Improper input validation in Webkitgtk
CVE-2020-13753
The bubblewrap sandbox of WebKitGTK and WPE WebKit, prior to 2.28.3, failed to properly block access to CLONE_NEWUSER and the TIOCSTI ioctl. CLONE_NEWUSER could potentially be used to confuse xdg-desktop-portal, which allows access outside…
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.029 (85.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Webkitgtk
- Wpewebkit Wpe_webkit
- Canonical Ubuntu_linux — versions 18.04, 19.10, 20.04
- Debian Debian_linux — versions 10.0
- Fedoraproject Fedora — versions 31
- Opensuse Leap — versions 15.1
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Patch, x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Mailing List, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
Frequently asked questions
- What is CVE-2020-13753?
- CVE-2020-13753 is a critical-severity vulnerability in Webkitgtk, classified under Improper Input Validation. CVSS score: 10.0/10. Published 2020-07-14.
- How severe is CVE-2020-13753?
- Critical severity. CVSS v3 base score is 10.0 out of 10.
- Is CVE-2020-13753 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.