What’s Vulnerable › Vulnerabilities

CVE-2008-0456

• Severity: low (CVSS 2.6 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 19.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2008-01-25 · updated 2026-06-16
• Weakness: CWE-74

Description

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.

Affected products

• Apache HTTP Server: from 2.2.0 before 2.2.12 — fixed in 2.2.12
• RedHat Enterprise Linux Desktop: 5.0
• RedHat Enterprise Linux Server: 5.0
• RedHat Enterprise Linux Workstation: 5.0

How to fix

Upgrade to a fixed version: Apache HTTP Server 2.2.12. Check the vendor advisory for mitigations.

References

• http://lists.apple.com/archives/security-announce/2009/May/msg00002.html
• http://rhn.redhat.com/errata/RHSA-2013-0130.html
• http://secunia.com/advisories/29348
• http://secunia.com/advisories/35074
• http://security.gentoo.org/glsa/glsa-200803-19.xml
• http://securityreason.com/securityalert/3575
• http://securitytracker.com/id?1019256
• http://support.apple.com/kb/HT3549
• http://www.mindedsecurity.com/MSA01150108.html
• http://www.securityfocus.com/archive/1/486847/100/0/threaded
• http://www.securityfocus.com/bid/27409
• http://www.us-cert.gov/cas/techalerts/TA09-133A.html

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