Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Informations
Name CVE-2020-14363 First vendor Publication 2020-09-11
Vendor Cve Last vendor Modification 2023-11-07

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 7.8
Base Score 7.8 Environmental Score 7.8
impact SubScore 5.9 Temporal Score 7.8
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 4.6 Attack Range Local
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

An integer overflow vulnerability leading to a double-free was found in libX11. This flaw allows a local privileged attacker to cause an application compiled with libX11 to crash, or in some cases, result in arbitrary code execution. The highest threat from this flaw is to confidentiality, integrity as well as system availability.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14363

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-190 Integer Overflow or Wraparound (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 36
Os 1

Sources (Detail)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
Source Url
CONFIRM https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14363
MISC https://github.com/Ruia-ruia/Exploits/blob/master/DFX11details.txt
https://github.com/Ruia-ruia/Exploits/blob/master/x11doublefree.sh
https://lists.x.org/archives/xorg-announce/2020-August/003056.html
UBUNTU https://usn.ubuntu.com/4487-2/

Alert History

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Date Informations
2023-11-07 21:36:50
  • Multiple Updates
2022-10-20 01:49:07
  • Multiple Updates
2021-11-04 21:23:19
  • Multiple Updates
2021-05-04 13:48:56
  • Multiple Updates
2021-04-22 02:58:18
  • Multiple Updates
2020-10-01 00:22:50
  • Multiple Updates
2020-09-26 00:22:47
  • Multiple Updates
2020-09-17 21:23:13
  • Multiple Updates
2020-09-16 05:22:49
  • Multiple Updates
2020-09-12 05:22:49
  • Multiple Updates
2020-09-12 00:22:52
  • First insertion