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AntiVir PersonalEdition "update.exe" Privilege Escalation
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Secunia Advisory:
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SA21764
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Release Date:
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2006-09-07
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Last Update:
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2006-09-13
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Popularity:
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12,795 views
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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: | AntiVir PersonalEdition 7.x
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| CVE reference: | CVE-2006-4619
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Description:
rugginello has discovered a vulnerability in AntiVir PersonalEdition, which can be exploited by malicious, local users to gain escalated privileges.
The vulnerability is caused due to the update.exe process using the progress bar control which accepts the PBM_GETRANGE and PBM_SETRANGE messages from arbitrary users and does not verify the IParam parameter. This can be exploited to write an arbitrary value to an arbitrary memory address when using the update functionality.
Successful exploitation may allow execution of arbitrary code with SYSTEM privileges.
The vulnerability has been confirmed in version 7.0 build 151 (Classic). Other versions may also be affected.
Solution:
Fixed in version 7.02 build 180.
Provided and/or discovered by:
rugginello
Changelog:
2006-09-11: Added CVE reference.
2006-09-13: Updated solution section.
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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