Software Engineering Institute

The Rapid7 advisory states:

CVE-2012-4956 - Heap Overflow
When handling requests of name "SRS", the NFRAgent.exe fails to generate a response in a secure way, copying user controlled data into a fixed-length buffer in the heap without bounds checking. This vulnerability can result in remote code execution under the context of the SYSTEM account.

CVE-2012-4957 - Arbitrary File Retrieval
When handling requests on "/FSF/CMD" for records with NAME "SRS", OPERATION "4" and CMD "103" the NFRAgent.exe allows a remote unauthenticated user to retrieve arbitrary remote files, specified with the tag "PATH", with SYSTEM privileges.

CVE-2012-4958 - Arbitrary File Retrieval
When handling requests on "/FSF/CMD" for records with NAME "FSFUI" and UICMD "126" the NFRAgent.exe allows a remote unauthenticated user to retrieve arbitrary remote text files, specified with the tag "FILE", with SYSTEM privileges.

CVE-2012-4959 - Arbitrary File Upload
When handling requests on "/FSF/CMD" for records with NAME "FSFUI" and UICMD "130" the NFRAgent.exe allows a remote unauthenticated user to upload files to the host, specified with the tag "FILE", with SYSTEM privileges. It allows to execute remote code with SYSTEM privileges.

Additional details may be found in the Rapid7 blog post entitled "New 0day Exploits: Novell File Reporter Vulnerabilities."

A remote unauthenticated attacker may be able to execute code, retrieve arbitrary files, and upload arbitrary files to the host.

Apply an Update

Download and install the 14 Dec 2012 Novell File Reporter Agent Vulnerability Patch 1.0. Please refer to Knowledge Base document 7011962 for more details.

If you are unable to upgrade for a particular reason, please consider the following workaround.

Restrict Access

Deploy appropriate firewall rules so only trusted networks and hosts can communicate with the Novell File Reporter agent.