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Symantec AntiVirus Scan Engine Race Condition Vulnerability
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Secunia Advisory:
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SA10900
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Release Date:
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2004-02-17
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Last Update:
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2004-03-24
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Critical:
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Less critical
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Impact:
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Privilege escalation
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Where:
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Local system
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Solution Status:
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Vendor Patch
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| Software: | Symantec AntiVirus Scan Engine 4.x
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| | CVE reference: | CVE-2004-0217 (Secunia mirror)
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Description:
Dr. Peter Bieringer has reported a vulnerability in Symantec AntiVirus Scan Engine, which can be exploited by malicious, local users to perform certain actions on a vulnerable system with escalated privileges.
The vulnerability is caused due to a race condition when running LiveUpdate via the shell script "liveupdate.sh". The problem is that a log file is created insecurely with a predictable name ("/tmp/LiveUpdate.log") by default as specified in the "/etc/liveupdate.conf" configuration file.
This can be exploited to overwrite an arbitrary file with the privileges of the user executing the shell script via a symlink attack when running LiveUpdate for the first time.
The vulnerability affects version 4.3 for Solaris and Red Hat Linux.
Other minor security issues during installation regarding temporary directory naming based on PIDs and known names were also reported.
Solution:
A build update has been released, which customers can obtain via their usual technical support channels. An update for Symantec Java LiveUpdate will reportedly also be available soon.
Provided and/or discovered by:
Dr. Peter Bieringer
Changelog:
2004-03-24: Added CVE reference and link to vendor advisory. Updated "Solution" section.
Original Advisory:
http://www.sarc.com/avcenter/security/Content/2004.03.23.html
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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3. Symantec Products IOCTL Handler Privilege Escalation
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4. Symantec AntiVirus RAR Archive Decompression Buffer Overflow
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5. Symantec AntiVirus Scan Engine Administrative Interface Buffer Overflow
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6. Symantec AntiVirus Products RAR Archive Virus Detection Bypass
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7. Symantec Multiple Products UPX Parsing Engine Buffer Overflow
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