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Zero Day Initiative Advisory 10-231

Zero Day Initiative Advisory 10-231
Posted Nov 8, 2010
Authored by Tipping Point | Site zerodayinitiative.com

Zero Day Initiative Advisory 10-231 - This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Juniper SA Series devices. Authentication is not required to exploit this vulnerability. The specific flaw exists within the meeting_testjava.cgi page which is used to test JVM compatibility. When handling the DSID HTTP header the code allows an attacker to inject arbitrary javascript into the page. This can be abused by an attacker to perform a cross-site scripting attack on the device.

tags | advisory, remote, web, arbitrary, cgi, javascript, xss
systems | juniper
MD5 | e1db201e6c5dec0d564680e5ccdbe72c

Zero Day Initiative Advisory 10-231

Change Mirror Download
ZDI-10-231: Juniper Secure Access Series meeting_testjava.cgi XSS Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-10-231

November 7, 2010

-- CVSS:
6.4, (AV:N/AC:L/Au:N/C:P/I:P/A:N)

-- Affected Vendors:
Juniper

-- Affected Products:
Juniper Secure Access Series

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 10605.
For further product information on the TippingPoint IPS, visit:

http://www.tippingpoint.com

-- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of Juniper SA Series devices. Authentication is
not required to exploit this vulnerability.

The specific flaw exists within the meeting_testjava.cgi page which is
used to test JVM compatibility. When handling the DSID HTTP header the
code allows an attacker to inject arbitrary javascript into the page.
This can be abused by an attacker to perform a cross-site scripting
attack on the device.

-- Vendor Response:
Juniper states:
Development has confirmed that the fix to this issue will be available
in IVE OS versions 6.5r7 and 7.0r3. Both IVE OS 6.5r7 and 7.0r3 are
planned to be available to customers in early November 2010.

Customers can sign up for proactive alerts of IVE OS software releases
by visiting the Juniper Networks Support Center and selecting "Subscribe
to Email Alerts" under Technical Bulletins.

-- Disclosure Timeline:
2010-10-15 - Vulnerability reported to vendor
2010-11-07 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
* Davy Douhine

-- About the Zero Day Initiative (ZDI):
Established by TippingPoint, The Zero Day Initiative (ZDI) represents
a best-of-breed model for rewarding security researchers for responsibly
disclosing discovered vulnerabilities.

Researchers interested in getting paid for their security research
through the ZDI can find more information and sign-up at:

http://www.zerodayinitiative.com

The ZDI is unique in how the acquired vulnerability information is
used. TippingPoint does not re-sell the vulnerability details or any
exploit code. Instead, upon notifying the affected product vendor,
TippingPoint provides its customers with zero day protection through
its intrusion prevention technology. Explicit details regarding the
specifics of the vulnerability are not exposed to any parties until
an official vendor patch is publicly available. Furthermore, with the
altruistic aim of helping to secure a broader user base, TippingPoint
provides this vulnerability information confidentially to security
vendors (including competitors) who have a vulnerability protection or
mitigation product.

Our vulnerability disclosure policy is available online at:

http://www.zerodayinitiative.com/advisories/disclosure_policy/

Follow the ZDI on Twitter:

http://twitter.com/thezdi


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