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teTeX Buffer Overflows Let Remote Users Execute Arbitrary Code and Unsafe Temporary Files Let Local Users Overwrite Files
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SecurityTracker Alert ID: 1019058 |
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SecurityTracker URL: http://securitytracker.com/id/1019058
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CVE Reference:
CVE-2007-5935, CVE-2007-5936, CVE-2007-5937
(Links to External Site)
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Date: Dec 7 2007
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Impact:
Execution of arbitrary code via network, Modification of system information, Modification of user information, User access via local system, User access via network
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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.
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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.
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Solution:
No solution was available at the time of this entry.
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Cause:
Access control error, Boundary error, State error
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Underlying OS:
Linux (Any), UNIX (Any)
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Message History:
None.
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Source Message Contents
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[Original Message Not Available for Viewing]
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