Serendipity contains a flaw that may allow a malicious user to perform HTTP response splitting on the index.php page. The issue is triggered when unexpected carriage return and/or line feed (CR/LF) characters are input into the HTTP request stream. It is possible that the flaw may allow man-in-the-middle attacks and or cross-site-scripting attacks, resulting in a loss of confidentiality and/or integrity.
Classification
Location:
Remote / Network Access
Attack Type:
Input Manipulation
Impact:
Loss of Confidentiality,
Loss of Integrity
Exploit:
Exploit Public
Disclosure:
OSVDB Verified,
Vendor Verified
OSVDB:
Web Related
Solution
Upgrade to version 0.7-rc1 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.