#VU8136 Man-in-the-middle attack in Google Chrome - CVE-2017-5120

Vulnerability identifier: #VU8136

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-5120

CWE-ID: CWE-300

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Google Chrome
Client/Desktop applications / Web browsers

Vendor: Google

Description
The vulnerability allows a remote attacker to conduct a man-in-the-middle attack.

The weakness exists due to potential HTTPS downgrade during redirect navigation. A remote attacker can trick the victim into visiting a specially crafted website and use man-in-the-middle techniques to read and modify arbitrary data on the system.

Mitigation
Update to version 61.0.

Vulnerable software versions

Google Chrome: 58.0.3029.96 - 60.0.3112.113

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External links
https://chromereleases.googleblog.com/2017/09/stable-channel-update-for-desktop.html

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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.