CVE-2020-14362

A flaw was found in X.Org Server before xorg-x11-server 1.20.9. An Integer underflow leading to heap-buffer overflow 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=1869144	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-20-1419/	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 : 2022-11-03 13:04

NVD link : CVE-2020-14362

Mitre link : CVE-2020-14362

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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