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Zero Day Initiative Advisory 12-106

Zero Day Initiative Advisory 12-106
Posted Jun 29, 2012
Authored by Tipping Point | Site zerodayinitiative.com

Zero Day Initiative Advisory 12-106 - This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Avaya IP Office Customer Call Reporter. Authentication is not required to exploit this vulnerability. The specific flaw exists because Avaya IP Office Customer Call Reporter allows unauthenticated users to upload files to the webserver through ImageUpload.ashx. The uploaded files will not be stripped of their file extensions and the directory where they are uploaded to has no scripting restrictions. This flaw can lead the remote code execution under the context of the user running the IP Office Customer Call Reporter, usually NETWORK SERVICE.

tags | advisory, remote, arbitrary, code execution
advisories | CVE-2012-3811
SHA-256 | c9875f083e981a649b82cd3fc96e172a5e7ead7522bb0fcbbb19128b2cc1d8b9

Zero Day Initiative Advisory 12-106

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ZDI-12-106 : Avaya IP Office Customer Call Reporter ImageUpload Remote Code
Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-12-106
June 28, 2012

- -- CVE ID:
CVE-2012-3811

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

- -- Affected Vendors:
Avaya

- -- Affected Products:
Avaya IP Office


- -- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 12384.
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 Avaya IP Office Customer Call Reporter.
Authentication is not required to exploit this vulnerability.

The specific flaw exists because Avaya IP Office Customer Call Reporter
allows unauthenticated users to upload files to the webserver through
ImageUpload.ashx. The uploaded files will not be stripped of their file
extensions and the directory where they are uploaded to has no scripting
restrictions. This flaw can lead the remote code execution under the
context of the user running the IP Office Customer Call Reporter, usually
NETWORK SERVICE.

- -- Vendor Response:
Avaya has issued an update to correct this vulnerability. More details can
be found at:
https://downloads.avaya.com/css/P8/documents/100164021


- -- Disclosure Timeline:
2011-11-22 - Vulnerability reported to vendor
2012-06-28 - 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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