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CVE-2020-13753

Status Candidate

Overview

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 the sandbox. TIOCSTI can be used to directly execute commands outside the sandbox by writing to the controlling terminal's input buffer, similar to CVE-2017-5226.

Related Files

Gentoo Linux Security Advisory 202007-11
Posted Jul 27, 2020
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202007-11 - Multiple vulnerabilities have been found in WebKitGTK+, the worst of which could result in the arbitrary execution of code. Versions less than 2.28.3 are affected.

tags | advisory, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2020-13753, CVE-2020-9802, CVE-2020-9803, CVE-2020-9805, CVE-2020-9806, CVE-2020-9807, CVE-2020-9843, CVE-2020-9850
MD5 | 1a26279f73b0b86f45092ec58ea9167a
Ubuntu Security Notice USN-4422-1
Posted Jul 14, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4422-1 - A large number of security issues were discovered in the WebKitGTK Web and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service attacks, and arbitrary code execution.

tags | advisory, remote, web, denial of service, arbitrary, javascript, code execution, xss
systems | linux, ubuntu
advisories | CVE-2020-13753, CVE-2020-9806
MD5 | 1b8543f2c71af096df5e32c7f265fadc
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