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Gentoo Linux Security Advisory GLSA 200508-07 |
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http://security.gentoo.org/ |
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Severity: High |
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Title: AWStats: Arbitrary code execution using malicious Referrer |
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information |
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Date: August 16, 2005 |
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Bugs: #102145 |
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ID: 200508-07 |
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Synopsis |
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======== |
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|
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AWStats fails to validate certain log input, which could lead to the |
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execution of arbitrary Perl code during the generation of the |
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statistics. |
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|
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Background |
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========== |
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|
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AWStats is an advanced log file analyzer and statistics generator. In |
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HTTP reports it parses Referrer information in order to display the |
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most common Referrer values that caused users to visit the website. |
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|
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Affected packages |
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================= |
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|
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------------------------------------------------------------------- |
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Package / Vulnerable / Unaffected |
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------------------------------------------------------------------- |
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1 net-www/awstats < 6.5 >= 6.5 |
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|
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Description |
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=========== |
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|
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When using a URLPlugin, AWStats fails to sanitize Referrer URL data |
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before using them in a Perl eval() routine. |
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|
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Impact |
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====== |
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|
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A remote attacker can include arbitrary Referrer information in a HTTP |
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request to a web server, therefore injecting tainted data in the log |
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files. When AWStats is run on this log file, this can result in the |
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execution of arbitrary Perl code with the rights of the user running |
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AWStats. |
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|
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Workaround |
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========== |
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|
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Disable all URLPlugins in the AWStats configuration. |
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Resolution |
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========== |
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All AWStats users should upgrade to the latest version: |
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=net-www/awstats-6.5" |
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Note: Users with the vhosts USE flag set should manually use |
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webapp-config to finalize the update. |
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|
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References |
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========== |
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[ 1 ] CAN-2005-1527 |
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http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1527 |
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[ 2 ] iDEFENSE Advisory |
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http://www.idefense.com/application/poi/display?id=290&type=vulnerabilities |
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|
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Availability |
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============ |
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This GLSA and any updates to it are available for viewing at |
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the Gentoo Security Website: |
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|
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http://security.gentoo.org/glsa/glsa-200508-07.xml |
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Concerns? |
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========= |
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Security is a primary focus of Gentoo Linux and ensuring the |
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confidentiality and security of our users machines is of utmost |
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importance to us. Any security concerns should be addressed to |
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security@g.o or alternatively, you may file a bug at |
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http://bugs.gentoo.org. |
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|
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License |
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======= |
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|
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Copyright 2005 Gentoo Foundation, Inc; referenced text |
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belongs to its owner(s). |
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|
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The contents of this document are licensed under the |
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Creative Commons - Attribution / Share Alike license. |
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|
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http://creativecommons.org/licenses/by-sa/2.0 |
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