Same-origin policy bypass vulnerabilities in several VPN

2009-12-07 / 2009-12-08

Credit: Juha-Matti Laurio

Risk: Medium

Local: No

Remote: Yes

CVE: CVE-2009-2631

CWE: CWE-264

CVSS Base Score: 6.8/10

Impact Subscore: 6.4/10

Exploitability Subscore: 8.6/10

Exploit range: Remote

Attack complexity: Medium

Authentication: No required

Confidentiality impact: Partial

Integrity impact: Partial

Availability impact: Partial

Vulnerabilities in several clientless SSL VPN products have been reported.

Gathering authentication cookies etc. is reportedly possible.
At time of writing US-CERT's advisory lists the status of about 90 vendors.

US-CERT Vulnerability Note VU#261869:
http://www.kb.cert.org/vuls/id/261869
Severity metric is remarkable high: 45,00.

This issue is CVE-2009-2631.

Juha-Matti

References:

http://www.kb.cert.org/vuls/id/261869

http://xforce.iss.net/xforce/xfdb/54523

http://www.stonesoft.com/en/support/security_advisories/2009_03_12.html

http://www.sonicwall.com/us/2123_14883.html

http://www.sonicwall.com/us/2123_14882.html

http://www.securityfocus.com2000/bid/37152

http://www.securityfocus.com/archive/1/archive/1/508164/100/0/threaded

http://seclists.org/fulldisclosure/2006/Jun/238

See this note in RAW Version

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Same-origin policy bypass vulnerabilities in several VPN

References:

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