CVE-2021-41146

2021-10-2100:00:00

ubuntu.com

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

0.003 Low

EPSS

Percentile

69.9%

JSON

qutebrowser is an open source keyboard-focused browser with a minimal GUI.
Starting with qutebrowser v1.7.0, the Windows installer for qutebrowser
registers a qutebrowserurl: URL handler. With certain applications,
opening a specially crafted qutebrowserurl:... URL can lead to execution
of qutebrowser commands, which in turn allows arbitrary code execution via
commands such as :spawn or :debug-pyeval. Only Windows installs where
qutebrowser is registered as URL handler are affected. The issue has been
fixed in qutebrowser v2.4.0. The fix also adds additional hardening for
potential similar issues on Linux (by adding the new --untrusted-args flag
to the .desktop file), though no such vulnerabilities are known.