Security restrictions bypass in Cisco Email Security Appliance - CVE-2018-0419

 

Security restrictions bypass in Cisco Email Security Appliance - CVE-2018-0419

Published: August 15, 2018 / Updated: August 16, 2018


Vulnerability identifier: #VU14432
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-0419
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco Email Security Appliance

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The vulnerability exists in certain attachment detection mechanisms of Cisco Email Security Appliances (ESA) due to improper detection of content within executable (EXE) files. A remote attacker can send a customized EXE file that is not recognized and blocked by the ESA., bypass the filtering functionality and send email messages that contain malicious executable files to unsuspecting users.


How to mitigate CVE-2018-0419

Install update from vendor's website.

Sources