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Gentoo Linux Security Advisory GLSA 200411-18 |
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http://security.gentoo.org/ |
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|
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Severity: Normal |
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Title: Apache 2.0: Denial of Service by memory consumption |
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Date: November 10, 2004 |
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Bugs: #70138 |
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ID: 200411-18 |
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|
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Synopsis |
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======== |
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|
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A flaw in Apache 2.0 could allow a remote attacker to cause a Denial of |
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Service. |
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|
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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. |
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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 < 2.0.52-r1 >= 2.0.52-r1 |
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< 2.0 |
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|
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Description |
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=========== |
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|
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Chintan Trivedi discovered a vulnerability in Apache httpd 2.0 that is |
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caused by improper enforcing of the field length limit in the |
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header-parsing code. |
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|
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Impact |
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====== |
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|
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By sending a large amount of specially-crafted HTTP GET requests a |
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remote attacker could cause a Denial of Service of the targeted system. |
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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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|
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Resolution |
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========== |
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All Apache 2.0 users should upgrade to the latest version: |
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|
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=net-www/apache-2.0.52-r1" |
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|
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References |
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========== |
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|
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[ 1 ] CAN-2004-0942 |
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http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0942 |
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[ 2 ] Security vulnerabilities in Apache httpd 2.0 |
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http://www.apacheweek.com/features/security-20 |
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|
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Availability |
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============ |
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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-200411-18.xml |
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|
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Concerns? |
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========= |
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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 2004 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 |