7.8
CWE
20
Advisory Published
Updated

CVE-2015-6291: Input Validation

First published: Fri Nov 06 2015(Updated: )

Cisco AsyncOS before 8.5.7-043, 9.x before 9.1.1-023, and 9.5.x and 9.6.x before 9.6.0-046 on Email Security Appliance (ESA) devices mishandles malformed fields during body-contains, attachment-contains, every-attachment-contains, attachment-binary-contains, dictionary-match, and attachment-dictionary-match filtering, which allows remote attackers to cause a denial of service (memory consumption) via a crafted attachment in an e-mail message, aka Bug ID CSCuv47151.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco Email Security Appliance Firmware=7.7.0-000
Cisco Email Security Appliance Firmware=7.7.1-000
Cisco Email Security Appliance Firmware=8.0_base
Cisco Email Security Appliance Firmware=8.5.6-052
Cisco Email Security Appliance Firmware=8.5.6-073
Cisco Email Security Appliance Firmware=8.5.6-074
Cisco Email Security Appliance Firmware=8.5.6-106
Cisco Email Security Appliance Firmware=8.5.6-113
Cisco Email Security Appliance Firmware=8.5.7-042
Cisco Email Security Appliance Firmware=8.5_base
Cisco Email Security Appliance Firmware=9.0.0
Cisco Email Security Appliance Firmware=9.0.0-212
Cisco Email Security Appliance Firmware=9.0.0-461
Cisco Email Security Appliance Firmware=9.0.5-000
Cisco Email Security Appliance Firmware=9.1.0-032
Cisco Email Security Appliance Firmware=9.6.0-042

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