Title: NAI Net Tools PKI Server strong.exe Buffer Overflow Vulnerability
Severity: CRITICAL
Description:
Certain versions of Network Associates Inc.'s Net Tools PKI (Public Key Infrastructure) server ship with a buffer overflow vulnerability which could lead to a remote compromise of the system running the PKI server. The problem lies within the webserver component of the PKI server (strong.exe) which operates several 'virtual servers' required to operate the PKI server. The first is the Administrative Web Server which listens via TCP port 443, the second is Enrollment Web Server which listens on TCP port 444. Unlike the Administrative Web Server the Enrollment Web Server does not require credentials to be exchanged before a user can talk to the webserver. It is via this virtual server that an attacker can exploit the problem at hand.
In particular this problem is located in the PKI servers log generation routines. In order to exploit it, a user must simply connect via an HTTPS connection to port 444 and provide an overly long URL (2965 + characters) which will be mishandled by the log routines resulting in a buffer overflow.
Affected Products:
- Network Associates Net Tools PKI Server 1.0.0
- Network Associates Net Tools PKI Server 1.0.0Hotfix1
- Network Associates Net Tools PKI Server 1.0.0Hotfix2
References:
- CORE: CORE SDI Homepage
- Network Associates Inc.: Net Tools PKI Product Homepage
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