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.

CVSS v3.0 7.8 HIGH
CVSS v2.0 4.6 MEDIUM

7.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

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

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Configurations

Configuration 1 (hide)

cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:14.04::::esm:::
	cpe:2.3:o:canonical:ubuntu_linux:20.04::::lts:::

Information

Published : 2020-09-15 07:15

Updated : 2022-10-07 07:07

NVD link : CVE-2020-14345

Mitre link : CVE-2020-14345

JSON object : View

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

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Products Affected

x.org

x_server

canonical

ubuntu_linux

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