7.8

CVE-2020-14345

A flaw was found in X.Org Server before xorg-x11-server 1.20.9. An Out-Of-Bounds access in XkbSetNames function may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
X.Org ≫ X Server Version < 1.20.9
Canonical ≫ Ubuntu Linux Version14.04 SwEditionesm
Canonical ≫ Ubuntu Linux Version16.04 SwEditionlts
Canonical ≫ Ubuntu Linux Version18.04 SwEditionlts
Canonical ≫ Ubuntu Linux Version20.04 SwEditionlts
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.59% 0.44
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 4.6 3.9 6.4
AV:L/AC:L/Au:N/C:P/I:P/A:P
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

https://security.gentoo.org/glsa/202012-01
Third Party Advisory
https://usn.ubuntu.com/4488-2/
Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/01/15/1
Third Party Advisory
Mailing List
https://bugzilla.redhat.com/show_bug.cgi?id=1862241
Third Party Advisory
Issue Tracking
https://lists.x.org/archives/xorg-announce/2020-August/003058.html
Vendor Advisory
https://usn.ubuntu.com/4490-1/
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-1416/
Third Party Advisory
VDB Entry