CVE-2016-2312
published 2016-12-23CVE-2016-2312: Turning all screens off in Plasma-workspace and kscreenlocker while the lock screen is shown can result in the screen being unlocked when turning a screen on…
PriorityP422medium6.8CVSS 3.0
AVPACLPRNUINSUCHIHAH
EPSS
0.44%
36.5th percentile
Turning all screens off in Plasma-workspace and kscreenlocker while the lock screen is shown can result in the screen being unlocked when turning a screen on again.
Affected
10 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | plasma-workspace | < plasma-workspace 4:5.4.3-2 (bookworm) | plasma-workspace 4:5.4.3-2 (bookworm) |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| kde | kscreenlocker | <= 5.5.4 | — |
| kde | plasma-workspace | <= 5.4.3 | — |
| kde | plasma-workspace | >= 0 < 4:5.4.3-2 | 4:5.4.3-2 |
| kde | plasma-workspace | >= 0 < 4:5.4.3-2 | 4:5.4.3-2 |
| kde | plasma-workspace | >= 0 < 4:5.4.3-2 | 4:5.4.3-2 |
| kde | plasma-workspace | >= 0 < 4:5.4.3-2 | 4:5.4.3-2 |
| opensuse | leap | — | — |
CVSS provenance
nvdv3.06.8MEDIUMCVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.04.6MEDIUMAV:L/AC:L/Au:N/C:P/I:P/A:P
osv6.8MEDIUM
vendor_debian6.8MEDIUM
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Debian
CVE-2016-2312: plasma-workspace - Turning all screens off in Plasma-workspace and kscreenlocker while the lock scr...
vendor_debian·2016·CVSS 6.8
CVE-2016-2312 [MEDIUM] CVE-2016-2312: plasma-workspace - Turning all screens off in Plasma-workspace and kscreenlocker while the lock scr...
Turning all screens off in Plasma-workspace and kscreenlocker while the lock screen is shown can result in the screen being unlocked when turning a screen on again.
Scope: local
bookworm: resolved (fixed in 4:5.4.3-2)
bullseye: resolved (fixed in 4:5.4.3-2)
forky: resolved (fixed in 4:5.4.3-2)
sid: resolved (fixed in 4:5.4.3-2)
trixie: resolved (fixed in 4:5.4.3-2)
GHSA
GHSA-pwf3-h35x-h5rg: Turning all screens off in Plasma-workspace and kscreenlocker while the lock screen is shown can result in the screen being unlocked when turning a sc
ghsa_unreviewed·2022-05-14
CVE-2016-2312 [MEDIUM] GHSA-pwf3-h35x-h5rg: Turning all screens off in Plasma-workspace and kscreenlocker while the lock screen is shown can result in the screen being unlocked when turning a sc
Turning all screens off in Plasma-workspace and kscreenlocker while the lock screen is shown can result in the screen being unlocked when turning a screen on again.
OSV
CVE-2016-2312: Turning all screens off in Plasma-workspace and kscreenlocker while the lock screen is shown can result in the screen being unlocked when turning a sc
osv·2016-12-23·CVSS 6.8
CVE-2016-2312 [MEDIUM] CVE-2016-2312: Turning all screens off in Plasma-workspace and kscreenlocker while the lock screen is shown can result in the screen being unlocked when turning a sc
Turning all screens off in Plasma-workspace and kscreenlocker while the lock screen is shown can result in the screen being unlocked when turning a screen on again.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2016-2312 plasma-workspace: kscreenlocker: Lock screen bypass [fedora-all]
bugzilla·2016-02-10·CVSS 6.8
CVE-2016-2312 [MEDIUM] CVE-2016-2312 plasma-workspace: kscreenlocker: Lock screen bypass [fedora-all]
CVE-2016-2312 plasma-workspace: kscreenlocker: Lock screen bypass [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of Fedora.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple supported versions of
Bugzilla
CVE-2016-2312 plasma-workspace, kscreenlocker: Lock screen bypass
bugzilla·2016-02-10·CVSS 6.8
CVE-2016-2312 [MEDIUM] CVE-2016-2312 plasma-workspace, kscreenlocker: Lock screen bypass
CVE-2016-2312 plasma-workspace, kscreenlocker: Lock screen bypass
It was found that turning all screens off while the lock screen is shown can result in the screen being unlocked when turning a screen on again. An unauthorized user might gain access to a locked system. Physical access to the hardware is required.
External Reference:
https://www.kde.org/info/security/advisory-20160209-1.txt
CVE assignment:
http://seclists.org/oss-sec/2016/q1/300
Discussion:
Created kscreenlocker tracking bugs for this issue:
Affects: fedora-all [bug 1306295]
---
Created plasma-workspace tracking bugs for this issue:
Affects: fedora-all [bug 1306294]
---
kscreenlocker-5.5.4-3.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug re
Bugzilla
CVE-2016-2312 plasma-workspace: kscreenlocker: Lock screen bypass [fedora-all]
bugzilla·2016-02-10·CVSS 6.8
CVE-2016-2312 [MEDIUM] CVE-2016-2312 plasma-workspace: kscreenlocker: Lock screen bypass [fedora-all]
CVE-2016-2312 plasma-workspace: kscreenlocker: Lock screen bypass [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of Fedora.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple supported versions of
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177454.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2016-February/177557.htmlhttps://bugs.kde.org/show_bug.cgi?id=358125https://bugzilla.opensuse.org/show_bug.cgi?id=964548https://www.kde.org/info/security/advisory-20160209-1.txthttp://lists.fedoraproject.org/pipermail/package-announce/2016-February/177454.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2016-February/177557.htmlhttps://bugs.kde.org/show_bug.cgi?id=358125https://bugzilla.opensuse.org/show_bug.cgi?id=964548https://www.kde.org/info/security/advisory-20160209-1.txt
2016-12-23
Published