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

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Main Vulnerability Database Vulnerabilities #VU8136

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

Published: September 7, 2017 / Updated: June 11, 2021


Vulnerability identifier: #VU8136
CSH Severity: Low
CVSS v4: 5.1 [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]
CVE-ID: CVE-2017-5120
CWE-ID: CWE-300
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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.

Affected software

Google Chrome
Arch Linux
Gentoo Linux
Debian Linux
Red Hat Enterprise Linux for x86_64
Fedora
chromium

How to mitigate CVE-2017-5120

Update to version 61.0.

Google Chrome - update to 61.0.3163.79
chromium - addressed in versions 61.0.3163.100-1.el7, 61.0.3163.100-1.fc25, 61.0.3163.100-1.fc26, 61.0.3163.100-1.fc27, 62.0.3202.75-1.fc25, 62.0.3202.89-1.fc25

External References

Related Security Bulletins