Auth bypass in Google Chrome
CVE-2019-5838
Insufficient policy enforcement in extensions API in Google Chrome prior to 75.0.3770.80 allowed an attacker who convinced a user to install a malicious extension to bypass restrictions on file URIs via a crafted Chrome Extension.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.008 (53.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Google Chrome — versions unspecified
- Debian Linux — versions 10.0
- Fedoraproject Fedora — versions 29, 30
- openSUSE Backports — versions sle-15
- openSUSE Leap — versions 15.0, 15.1, 42.3
Weakness classification (CWE)
References
- chromereleases.googleblog.com/2019/06/stable-channel-update-for-desktop.html
- crbug.com/893087
- lists.opensuse.org/opensuse-security-announce/2019-06/msg00085.html (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- www.debian.org/security/2019/dsa-4500 (vendor-advisory)
- seclists.org/bugtraq/2019/Aug/19 (mailing-list)
- security.gentoo.org/glsa/201908-18 (vendor-advisory)
Frequently asked questions
- What is CVE-2019-5838?
- CVE-2019-5838 is a medium-severity vulnerability in Google Chrome, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2019-06-27.
- How severe is CVE-2019-5838?
- Medium severity. CVSS v3 base score is 4.3 out of 10.