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AUSCERT External Security Bulletin Redistribution
ESB-2006.0785 -- [Win]
Symantec Device Driver Elevation of Privilege
24 October 2006
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AusCERT Security Bulletin Summary
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Product: Symantec AntiVirus Corporate Edition 9.0.3 and prior
Symantec AntiVirus Corporate Edition 8.1
Symantec Client Security 2.0.3 and prior
Symantec Client Security 1.1
Publisher: Symantec
Operating System: Windows
Impact: Administrator Compromise
Access: Existing Account
CVE Names: CVE-2006-3455
Original Bulletin:
http://www.symantec.com/avcenter/security/Content/2006.10.23.html
Comment: Note this is a new vulnerability distinct from the IOCTL
kernel privilege escalation issue reported in the same
products in ESB-2006.0736.
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Symantec Product Security Advisory
October 23, 2006
SYM06-022 Symantec Device Driver Elevation of Privilege
Risk Impact: Medium
Remote Access: No
Local Access: Yes
Authentication Required: Yes
Exploit available: No
Overview
Symantec was notified of a vulnerability in a device driver which, if
successfully exploited, could allow a local attacker to execute arbitrary
code with elevated privileges or to crash the system.
Affected Products
Symantec AntiVirus Corporate Edition 8.1
Symantec AntiVirus Corporate Edition 9.0.3 and earlier
Symantec Client Security 1.1
Symantec Client Security 2.0.3 and earlier
Unaffected Products
Symantec AntiVirus Corporate Edition 8.1.1 MR9
Symantec AntiVirus Corporate Edition 9.0.4 and later
Symantec AntiVirus Corporate Edition 10.x
Symantec Client Security 3.x
Norton AntiVirus 2005 and later
Norton Internet Security 2005 and later
Norton System Works 2005 and later
Details
Boon Seng Lim notified Symantec of a vulnerability in SAVRT.SYS which could
allow a malicious user to use the output buffer of DeviceIOControl() to
overwrite kernel addresses because the address space of the output buffer was
not properly validated. A successful exploit could potentially allow a local
attacker to execute code of their choice with elevated privileges, or to
crash the system.
Symantec Response
Symantec engineers verified that this issue exists in the affted products list
above, and have released updates for currently supported affected products.
Symantec is not aware of any customers impacted by this issue, or of any
attempts to exploit the issue.
Any future updates to this adivsory will be posted in the Symantec Advisory:
http://www.symantec.com/avcenter/security/Content/2006.10.23.html
Credit
Symantec would like to thank Boon Seng Lim for reporting this issue, and
working with us on the resolution.
CVE
This issue is a candidate for inclusion in the Common Vulnerabilities and
Exposures (CVE) list (http://cve.mitre.org), which standardizes names for
security problems. The CVE initiative has assigned CVE-2006-3455 to this issue
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