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Gentoo Linux Security Advisory GLSA 200608-01 |
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http://security.gentoo.org/ |
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Severity: High |
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Title: Apache: Off-by-one flaw in mod_rewrite |
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Date: August 01, 2006 |
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Bugs: #141986 |
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ID: 200608-01 |
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Synopsis |
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======== |
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|
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A flaw in mod_rewrite could result in a Denial of Service or the |
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execution of arbitrary code. |
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Background |
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========== |
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|
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The Apache HTTP server is one of the most popular web servers on the |
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Internet. The Apache module mod_rewrite provides a rule-based engine to |
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rewrite requested URLs on the fly. |
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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/apache < 2.0.58-r2 *>= 1.3.34-r14 |
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*>= 1.3.37 |
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>= 2.0.58-r2 |
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|
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Description |
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=========== |
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|
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An off-by-one flaw has been found in Apache's mod_rewrite module by |
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Mark Dowd of McAfee Avert Labs. This flaw is exploitable depending on |
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the types of rewrite rules being used. |
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|
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Impact |
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====== |
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|
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A remote attacker could exploit the flaw to cause a Denial of Service |
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or execution of arbitrary code. Note that Gentoo Linux is not |
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vulnerable in the default configuration. |
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|
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Workaround |
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========== |
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There is no known workaround at this time. |
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Resolution |
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========== |
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All Apache users should upgrade to the latest version: |
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# emerge --sync |
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# emerge --ask --oneshot --verbose net-www/apache |
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|
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References |
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========== |
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[ 1 ] CVE-2006-3747 |
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http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3747 |
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[ 2 ] Apache HTTP Server 2.0 Announcement |
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http://www.apache.org/dist/httpd/Announcement2.0.html |
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[ 3 ] Apache HTTP Server 1.3 Announcement |
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http://www.apache.org/dist/httpd/Announcement1.3.html |
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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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http://security.gentoo.org/glsa/glsa-200608-01.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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Copyright 2006 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/2.5 |
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