CVE-2020-11054

Description

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.

How to fix CVE-2020-11054

To remediate CVE-2020-11054, upgrade the affected package to a fixed version below.

• —upgrade to 1.11.1.post1-1 or later
• —upgrade to 1.11.1 or later
• —upgrade to 19f01bb42d02da539446a52a25bb0c1232b86327 or later

Is CVE-2020-11054 being exploited?

Low — EPSS is 0.7%, meaning exploitation activity has not been observed at scale.

Affected packages (3)

• from 0, < 1.11.1.post1-1
• from 0, < 1.11.1
• from 0, < 19f01bb42d02da539446a52a25bb0c1232b86327, < 4020210b193f77cf1785b21717f6ef7c5de5f0f8, < a45ca9c788f648d10cccce2af41405bf25ee2948, < 021ab572a319ca3db5907a33a59774f502b3b975, < d28ed758d077a5bf19ddac4da468f7224114df23, < 6821c236f9ae23adf21d46ce0d56768ac8d0c467, < 9bd1cf585fccdfe8318fff7af793730e74a04db3, < f5d801251aa5436aff44660c87d7013e29ac5864, < 2281a205c3e70ec20f35ec8fafecee0d5c4f3478, < 1b7946ed14b386a24db050f2d6dba81ba6518755 | from 0, < 1.11.0

CVSS scores

References (22)

• ADVISORYnvd.nist.gov/vuln/detail/CVE-2020-11054
• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2020-11054
• PATCHgithub.com/qutebrowser/qutebrowser
• WEBbugs.kde.org/show_bug.cgi?id=420902
• WEB