Solaris USB configuration descriptor kernel stack overflow (CVE-2011-2295)

25 July 2011

Andy Davis of NGS Secure has discovered a High risk vulnerability in Oracle Solaris. A local attacker can send a malformed USB configuration descriptor via a malicious USB device and trigger a kernel stack overflow, which could potentially result in arbitrary code execution.

Versions affected include:
Solaris 8, 9, 10, and 11 Express

This issue is addressed in the Oracle Critical Patch Update Advisory - July 2011, which is available at the following URL:
http://www.oracle.com/technetwork/topics/security/cpujuly2011-313328.html

NGS Secure is going to withhold details of this flaw for three months. This three month window will allow users the time needed to apply the patch before the details are released to the general public. This reflects the NGS Secure approach to responsible disclosure.

NGS Secure Research
http://www.ngssecure.com