Cisco Content Security Management Appliance Web-based GUI HTTP Request redirect

Summaryinfo

A vulnerability described as problematic has been identified in Cisco Content Security Management Appliance. This issue affects some unknown processing of the component Web-based GUI. Such manipulation as part of HTTP Request leads to redirect. This vulnerability is documented as CVE-2020-3178. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Cisco Content Security Management Appliance (unknown version) and classified as critical. Affected by this issue is an unknown code block of the component Web-based GUI. The manipulation as part of a HTTP Request leads to a redirect vulnerability. Using CWE to declare the problem leads to CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Multiple vulnerabilities in the web-based GUI of Cisco AsyncOS Software for Cisco Content Security Management Appliance (SMA) could allow an unauthenticated, remote attacker to redirect a user to a malicious web page. The vulnerabilities are due to improper input validation of the parameters of an HTTP request. An attacker could exploit these vulnerabilities by intercepting an HTTP request and modifying it to redirect a user to a specific malicious URL. A successful exploit could allow the attacker to redirect a user to a malicious web page or to obtain sensitive browser-based information. This type of attack is commonly referred to as an open redirect attack and is used in phishing attacks to get users to unknowingly visit malicious sites.

The weakness was released 05/06/2020 as cisco-sa-sma-opn-rdrct-yPPMdsM as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is handled as CVE-2020-3178 since 12/12/2019. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1204.001.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

• Cisco

Name

• Content Security Management Appliance

License

• commercial

Website

• Vendor: https://www.cisco.com/

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