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ZDI-07-035: CA Multiple Product AV Engine CAB Header Parsing Stack Overflow Vulnerability
From: zdi-disclosures () 3com com
Date: Tue, 5 Jun 2007 12:48:42 -0700

ZDI-07-035: CA Multiple Product AV Engine CAB Header Parsing Stack
            Overflow Vulnerability
June  5, 2007

-- CVE ID:

-- Affected Vendor:
Computer Associates

-- Affected Products:
CA Anti-Virus
eTrust EZ Antivirus
CA Internet Security Suite 2007
eTrust Internet Security Suite
eTrust EZ Armor
CA Threat Manager
CA Protection Suites
CA Secure Content Manager
CA Anti-Virus Gateway
Unicenter Network and Systems Management
BrightStor ARCserve Backup
CA Common Services

-- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of various Computer Associates products.

The specific flaw exists within the processing of an improperly defined
"coffFiles" field in .CAB archives. Large values result in an unbounded
data copy operation which can result in an exploitable stack-based
buffer overflow.

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

-- Disclosure Timeline:
2007.02.16 - Vulnerability reported to vendor
2007.06.05 - 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.

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