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Zero Day Initiative Advisory 12-029

Zero Day Initiative Advisory 12-029
Posted Feb 8, 2012
Authored by Tipping Point | Site zerodayinitiative.com

Zero Day Initiative Advisory 12-029 - This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of IBM Rational Rhapsody. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within BB FlashBack Recorder.dll. Uninitialized pointers may be passed as arguments to InsertMarker() which in turn can allow an attacker to corrupt memory in a controlled fashion. This behavior can be exploited to remotely execute arbitrary code in the context of the user running the browser.

tags | advisory, remote, arbitrary
advisories | CVE-2011-1391
MD5 | 5ca0172148f5b7fc1b5bab09616d5590

Zero Day Initiative Advisory 12-029

Change Mirror Download
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ZDI-12-029 : IBM Rational Rhapsody BBFlashBack.Recorder.1 InsertMarker
Remote Code Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-12-029
February 8, 2012

- -- CVE ID:
CVE-2011-1391

- -- CVSS:
9, AV:N/AC:L/Au:N/C:P/I:P/A:C

- -- Affected Vendors:

IBM



- -- Affected Products:

IBM Rational Rhapsody



- -- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 12043.
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 IBM Rational Rhapsody. User interaction is
required to exploit this vulnerability in that the target must visit a
malicious page or open a malicious file.

The specific flaw exists within BB FlashBack Recorder.dll. Uninitialized
pointers may be passed as arguments to InsertMarker() which in turn can
allow an attacker to corrupt memory in a controlled fashion. This
behavior can be exploited to remotely execute arbitrary code in the
context of the user running the browser.

- -- Vendor Response:

IBM has issued an update to correct this vulnerability. More details can
be found at:

http://www.ibm.com/support/docview.wss?uid=swg21576352




- -- Disclosure Timeline:
2011-06-29 - Vulnerability reported to vendor

2012-02-08 - Coordinated public release of advisory



- -- Credit:
This vulnerability was discovered by:

* Andrea Micalizzi aka rgod



- -- 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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