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Category:   Application (Generic)  >   teTeX Vendors:   Esser, Thomas
teTeX Buffer Overflows Let Remote Users Execute Arbitrary Code and Unsafe Temporary Files Let Local Users Overwrite Files
SecurityTracker Alert ID:  1019058
SecurityTracker URL:  http://securitytracker.com/id/1019058
CVE Reference:   CVE-2007-5935, CVE-2007-5936, CVE-2007-5937   (Links to External Site)
Date:  Dec 7 2007
Impact:   Execution of arbitrary code via network, Modification of system information, Modification of user information, User access via local system, User access via network


Description:   Several vulnerabilities were reported in teTeX. A remote user can cause arbitrary code to be executed on the target user's system. A local user can gain elevated privileges.

A remote user can create a specially crafted dvi file that, when loaded by the target user or application, will trigger a buffer overflow in dvips and execute arbitrary code on the target system [CVE-2007-5935]. The code will run with the privileges of the target user or application.

The dviljk utilities create unsafe temporary files [CVE-2007-5936]. A local user can exploit this to create or overwrite files with the privileges of the target user.

A remote user can create a specially crafted dvi file that, when loaded by the target user or application, will trigger a buffer overflow in the dviljk utilities and execute arbitrary code on the target system [CVE-2007-5937]. The code will run with the privileges of the target user or application.

Bastien Roucaries reported the dvips buffer overflow and Joachim Schrod reported the other two vulnerabilities.

Impact:   A remote user can create a file that, when loaded by the target user or application, will execute arbitrary code on the target system.

A local user can create or modify files with the privileges of the target user.

Solution:   No solution was available at the time of this entry.
Cause:   Access control error, Boundary error, State error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   None.


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