CVE-2020-14363
CVSS V2 Medium 4.6
CVSS V3 High 7.8
Description
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.
Overview
- CVE ID
- CVE-2020-14363
- Assigner
- secalert@redhat.com
- Vulnerability Status
- Analyzed
- Published Version
- 2020-09-11T18:15:13
- Last Modified Date
- 2021-11-04T16:10:29
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:x.org:libx11:*:*:*:*:*:*:*:* | 1 | OR | 1.6.12 | |
| cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 4.6
- Severity
- MEDIUM
- Exploitability Score
- 3.9
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 7.8
- Base Severity
- HIGH
- Exploitability Score
- 1.8
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://lists.x.org/archives/xorg-announce/2020-August/003056.html | Vendor Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14363 | Issue Tracking Third Party Advisory |
| https://usn.ubuntu.com/4487-2/ | Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7AVXCQOSCAPKYYHFIJAZ6E2C7LJBTLXF/ | Mailing List Third Party Advisory |
| https://github.com/Ruia-ruia/Exploits/blob/master/x11doublefree.sh | Exploit Third Party Advisory |
| https://github.com/Ruia-ruia/Exploits/blob/master/DFX11details.txt | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-14363 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14363 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:48:22 | Added to TrackCVE | |||
| 2022-12-04 22:33:13 | 2020-09-11T18:15Z | 2020-09-11T18:15:13 | CVE Published Date | updated |
| 2022-12-04 22:33:13 | 2021-11-04T16:10:29 | CVE Modified Date | updated | |
| 2022-12-04 22:33:13 | Analyzed | Vulnerability Status | updated |