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Last updated: Tue Aug 25 10:30:06 EDT 2009

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National Cyber-Alert System

Vulnerability Summary for CVE-2008-0456

Original release date:01/25/2008
Last revised:05/16/2009
Source: US-CERT/NIST

Overview

CRLF injection vulnerability in the mod_negotiation module in the Apache HTTP Server 2.2.6 and earlier in the 2.2.x series, 2.0.61 and earlier in the 2.0.x series, and 1.3.39 and earlier in the 1.3.x series allows remote authenticated users to inject arbitrary HTTP headers and conduct HTTP response splitting attacks by uploading a file with a multi-line name containing HTTP header sequences and a file extension, which leads to injection within a (1) "406 Not Acceptable" or (2) "300 Multiple Choices" HTTP response when the extension is omitted in a request for the file.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:3.5 (LOW) (AV:N/AC:M/Au:S/C:N/I:P/A:N) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 6.8
CVSS Version 2 Metrics:
Access Vector: Network exploitable; Victim must voluntarily interact with attack mechanism
Access Complexity: Medium
Authentication: Required to exploit
Impact Type:Allows unauthorized modification

Vendor Statments (disclaimer)

Official Statement from Red Hat (01/25/2008)
We do not consider this issue to be security sensitive. Untrusted users should not be permitted to upload files to the directories from where they can be directly served by the web server without prior careful sanitation of both contents and filename.

References to Advisories, Solutions, and Tools

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US-CERT Technical Alert: TA09-133A
Name: TA09-133A
External Source: VUPEN
Name: ADV-2009-1297
External Source: BID
Name: 27409
External Source: BUGTRAQ
Name: 20080122 Apache mod_negotiation Xss and Http Response Splitting
External Source: MISC
Name: http://www.mindedsecurity.com/MSA01150108.html
External Source: CONFIRM
Name: http://support.apple.com/kb/HT3549
External Source: SECTRACK
Name: 1019256
External Source: SECUNIA
Name: 35074
External Source: APPLE
Name: APPLE-SA-2009-05-12
External Source: XF
Name: apache-modnegotiation-response-splitting(39893)
External Source: SREASON
Name: 3575
External Source: GENTOO
Name: GLSA-200803-19
External Source: SECUNIA
Name: 29348

Vulnerable software and versions

Nav control imageConfiguration 1
spacerNav control imageOR
spacerspacerNav control image* cpe:/a:apache:http_server:1.3.39 and previous versions
spacerspacerNav control image* cpe:/a:apache:http_server:2.0.61 and previous versions
spacerspacerNav control image* cpe:/a:apache:http_server:2.2.6 and previous versions
* Denotes Vulnerable Software

Technical Details

Vulnerability Type (View All)