CVE-2020-14346

A flaw was found in xorg-x11-server before 1.20.9. An integer underflow in the X input extension protocol decoding in the X server may lead to arbitrary access of memory contents. 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=1862246	Issue Tracking Third Party Advisory
https://lists.x.org/archives/xorg-announce/2020-August/003058.html	Mailing List Patch Vendor 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-20-1417/	Third Party Advisory VDB Entry

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Configurations

Configuration 1 (hide)

cpe:2.3:a:x.org:xorg-server:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:redhat:enterprise_linux:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux:6.0:::::::*
	cpe:2.3:o:canonical:ubuntu_linux:14.04::::esm:::
	cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*

Information

Published : 2020-09-15 12:15

Updated : 2022-11-08 12:04

NVD link : CVE-2020-14346

Mitre link : CVE-2020-14346

JSON object : View

CWE

CWE-191

Integer Underflow (Wrap or Wraparound)

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Products Affected

canonical

ubuntu_linux

x.org

xorg-server

redhat

enterprise_linux

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