Vulnerability identifier: #VU36826

Vulnerability risk: High

CVSSv3.1: 8.3 [AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2018-6677

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
McAfee Web Gateway
Server applications / Remote management servers, RDP, SSH

Vendor: McAfee

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the administrative user interface in McAfee Web Gateway (MWG) MWG 7.8.1.x. A remote authenticated attacker can send a specially crafted HTTP request and authenticated administrator users to gain elevated privileges via unspecified vectors.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

McAfee Web Gateway: 7.8.1.0

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External links
http://www.securityfocus.com/bid/104893
http://kc.mcafee.com/corporate/index?page=content&id=SB10245

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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 Internet.

Is there known malware, which exploits this vulnerability?

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