Vulnerability identifier: #VU9925

Vulnerability risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-9099

CWE-ID: CWE-601

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Advanced Secure Gateway
Client/Desktop applications / Antivirus software/Personal firewalls
ProxySG
Client/Desktop applications / Antivirus software/Personal firewalls

Vendor: Broadcom

Description
The vulnerability allows a remote attacker to redirect the target user to external websites.

The vulnerability exists due to insufficient sanitization of untrusted input data when performing redirects to external websites. A remote attacker can use a crafted management console URL in a phishing attack to redirect the target user to a malicious web site.

Mitigation
Update to version 6.6.5.13 or 6.7.2.1.

Vulnerable software versions

Advanced Secure Gateway: 6.6 - 6.7

ProxySG: 6.5 - 6.7

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External links
http://www.symantec.com/security-center/network-protection-security-advisories/SA155

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.