CVE-2020-25712
published 2022-03-25CVE-2020-25712: A flaw was found in Caribou due to a regression of CVE-2020-25712 fix. An attacker could use this flaw to bypass screen-locking applications that leverage…
PriorityP339high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.34%
25.8th percentile
A flaw was found in Caribou due to a regression of CVE-2020-25712 fix. An attacker could use this flaw to bypass screen-locking applications that leverage Caribou as an input mechanism. The highest threat from this vulnerability is to system availability.
Affected
13 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | caribou | < caribou 0.4.21-7.1 (bookworm) | caribou 0.4.21-7.1 (bookworm) |
| debian | xorg-server | < xorg-server 2:1.20.10-1 (bookworm) | xorg-server 2:1.20.10-1 (bookworm) |
| gnome | caribou | < 0.4.21 | 0.4.21 |
| gnome | caribou | >= 0 < 0.4.21-7.1 | 0.4.21-7.1 |
| gnome | caribou | >= 0 < 0.4.21-7.1 | 0.4.21-7.1 |
| gnome | caribou | >= 0 < 0.4.21-7.1 | 0.4.21-7.1 |
| gnome | caribou | >= 0 < 0.4.21-7.1 | 0.4.21-7.1 |
| redhat | enterprise_linux | — | — |
| x.org | x_server | < 1.20.10 | 1.20.10 |
| x.org | xorg-server | >= 0 < 2:1.20.10-1 | 2:1.20.10-1 |
| x.org | xorg-server | >= 0 < 2:1.20.10-1 | 2:1.20.10-1 |
| x.org | xorg-server | >= 0 < 2:1.20.10-1 | 2:1.20.10-1 |
| x.org | xorg-server | >= 0 < 2:1.20.10-1 | 2:1.20.10-1 |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvdv2.04.6MEDIUMAV:L/AC:L/Au:N/C:P/I:P/A:P
osv7.8HIGH
vendor_debian7.8HIGH
vendor_redhat7.8HIGH
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GHSA
GHSA-93gx-49qx-8f59: A flaw was found in xorg-x11-server before 1
ghsa_unreviewed·2022-05-24
CVE-2020-25712 [HIGH] CWE-122 GHSA-93gx-49qx-8f59: A flaw was found in xorg-x11-server before 1
A flaw was found in xorg-x11-server before 1.20.10. A heap-buffer overflow in XkbSetDeviceInfo may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
GHSA
GHSA-g7cf-5cjw-6ppm: A flaw was found in Caribou due to a regression of CVE-2020-25712 fix
ghsa_unreviewed·2022-03-26·CVSS 7.8
CVE-2021-3567 [HIGH] CWE-20 GHSA-g7cf-5cjw-6ppm: A flaw was found in Caribou due to a regression of CVE-2020-25712 fix
A flaw was found in Caribou due to a regression of CVE-2020-25712 fix. An attacker could use this flaw to bypass screen-locking applications that leverage Caribou as an input mechanism. The highest threat from this vulnerability is to system availability.
OSV
CVE-2021-3567: A flaw was found in Caribou due to a regression of CVE-2020-25712 fix
osv·2022-03-25·CVSS 7.8
CVE-2021-3567 [HIGH] CVE-2021-3567: A flaw was found in Caribou due to a regression of CVE-2020-25712 fix
A flaw was found in Caribou due to a regression of CVE-2020-25712 fix. An attacker could use this flaw to bypass screen-locking applications that leverage Caribou as an input mechanism. The highest threat from this vulnerability is to system availability.
OSV
CVE-2020-25712: A flaw was found in xorg-x11-server before 1
osv·2020-12-15·CVSS 7.8
CVE-2020-25712 [HIGH] CVE-2020-25712: A flaw was found in xorg-x11-server before 1
A flaw was found in xorg-x11-server before 1.20.10. A heap-buffer overflow in XkbSetDeviceInfo may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Red Hat
caribou: segfault on pressing ē since Xorg CVE-2020-25712 fix
vendor_redhat·2021-01-13·CVSS 7.8
CVE-2021-3567 [HIGH] CWE-787 caribou: segfault on pressing ē since Xorg CVE-2020-25712 fix
caribou: segfault on pressing ē since Xorg CVE-2020-25712 fix
A flaw was found in Caribou due to a regression of CVE-2020-25712 fix. An attacker could use this flaw to bypass screen-locking applications that leverage Caribou as an input mechanism. The highest threat from this vulnerability is to system availability.
A flaw was found in Caribou due to a regression of CVE-2020-25712 fix. An attacker could use this flaw to bypass screen-locking applications that leverage Caribou as an input mechanism. The highest threat from this vulnerability is to system availability.
Package: caribou (Red Hat Enterprise Linux 7) - Out of support scope
Debian
CVE-2021-3567: caribou - A flaw was found in Caribou due to a regression of CVE-2020-25712 fix. An attack...
vendor_debian·2021·CVSS 7.8
CVE-2021-3567 [HIGH] CVE-2021-3567: caribou - A flaw was found in Caribou due to a regression of CVE-2020-25712 fix. An attack...
A flaw was found in Caribou due to a regression of CVE-2020-25712 fix. An attacker could use this flaw to bypass screen-locking applications that leverage Caribou as an input mechanism. The highest threat from this vulnerability is to system availability.
Scope: local
bookworm: resolved (fixed in 0.4.21-7.1)
bullseye: resolved (fixed in 0.4.21-7.1)
forky: resolved (fixed in 0.4.21-7.1)
sid: resolved (fixed in 0.4.21-7.1)
trixie: resolved (fixed in 0.4.21-7.1)
Ubuntu
X.Org X Server vulnerabilities
vendor_ubuntu·2020-12-07
CVE-2020-25712 X.Org X Server vulnerabilities
Title: X.Org X Server vulnerabilities
Summary: Several security issues were fixed in X.Org X Server.
USN-4656-1 fixed several vulnerabilities in X.Org. This update provides
the corresponding update for Ubuntu 14.04 ESM.
Original advisory details:
Jan-Niklas Sohn discovered that the X.Org X Server XKB extension
incorrectly handled certain inputs. A local attacker could possibly use
this issue to escalate privileges.
Instructions: After a standard system update you need to reboot your computer to make all
the necessary changes.
Ubuntu
X.Org X Server vulnerabilities
vendor_ubuntu·2020-12-01
CVE-2020-14360 X.Org X Server vulnerabilities
Title: X.Org X Server vulnerabilities
Summary: Several security issues were fixed in X.Org X Server.
Jan-Niklas Sohn discovered that the X.Org X Server XKB extension
incorrectly handled certain inputs. A local attacker could possibly use
this issue to escalate privileges.
Instructions: After a standard system update you need to reboot your computer to make all
the necessary changes.
Red Hat
xorg-x11-server: XkbSetDeviceInfo heap-based buffer overflow privilege escalation vulnerability
vendor_redhat·2020-12-01·CVSS 7.8
CVE-2020-25712 [HIGH] CWE-122 xorg-x11-server: XkbSetDeviceInfo heap-based buffer overflow privilege escalation vulnerability
xorg-x11-server: XkbSetDeviceInfo heap-based buffer overflow privilege escalation vulnerability
A flaw was found in xorg-x11-server before 1.20.10. A heap-buffer overflow in XkbSetDeviceInfo may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
A flaw was found in xorg-x11-server. A heap-buffer overflow in XkbSetDeviceInfo may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Statement: The Xorg server in Red Hat Enterprise Linux 8 does not run with root privileges, thus this flaw has been rated as having a moderate impact on that platform.
Package: xorg-x11-server
Debian
CVE-2020-25712: xorg-server - A flaw was found in xorg-x11-server before 1.20.10. A heap-buffer overflow in Xk...
vendor_debian·2020·CVSS 7.8
CVE-2020-25712 [HIGH] CVE-2020-25712: xorg-server - A flaw was found in xorg-x11-server before 1.20.10. A heap-buffer overflow in Xk...
A flaw was found in xorg-x11-server before 1.20.10. A heap-buffer overflow in XkbSetDeviceInfo may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Scope: local
bookworm: resolved (fixed in 2:1.20.10-1)
bullseye: resolved (fixed in 2:1.20.10-1)
forky: resolved (fixed in 2:1.20.10-1)
sid: resolved (fixed in 2:1.20.10-1)
trixie: resolved (fixed in 2:1.20.10-1)
No detection rules found.
No public exploits indexed.
2022-03-25
Published