National Cyber Awareness System
Vulnerability Summary for CVE-2009-1891
Original release date:07/10/2009
Last revised:09/07/2011
Source:
US-CERT/NIST
Overview
The mod_deflate module in Apache httpd 2.2.11 and earlier compresses large files until completion even after the associated network connection is closed, which allows remote attackers to cause a denial of service (CPU consumption).
Impact
CVSS Severity (version 2.0):
Impact Subscore:
6.9
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type:Allows disruption of serviceUnknown
References to Advisories, Solutions, and Tools
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External Source: REDHAT
Name: RHSA-2009:1148
Type: Patch Information
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=509125
Type: Patch Information
External Source: MANDRIVA
Name: MDVSA-2009:149
Type: Patch Information
External Source: FEDORA
Name: FEDORA-2009-8812
External Source: VUPEN
Name: ADV-2009-3184
Type: Advisory
External Source: VUPEN
Name: ADV-2009-1841
Type: Advisory
External Source: UBUNTU
Name: USN-802-1
External Source: SECTRACK
Name: 1022529
External Source: BUGTRAQ
Name: 20091113 rPSA-2009-0142-2 httpd mod_ssl
External Source: REDHAT
Name: RHSA-2009:1156
External Source: DEBIAN
Name: DSA-1834
External Source: AIXAPAR
Name: PK99480
External Source: AIXAPAR
Name: PK91361
External Source: CONFIRM
Name: http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0142
External Source: CONFIRM
Name: http://wiki.rpath.com/Advisories:rPSA-2009-0142
External Source: CONFIRM
Name: http://support.apple.com/kb/HT3937
External Source: GENTOO
Name: GLSA-200907-04
External Source: SECUNIA
Name: 37221
Type: Advisory
External Source: SECUNIA
Name: 37152
Type: Advisory
External Source: SECUNIA
Name: 35865
Type: Advisory
External Source: SECUNIA
Name: 35793
Type: Advisory
External Source: SECUNIA
Name: 35781
Type: Advisory
External Source: SECUNIA
Name: 35721
Type: Advisory
External Source: OVAL
Name: oval:org.mitre.oval:def:9248
External Source: OVAL
Name: oval:org.mitre.oval:def:8632
External Source: OVAL
Name: oval:org.mitre.oval:def:12361
External Source: OSVDB
Name: 55782
External Source: HP
Name: SSRT090208
External Source: HP
Name: HPSBOV02683
External Source: HP
Name: HPSBUX02612
External Source: HP
Name: HPSBUX02612
External Source: MLIST
Name: [apache-httpd-dev] 20090703 Re: mod_deflate DoS
External Source: MLIST
Name: [apache-httpd-dev] 20090628 mod_deflate DoS
External Source: SUSE
Name: SUSE-SA:2009:050
External Source: APPLE
Name: APPLE-SA-2009-11-09-1
External Source: MISC
Name: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=534712
References to Check Content
Identifier:oval:org.mitre.oval:def:9248
Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5
Identifier:oval:org.mitre.oval:def:8632
Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5
Identifier:oval:org.mitre.oval:def:12361
Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5
Technical Details
- Resource Management Errors (CWE-399)