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Last updated: 5/27/2016 5:36:08 AM

CVE Publication rate: 21.13

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National Cyber Awareness System

Vulnerability Summary for CVE-2007-3847

Original release date: 08/23/2007
Last revised: 07/17/2013


The date handling code in modules/proxy/proxy_util.c (mod_proxy) in Apache 2.3.0, when using a threaded MPM, allows remote origin servers to cause a denial of service (caching forward proxy process crash) via crafted date headers that trigger a buffer over-read.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.0 MEDIUM
Impact Subscore: 2.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Apache (07/02/2008)
Fixed in Apache HTTP Server 2.2.6 and 2.0.61: http://httpd.apache.org/security/vulnerabilities_22.html http://httpd.apache.org/security/vulnerabilities_20.html

References to Advisories, Solutions, and Tools

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External Source: CONFIRM
Name: http://httpd.apache.org/security/vulnerabilities_20.html
External Source: VUPEN
Name: ADV-2007-3494
External Source: VUPEN
Name: ADV-2008-1697
US-CERT Vulnerability Note: CERT
Name: TA08-150A
External Source: VUPEN
Name: ADV-2007-3955
External Source: APPLE
Name: APPLE-SA-2008-05-28
External Source: CONFIRM
Name: http://www-1.ibm.com/support/docview.wss?rs=180&uid=swg27007951
External Source: GENTOO
Name: GLSA-200711-06
External Source: MLIST
Name: [apache-httpd-dev] 20070801 Re: svn commit: r561616 - in /httpd/httpd/trunk: CHANGES modules/proxy/proxy_util.c
External Source: BUGTRAQ
Name: 20090821 VMSA-2009-0010 VMware Hosted products update libpng and Apache HTTP Server
External Source: MANDRIVA
Name: MDKSA-2007:235
External Source: CONFIRM
Name: http://httpd.apache.org/security/vulnerabilities_22.html
External Source: REDHAT
Name: RHSA-2007:0746
External Source: CONFIRM
Name: http://www.fujitsu.com/global/support/software/security/products-f/interstage-200802e.html
External Source: SLACKWARE
Name: SSA:2008-045-02
External Source: CONFIRM
Name: http://docs.info.apple.com/article.html?artnum=307562
External Source: FEDORA
Name: FEDORA-2007-2214
External Source: AIXAPAR
Name: PK50469
External Source: UBUNTU
Name: USN-575-1
External Source: REDHAT
Name: RHSA-2007:0911
External Source: MLIST
Name: [apache-httpd-dev] 20070801 Re: svn commit: r561616 - in /httpd/httpd/trunk: CHANGES modules/proxy/proxy_util.c
External Source: VUPEN
Name: ADV-2007-3283
External Source: CONFIRM
Name: http://www.oracle.com/technetwork/topics/security/cpujuly2013-1899826.html
External Source: REDHAT
Name: RHSA-2007:0747
External Source: FEDORA
Name: FEDORA-2007-707
External Source: CONFIRM
Name: http://support.avaya.com/elmodocs2/security/ASA-2007-500.htm
External Source: OVAL
Name: oval:org.mitre.oval:def:10525
External Source: SUSE
Name: SUSE-SA:2007:061
External Source: CONFIRM
Name: https://issues.rpath.com/browse/RPL-1710
External Source: SECTRACK
Name: 1018633
External Source: BID
Name: 25489
External Source: APPLE
Name: APPLE-SA-2008-03-18
External Source: CONFIRM
Name: http://bugs.gentoo.org/show_bug.cgi?id=186219
External Source: MLIST
Name: [apache-cvs] 20070801 svn commit: r561616 - in /httpd/httpd/trunk: CHANGES
External Source: VUPEN
Name: ADV-2008-0233
External Source: REDHAT
Name: RHSA-2008:0005
External Source: VUPEN
Name: ADV-2007-3020
External Source: AIXAPAR
Name: PK52702
External Source: MLIST
Name: [security-announce] 20090820 VMSA-2009-0010 VMware Hosted products update libpng and Apache HTTP Server
External Source: VUPEN
Name: ADV-2008-0924
External Source: VUPEN
Name: ADV-2007-3095
External Source: HP
Name: SSRT071476

References to Check Content

Identifier: oval:org.mitre.oval:def:10525
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

Vulnerable software and versions

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