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[security-alerts] Fwd: [Full-disclosure] ZDI-07-040: Symantec AntiVirus Engine CAB Parsing Heap Overflow Vulnerability

--This is a forwarded message
From: TSRT@xxxxxxxx <TSRT@xxxxxxxx>
To: full-disclosure@xxxxxxxxxxxxxxxxx <full-disclosure@xxxxxxxxxxxxxxxxx>
Date: Friday, July 13, 2007, 4:56:28 AM
Subject: [Full-disclosure] ZDI-07-040: Symantec AntiVirus Engine CAB Parsing 
Heap Overflow Vulnerability

===8<==============Original message text===============
ZDI-07-040: Symantec AntiVirus Engine CAB Parsing Heap Overflow
July 12, 2007

-- CVE ID:

-- Affected Vendor:

-- Affected Products:
Symantec AntiVirus Engine

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability since November 30, 2006 by Digital Vaccine protection
filter ID 4875. For further product information on the TippingPoint IPS:


-- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
systems with affected installations of Symantec's AntiVirus Engine.
User interaction is not required to exploit this vulnerability.

The specific flaw exists during the process of scanning multiple
maliciously formatted CAB archives. The parsing routine implicitly
trusts certain user-supplied values that can result in an exploitable
heap corruption.

-- Vendor Response:
Symantec has issued an update to correct this vulnerability. More
details can be found at:


-- Disclosure Timeline:
2006.11.09 - Vulnerability reported to vendor
2006.11.30 - Digital Vaccine released to TippingPoint customers
2007.07.12 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by an anonymous researcher.

-- About the Zero Day Initiative (ZDI):
Established by TippingPoint, a division of 3Com, The Zero Day Initiative
(ZDI) represents a best-of-breed model for rewarding security
researchers for responsibly disclosing discovered vulnerabilities.

Researchers interested in getting paid for their security research
through the ZDI can find more information and sign-up at:


The ZDI is unique in how the acquired vulnerability information is used.
3Com does not re-sell the vulnerability details or any exploit code.
Instead, upon notifying the affected product vendor, 3Com provides its
customers with zero day protection through its intrusion prevention
technology. Explicit details regarding the specifics of the
vulnerability are not exposed to any parties until an official vendor
patch is publicly available. Furthermore, with the altruistic aim of
helping to secure a broader user base, 3Com provides this vulnerability
information confidentially to security vendors (including competitors)
who have a vulnerability protection or mitigation product.

CONFIDENTIALITY NOTICE: This e-mail message, including any attachments,
is being sent by 3Com for the sole use of the intended recipient(s) and
may contain confidential, proprietary and/or privileged information.
Any unauthorized review, use, disclosure and/or distribution by any 
recipient is prohibited.  If you are not the intended recipient, please
delete and/or destroy all copies of this message regardless of form and
any included attachments and notify 3Com immediately by contacting the
sender via reply e-mail or forwarding to 3Com at postmaster@xxxxxxxxx 
Full-Disclosure - We believe in it.
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===8<===========End of original message text===========



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