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CVE-2020-11054

Published: 7 May 2020

In qutebrowser versions less than 1.11.1, reloading a page with certificate errors shows a green URL. After a certificate error was overridden by the user, qutebrowser displays the URL as yellow (colors.statusbar.url.warn.fg). However, when the affected website was subsequently loaded again, the URL was mistakenly displayed as green (colors.statusbar.url.success_https). While the user already has seen a certificate error prompt at this point (or set content.ssl_strict to false, which is not recommended), this could still provide a false sense of security. This has been fixed in 1.11.1 and 1.12.0. All versions of qutebrowser are believed to be affected, though versions before v0.11.x couldn't be tested. Backported patches for older versions (greater than or equal to 1.4.0 and less than or equal to 1.10.2) are available, but no further releases are planned.

Priority

Low

Cvss 3 Severity Score

3.5

Score breakdown

Status

Package Release Status
qutebrowser
Launchpad, Ubuntu, Debian
bionic Needs triage

eoan Ignored
(end of life)
trusty Does not exist

upstream Needs triage

xenial Does not exist

focal Needs triage

groovy Not vulnerable
(1.11.1.post1-1)
hirsute Not vulnerable
(1.11.1.post1-1)
impish Not vulnerable
(1.11.1.post1-1)
jammy Not vulnerable
(1.11.1.post1-1)
kinetic Not vulnerable
(1.11.1.post1-1)
lunar Not vulnerable
(1.11.1.post1-1)
mantic Not vulnerable
(1.11.1.post1-1)

Severity score breakdown

Parameter Value
Base score 3.5
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Scope Unchanged
Confidentiality Low
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N