CVE-2021-4011
HIGH
7,8
Source: [email protected]
Attack Vector: local
Attack Complexity: low
Privileges Required: low
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
HIGH
7,2
Source: [email protected]
Access Vector: local
Access Complexity: low
Authentication: none
Confidentiality: complete
Integrity: complete
Availability: complete
Description
AI Translation Available
A flaw was found in xorg-x11-server in versions before 21.1.2 and before 1.20.14. An out-of-bounds access can occur in the SwapCreateRegister function. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
EPSS (Exploit Prediction Scoring System)
Trend Analysis
EPSS (Exploit Prediction Scoring System)
Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.
EPSS Score
0,0010
Percentile
0,3th
Updated
EPSS Score Trend (Last 90 Days)
119
Improper Restriction of Operations within the Bounds of a Memory Buffer
StableCommon Consequences
Security Scopes Affected:
Integrity
Confidentiality
Availability
Potential Impacts:
Execute Unauthorized Code Or Commands
Modify Memory
Read Memory
Dos: Crash, Exit, Or Restart
Dos: Resource Consumption (Cpu)
Dos: Resource Consumption (Memory)
Applicable Platforms
Languages:
Assembly, C, C++, Memory-Unsafe
Application
X Server by X.Org
CPE Identifier
View Detailed Analysis
cpe:2.3:a:x.org:x_server:21.1.1:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Debian Linux by Debian
CPE Identifier
View Detailed Analysis
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application
X Server by X.Org
Version Range Affected
To
1.20.14
(exclusive)
CPE Identifier
View Detailed Analysis
cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application
X Server by X.Org
CPE Identifier
View Detailed Analysis
cpe:2.3:a:x.org:x_server:21.1.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Fedora by Fedoraproject
CPE Identifier
View Detailed Analysis
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Fedora by Fedoraproject
CPE Identifier
View Detailed Analysis
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Debian Linux by Debian
CPE Identifier
View Detailed Analysis
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Debian Linux by Debian
CPE Identifier
View Detailed Analysis
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://lists.debian.org/debian-lts-announce/2021/12/msg00035.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://lists.x.org/archives/xorg-announce/2021-December/003122.html
https://lists.x.org/archives/xorg-announce/2021-December/003124.html
https://security.gentoo.org/glsa/202305-30
https://security.netapp.com/advisory/ntap-20220114-0004/
https://www.debian.org/security/2021/dsa-5027
https://www.zerodayinitiative.com/advisories/ZDI-21-1550/
https://lists.debian.org/debian-lts-announce/2021/12/msg00035.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://lists.x.org/archives/xorg-announce/2021-December/003122.html
https://lists.x.org/archives/xorg-announce/2021-December/003124.html
https://security.gentoo.org/glsa/202305-30
https://security.netapp.com/advisory/ntap-20220114-0004/
https://www.debian.org/security/2021/dsa-5027
https://www.zerodayinitiative.com/advisories/ZDI-21-1550/