CVE-2008-0456: CRLF Injection
CRLF injection vulnerability in the modnegotiation 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 Software
Event History
Frequently Asked Questions
What is the severity of CVE-2008-0456?
CVE-2008-0456 is classified as a medium severity vulnerability.
How do I fix CVE-2008-0456?
To fix CVE-2008-0456, update your Apache HTTP Server to version 2.2.12 or later.
Which versions of Apache are affected by CVE-2008-0456?
CVE-2008-0456 affects Apache HTTP Server versions 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.
What type of attack can be executed using CVE-2008-0456?
CVE-2008-0456 allows remote authenticated users to inject arbitrary HTTP headers, potentially leading to HTTP response splitting attacks.
Is CVE-2008-0456 specific to any operating system?
CVE-2008-0456 is not operating system specific but affects Apache installations running on platforms like Red Hat Enterprise Linux.