A vulnerability in the proxy engine of the Cisco Advanced Malware Protection (AMP) and the Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass security restrictions. The vulnerability is due to improper handling of malformed file methods. An attacker could exploit this vulnerability by encoding files within an email message. An exploit could allow the attacker to circumvent the AMP’s or ESA’s ability to prevent encoded files. Cisco has not released software updates that address this vulnerability. Workarounds that address this vulnerability are not available. This advisory is available at the following link: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160211-esaamp
The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.
To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.
| Version | Description | Section | Status | Date |
|---|---|---|---|---|
| 1.0 | Initial public release | - | Final | 2016-February-11 |
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