Integer Underflow Flaw in X.Org Server Impacting System Integrity
CVE-2020-14362

7.8HIGH

Key Information:

Vendor

X.org

Status
Xorg-x11-server
Vendor
CVE Published:
15 September 2020

What is CVE-2020-14362?

A vulnerability exists in X.Org Server versions before 1.20.9, whereby an integer underflow can lead to a heap-buffer overflow. This may allow an attacker to escalate privileges, posing a significant risk to data confidentiality, integrity, and overall system availability. Users are advised to update to the latest version to mitigate this security risk.

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Deploy the Patch

Affected Version(s)

xorg-x11-server before xorg-x11-server 1.20.9

References

https://lists.x.org/archives/xorg-announce/2020-August/00...
https://bugzilla.redhat.com/show_bug.cgi?id=1869144
https://usn.ubuntu.com/4488-2/
vendor-advisory

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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