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[CAID 35395, 35396]: CA Anti-Virus Engine CAB File Buffer Overflow Vulnerabilities
From: "Williams, James K" <James.Williams () ca com>
Date: Thu, 7 Jun 2007 11:43:42 -0400

Hash: SHA1

Title: [CAID 35395, 35396]: CA Anti-Virus Engine CAB File Buffer 
Overflow Vulnerabilities

CA Vuln ID (CAID): 35395, 35396

CA Advisory Date: 2007-06-05

Reported By: ZDI

Impact: Remote attackers can cause a denial of service or 
potentially execute arbitrary code.

Summary: CA Anti-Virus engine contains multiple vulnerabilities 
that can allow a remote attacker to cause a denial of service or 
possibly execute arbitrary code. CA has issued an update to 
address the vulnerabilities. The first vulnerability, 
CVE-2007-2863, is due to insufficient bounds checking on filenames 
contained in a CAB archive. The second vulnerability, 
CVE-2007-2863, is due to insufficient bounds checking on the 
"coffFiles" field. By using a specially malformed CAB file, an 
attacker can cause a crash or take unauthorized action on an 
affected system.

Mitigating Factors: None

Severity: CA has given these vulnerabilities a High risk rating.

Affected Products:
CA Anti-Virus for the Enterprise (formerly eTrust Antivirus) r8, 
CA Anti-Virus 2007 (v8)
eTrust EZ Antivirus r7, r6.1
CA Internet Security Suite 2007 (v3)
eTrust Internet Security Suite r1, r2
eTrust EZ Armor r1, r2, r3.x
CA Threat Manager for the Enterprise (formerly eTrust Integrated 
   Threat Management) r8
CA Protection Suites r2, r3
CA Secure Content Manager (formerly eTrust Secure Content 
   Manager) 8.0
CA Anti-Virus Gateway (formerly eTrust Antivirus eTrust Antivirus 
   Gateway) 7.1
Unicenter Network and Systems Management (NSM) r3.0
Unicenter Network and Systems Management (NSM) r3.1
Unicenter Network and Systems Management (NSM) r11
Unicenter Network and Systems Management (NSM) r11.1
BrightStor ARCserve Backup r11.5
BrightStor ARCserve Backup r11.1
BrightStor ARCserve Backup r11 for Windows
BrightStor Enterprise Backup r10.5
BrightStor ARCserve Backup v9.01
CA Common Services
CA Anti-Virus SDK (formerly eTrust Anti-Virus SDK)

Affected Platforms:

Status and Recommendation:
CA has issued content update 30.6 to address the vulnerabilities. 
The updated engine is provided with content updates. Ensure the 
latest content update is installed if the signature version is 
less than version 30.6.

For BrightStor ARCserve Backup:

1. To update the signatures one time only, open a command window, 
change into the "C:\Program Files\CA\SharedComponents\ScanEngine" 
directory, and enter the following command:

inodist /cfg inodist.ini

2. To update on a regular schedule:

* Submit a GenericJob using the ARCserve Job Scheduler. Please 
search the BrightStor Administrator's Guide for 'Antivirus 
Maintenance' and follow the directions.


* Use the above command line instruction with the AT Scheduler.

Workaround: None

References (URLs may wrap):
CA SupportConnect:
CA SupportConnect Security Notice for this vulnerability:
Security Notice for CA products implementing the Anti-Virus engine
CA Security Advisor posting: CA Anti-Virus Engine CAB File Buffer 
Overflow Vulnerabilities
CAID: 35395, 35396
Reported By: ZDI
ZDI Advisory: ZDI-07-034, ZDI-07-035
CVE References: CVE-2007-2863, CVE-2007-2864
OSVDB References: OSVDB-35244, OSVDB-35245

Changelog for this advisory:
v1.0 - Initial Release

Customers who require additional information should contact CA
Technical Support at http://supportconnect.ca.com.

For technical questions or comments related to this advisory, 
please send email to vuln AT ca DOT com.

If you discover a vulnerability in CA products, please report your
findings to vuln AT ca DOT com, or utilize our "Submit a 
Vulnerability" form. 
URL: http://www.ca.com/us/securityadvisor/vulninfo/submit.aspx

Ken Williams ; 0xE2941985
Director, CA Vulnerability Research

CA, 1 CA Plaza, Islandia, NY 11749
Contact http://www.ca.com/us/contact/
Legal Notice http://www.ca.com/us/legal/
Privacy Policy http://www.ca.com/us/privacy/
Copyright (c) 2007 CA. All rights reserved.

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