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Cisco Email Security Appliance Anti-Spam Scanner Bypass Vulnerability
Information
Severity
Severity
Medium
Family
Family
CISCO
CVSSv2 Base
CVSSv2 Base
5.0
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:N/I:P/A:N
Solution Type
Solution Type
Vendor Patch
Created
Created
7 years ago
Modified
Modified
4 years ago
Summary
Cisco Email Security Appliance contains a vulnerability that could allow an unauthenticated, remote attacker to bypass security restrictions.
Insight
Insight
The vulnerability is due to improper handling of a malformed packet in the anti-spam scanner. An attacker could exploit this vulnerability by sending a crafted DNS Sender Policy Framework (SPF) text record. An exploit could allow the attacker to bypass the anti-spam scanner and generate a malformed packet alert.
Affected Software
Affected Software
See Vendor advisory.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
See Vendor advisory.