Novell ZenWorks TFTPD Remote Code Execution Vulnerability
Vulnerability Details
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Novell Zenworks Configuration Manager.
Authentication is not required to exploit this vulnerability.
The flaw exists within the novell-tftp.exe component which listens by default on UDP port 69. When handling a request the process blindly copies user supplied data into a fixed-length buffer on the heap. A remote attacker can exploit this vulnerability to execute arbitrary code under the context of the ZenWorks user.
Additional Details
Novell has issued an update to correct this vulnerability. More details can be found at:
http://www.novell.com/support/php/search.do?cmd=displayKC&docType=kc&externalId=7007896&sliceId=2&docTypeID=DT_TID_1_1&dialogID=205671351&stateId=0%200%20205669596
Disclosure Timeline
- 2010-08-23 - Vulnerability reported to vendor
- 2011-02-17 - Coordinated public release of advisory
Credit
Francis Provencher for Protek Researchh Lab's
AbdulAziz Hariri of ThirdEyeTesters
SilentSignal