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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important.  If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.


Home >> Browse Vulnerability Assessment Database >> RPC >> tooltalk format string


Vulnerability Assessment Details

tooltalk format string

Vulnerability Assessment Summary
Checks the presence of a RPC service

Detailed Explanation for this Vulnerability Assessment

The tooltalk RPC service is running.

There is a format string bug in many versions
of this service, which permit a possible hacker to gain
root remotely.

In addition to this, several versions of this service
permit remote attackers to overwrite abitrary memory
locations with a zero and possibly gain rights
via a file descriptor argument in an AUTH_UNIX
procedure call which is used as a table index by the
_TT_ISCLOSE procedure.

*** This warning may be a false positive since the existence
*** of the bug was not verified locally.

Solution : Disable this service or patch it
See also : CERT Advisories CA-2001-27 and CA-2002-20

Network Security Threat Level: High

Networks Security ID: 3382, 5082

Vulnerability Assessment Copyright: This script is Copyright (C) 2001 Renaud Deraison

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