IBM Informix nsrexecd Service Privilege Escalation Vulnerability
March 22nd, 2016
Vulnerability Details
This vulnerability allows local users to execute arbitrary code on vulnerable installations of IBM Informix. 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 configuration of the nsrexecd service. Weak access control allows all authenticated users to modify the binary for this service and thus execute code in the context of SYSTEM.
Additional Details
IBM has issued an update to correct this vulnerability. More details can be found at:
http://www-01.ibm.com/support/docview.wss?rs=630&uid=swg21978598
Disclosure Timeline
- 2015-12-16 - Vulnerability reported to vendor
- 2016-03-22 - Coordinated public release of advisory
Credit
Steven Seeley of Source Incite
