Vulnerability in Apple macOS
CVE-2017-5120
Inappropriate use of www mismatch redirects in browser navigation in Google Chrome prior to 61.0.3163.79 for Mac, Windows, and Linux, and 61.0.3163.81 for Android, allowed a remote attacker to potentially downgrade HTTPS requests to HTTP via a crafted HTML page. In other words, Chrome could transmit cleartext even though the user had entered an https URL, because of a misdesigned workaround for cases where the domain name in a URL almost matches the domain name in an X.509 server certificate (but differs in the initial "www." substring).
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.011 (64.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: -0.000
Affected products
- Apple macOS
- Google Android
- Google Chrome
- Linux Kernel
- Microsoft Windows
- Debian Linux — versions 9.0, 10.0
- Red Hat Enterprise Linux Desktop — versions 6.0
- Red Hat Enterprise Linux Server — versions 6.0
- Red Hat Enterprise Linux Workstation — versions 6.0
- Google Chrome Prior To 61.0.3163.79 For Mac, Windows And Linux, 61.0.3163.81 Android — versions Google Chrome prior to 61.0.3163.79 for Mac, Windows and Linux, and 61.0.3163.81 for Android
References
- crbug.com/718676
- security.gentoo.org/glsa/201709-15 (vendor-advisory)
- access.redhat.com/errata/RHSA-2017:2676 (vendor-advisory)
- www.securitytracker.com/id/1039291 (vdb-entry)
- www.securityfocus.com/bid/100610 (vdb-entry)
- www.debian.org/security/2017/dsa-3985 (vendor-advisory)
- chromereleases.googleblog.com/2017/09/stable-channel-update-for-desktop.html
Frequently asked questions
- What is CVE-2017-5120?
- CVE-2017-5120 is a medium-severity vulnerability in Apple macOS. CVSS score: 6.5/10. Published 2017-10-27.
- How severe is CVE-2017-5120?
- Medium severity. CVSS v3 base score is 6.5 out of 10.