[NEWS] IBM Tivoli Storage Manager Express CAD Service Buffer Overflow Vulnerability

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IBM Tivoli Storage Manager Express CAD Service Buffer Overflow
Vulnerability
------------------------------------------------------------------------


SUMMARY

A vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of IBM Tivoli Storage Manager Express.
Authentication is not required to exploit this vulnerability.

DETAILS

Vulnerable Systems:
* Tivoli Storage Manager Express backup clients
* Tivoli Storage Manager version 5.1 backup clients
* Tivoli Storage Manager version 5.2 backup clients
* Tivoli Storage Manager version 5.3 backup clients
* Tivoli Storage Manager version 5.4 backup clients

The specific flaw exists in the dsmcad.exe process bound by default on TCP
port 1581. During HTTP header parsing, a host parameter of sufficient
length will trigger an overflow through a call to vswprintf(). The call
overflows into imported function pointers which are later called.
Exploitation of this issue can result in arbitrary code execution.

Vendor Response:
IBM has issued an update to correct this vulnerability. More details can
be found at:
<http://www-1.ibm.com/support/docview.wss?uid=swg21268775>
http://www-1.ibm.com/support/docview.wss?uid=swg21268775

Disclosure Timeline:
2007.05.22 - Vulnerability reported to vendor
2007.09.24 - Digital Vaccine released to TippingPoint customers
2007.09.24 - Coordinated public release of advisory

CVE Information:
<http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4880>
CVE-2007-4880


ADDITIONAL INFORMATION

The information has been provided by <mailto:zdi-disclosures@xxxxxxxx>
The Zero Day Initiative (ZDI).
The original article can be found at:
<http://www.zerodayinitiative.com/advisories/ZDI-07-054.html>
http://www.zerodayinitiative.com/advisories/ZDI-07-054.html



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