/advisories/43495 Vendor Advisory
http://secunia.com/advisories/43622
http://secunia.com/advisories/43644
http://secunia.com/advisories/43734
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 Patch
http://www.debian.org/security/2011/dsa-2182
http://www.openwall.com/lists/oss-security/2011/02/24/13 Patch
http://www.openwall.com/lists/oss-security/2011/02/24/15 Patch
http://www.redhat.com/support/errata/RHSA-2011-0324.html
http://www.securityfocus.com/bid/46554

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2011-1018), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.