CVE-2017-12303
First published: Thu Nov 16 2017(Updated: )
A vulnerability in the Advanced Malware Protection (AMP) file filtering feature of Cisco AsyncOS Software for Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to bypass a configured AMP file filtering rule. The file types affected are zipped or archived file types. The vulnerability is due to incorrect and different file hash values when AMP scans the file. An attacker could exploit this vulnerability by sending a crafted email file attachment through the targeted device. An exploit could allow the attacker to bypass a configured AMP file filter. Cisco Bug IDs: CSCvf52943.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco AsyncOS | =10.1.1-234 | |
| Cisco AsyncOS | =10.1.1-235 |
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Reference Links
Frequently Asked Questions
What is CVE-2017-12303?
CVE-2017-12303 is a vulnerability in the Advanced Malware Protection (AMP) file filtering feature of Cisco AsyncOS Software for Cisco Web Security Appliance (WSA).
How does CVE-2017-12303 affect Cisco AsyncOS Software?
CVE-2017-12303 allows an unauthenticated, remote attacker to bypass a configured AMP file filtering rule.
What types of file are affected by CVE-2017-12303?
CVE-2017-12303 affects zipped or archived file types.
What is the severity of CVE-2017-12303?
CVE-2017-12303 has a severity rating of medium, with a severity value of 5.3.
How can I fix CVE-2017-12303 in Cisco AsyncOS Software?
To fix CVE-2017-12303, Cisco recommends upgrading to version 10.1.1-236 or later of Cisco AsyncOS Software.
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