VAR-201711-0348

Vulnerability from variot - Updated: 2023-12-18 12:19

A vulnerability in the Multipurpose Internet Mail Extensions (MIME) scanner of Cisco AsyncOS Software for Cisco Email Security Appliances (ESA) could allow an unauthenticated, remote attacker to bypass configured user filters on the device. The vulnerability is due to improper error handling of a malformed MIME header in an email attachment. An attacker could exploit this vulnerability by sending an email with a crafted MIME attachment. For example, a successful exploit could allow the attacker to bypass configured user filters to drop the email. The malformed MIME headers may not be RFC compliant. However, some mail clients could still allow users to access the attachment, which may not have been properly filtered by the device. Cisco Bug IDs: CSCvf44666. Cisco AsyncOS The software contains vulnerabilities related to security functions. Vendors have confirmed this vulnerability Bug ID CSCvf44666 It is released as.Information may be tampered with. An attacker can exploit this issue to bypass security restrictions and perform unauthorized actions. This may aid in further attacks. AsyncOS Software is the operating system used in it. Multipurpose Internet Mail Extensions (MIME) scanner is one of the multipurpose mail extension scanners

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