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Cisco Security Advisory 20121108-sophos

Cisco Security Advisory 20121108-sophos
Posted Nov 9, 2012
Authored by Cisco Systems | Site cisco.com

Cisco Security Advisory - Cisco IronPort Email Security Appliances (ESA) and Cisco IronPort Web Security Appliances (WSA) include versions of Sophos Anti-Virus that contain multiple vulnerabilities that could allow an unauthenticated, remote attacker to gain control of the system, escalate privileges, or cause a denial-of-service (DoS) condition. An attacker could exploit these vulnerabilities by sending malformed files to an appliance that is running Sophos Anti-Virus. The malformed files could cause the Sophos antivirus engine to behave unexpectedly. As updates that address these vulnerabilities become available from Sophos, Cisco is working to qualify and automatically provision them through the Cisco Ironport ESA and WSA platforms. A workaround that mitigates these vulnerabilities is available.

tags | advisory, remote, web, vulnerability, virus
systems | cisco
MD5 | 3aeb9bf53026afc4008e860acfb34848

Cisco Security Advisory 20121108-sophos

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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

Cisco Ironport Appliances Sophos Anti-virus Vulnerabilities

Advisory ID: cisco-sa-20121108-sophos

Revision 1.0

For Public Release 2012 November 9 03:00 UTC (GMT)
- ----------------------------------------------------------------------

Summary
=======

Cisco IronPort Email Security Appliances (ESA) and Cisco IronPort Web
Security Appliances (WSA) include versions of Sophos Anti-Virus that
contain multiple vulnerabilities that could allow an unauthenticated,
remote attacker to gain control of the system, escalate privileges, or
cause a denial-of-service (DoS) condition. An attacker could exploit
these vulnerabilities by sending malformed files to an appliance that
is running Sophos Anti-Virus. The malformed files could cause the
Sophos antivirus engine to behave unexpectedly.

As updates that address these vulnerabilities become available from
Sophos, Cisco is working to qualify and automatically provision them
through the Cisco Ironport ESA and WSA platforms.

A workaround that mitigates these vulnerabilities is available. This
advisory is available at the following link:
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20121108-sophos
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