Vulnerability identifier: #VU47864

Vulnerability risk: Low

CVSSv3.1: 7.3 [CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2017-6327

CWE-ID: CWE-20

Exploitation vector: Local network

Exploit availability: Yes

Vulnerable software:
Symantec Messaging Gateway
Client/Desktop applications / Antivirus software/Personal firewalls

Vendor: Broadcom

Description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to insufficient validation of user-supplied input. A remote administrator on the local network can execute arbitrary code on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Symantec Messaging Gateway: All versions

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External links
http://seclists.org/fulldisclosure/2017/Aug/28
http://www.securityfocus.com/bid/100135
http://www.exploit-db.com/exploits/42519/
http://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20170810_00

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.