SB2017021707 - Security restrictions bypass in Cisco AsyncOS Software for Cisco ESA and Cisco WSA
Published: February 17, 2017
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Filerting bypass (CVE-ID: CVE-2017-3827)
The vulnerability allows a remote attacker to bypass security filtering mechanisms.
The vulnerability exists due to improper error handling when processing malformed MIME header in an email attachment. A remote unauthenticated attacker can send specially crafted email with malformed MIME attachment and bypass implemented security filters.
Remediation
Install update from vendor's website.