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CVE-2020-14361

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Date: September 14, 2020

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.

Language: C

Severity Score

Related Resources (11)

https://nvd.nist.gov/vuln/detail/CVE-2020-14361
https://security-tracker.debian.org/tracker/CVE-2020-14361
https://bugzilla.redhat.com/show_bug.cgi?id=1869142
https://lists.x.org/archives/xorg-announce/2020-August/003058.html
https://www.zerodayinitiative.com/advisories/ZDI-20-1418/
https://security.gentoo.org/glsa/202012-01
https://security.alpinelinux.org/vuln/CVE-2020-14361
https://usn.ubuntu.com/4488-2/
https://access.redhat.com/security/cve/CVE-2020-14361
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-14361
https://www.mend.io/vulnerability-database/CVE-2020-14361

Severity Score

Weakness Type (CWE)

Integer Overflow or Wraparound

CWE-190

Integer Underflow (Wrap or Wraparound)

CWE-191

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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