Vulnerability Name:

CVE-2022-2320 (CCN-230999)

Assigned:2022-07-12
Published:2022-07-12
Updated:2023-02-12
Summary:A flaw was found in the Xorg-x11-server. The specific flaw exists within the handling of ProcXkbSetDeviceInfo requests. The issue results from the lack of proper validation of user-supplied data, which can result in a memory access past the end of an allocated buffer. This flaw allows an attacker to escalate privileges and execute arbitrary code in the context of root.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.8 High (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-787
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2022-2320

Source: XF
Type: UNKNOWN
xorg-cve20222320-priv-esc(230999)

Source: CCN
Type: xorg-xserver GIT Repository
xorg-xserver

Source: secalert@redhat.com
Type: Patch, Third Party Advisory
secalert@redhat.com

Source: secalert@redhat.com
Type: Patch, Third Party Advisory
secalert@redhat.com

Source: secalert@redhat.com
Type: Patch, Third Party Advisory
secalert@redhat.com

Source: secalert@redhat.com
Type: Patch, Third Party Advisory
secalert@redhat.com

Source: CCN
Type: oss-sec Mailing List, Tue, 12 Jul 2022 15:58:15 +0300
Fwd: X.Org Security Advisory: July 12, 2022

Source: secalert@redhat.com
Type: Third Party Advisory
secalert@redhat.com

Source: secalert@redhat.com
Type: Third Party Advisory
secalert@redhat.com

Source: CCN
Type: IBM Security Bulletin 6960213 (Security Guardium)
IBM Security Guardium is affected by an out-of-bounds access issue vulnerability (CVE-2022-2319, CVE-2022-2320)

Source: CCN
Type: Mend Vulnerability Database
CVE-2022-2320

Source: CCN
Type: ZDI-22-963
X.Org Server ProcXkbSetDeviceInfo Out-Of-Bounds Access Local Privilege Escalation Vulnerability

Source: secalert@redhat.com
Type: Third Party Advisory, VDB Entry
secalert@redhat.com

Vulnerable Configuration:Configuration RedHat 1:
  • cpe:/o:redhat:enterprise_linux:7:*:*:*:*:*:*:*
    • Configuration RedHat 2:
  • cpe:/o:redhat:enterprise_linux:7::client:*:*:*:*:*
    • Configuration RedHat 3:
  • cpe:/o:redhat:enterprise_linux:7::computenode:*:*:*:*:*
    • Configuration RedHat 4:
  • cpe:/o:redhat:enterprise_linux:7::server:*:*:*:*:*
    • Configuration RedHat 5:
  • cpe:/o:redhat:enterprise_linux:7::workstation:*:*:*:*:*
    • Configuration RedHat 6:
  • cpe:/a:redhat:enterprise_linux:8:*:*:*:*:*:*:*
    • Configuration RedHat 7:
  • cpe:/a:redhat:enterprise_linux:8::appstream:*:*:*:*:*
    • Configuration RedHat 8:
  • cpe:/a:redhat:enterprise_linux:8::crb:*:*:*:*:*
    • Configuration RedHat 9:
  • cpe:/a:redhat:enterprise_linux:9:*:*:*:*:*:*:*
    • Configuration RedHat 10:
  • cpe:/a:redhat:enterprise_linux:9::appstream:*:*:*:*:*
    • Configuration RedHat 11:
  • cpe:/a:redhat:enterprise_linux:9::crb:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:8072
    P
    		xorg-x11-server-sdk-21.1.4-150500.5.1 on GA media (Moderate)
    2023-06-20
    oval:org.opensuse.security:def:7835
    P
    		xorg-x11-server-21.1.4-150500.5.1 on GA media (Moderate)
    2023-06-12
    oval:com.redhat.rhsa:def:20228222
    P
    		RHSA-2022:8222: xorg-x11-server-Xwayland security update (Moderate)
    2022-11-15
    oval:com.redhat.rhsa:def:20228221
    P
    		RHSA-2022:8221: xorg-x11-server security and bug fix update (Moderate)
    2022-11-15
    oval:com.redhat.rhsa:def:20227583
    P
    		RHSA-2022:7583: xorg-x11-server and xorg-x11-server-Xwayland security and bug fix update (Moderate)
    2022-11-08
    oval:com.redhat.rhsa:def:20225905
    P
    		RHSA-2022:5905: xorg-x11-server security update (Important)
    2022-08-04
    oval:org.opensuse.security:def:125753
    P
    		Security update for xorg-x11-server (Important)
    2022-07-12
    oval:org.opensuse.security:def:5293
    P
    		Security update for xorg-x11-server (Important)
    2022-07-12
    oval:org.opensuse.security:def:576
    P
    		Security update for xorg-x11-server (Important)
    2022-07-12
    oval:org.opensuse.security:def:119254
    P
    		Security update for xorg-x11-server (Important)
    2022-07-12
    oval:org.opensuse.security:def:95262
    P
    		Security update for xorg-x11-server (Important)
    2022-07-12
    oval:org.opensuse.security:def:126917
    P
    		Security update for xorg-x11-server (Important)
    2022-07-12
    oval:org.opensuse.security:def:6095
    P
    		Security update for xorg-x11-server (Important)
    2022-07-12
    oval:org.opensuse.security:def:3632
    P
    		Security update for xorg-x11-server (Important)
    2022-07-12
    oval:org.opensuse.security:def:119445
    P
    		Security update for xorg-x11-server (Important)
    2022-07-12
    oval:org.opensuse.security:def:95330
    P
    		Security update for xorg-x11-server (Important)
    2022-07-12
    oval:org.opensuse.security:def:127314
    P
    		Security update for xorg-x11-server (Important)
    2022-07-12
    oval:org.opensuse.security:def:118759
    P
    		Security update for xorg-x11-server (Important)
    2022-07-12
    oval:org.opensuse.security:def:3700
    P
    		Security update for xorg-x11-server (Important)
    2022-07-12
    oval:org.opensuse.security:def:119630
    P
    		Security update for xorg-x11-server (Important)
    2022-07-12
    oval:org.opensuse.security:def:95426
    P
    		Security update for xorg-x11-server (Important)
    2022-07-12
    oval:org.opensuse.security:def:575
    P
    		Security update for xorg-x11-server (Important)
    2022-07-12
    oval:org.opensuse.security:def:118949
    P
    		Security update for xorg-x11-server (Important)
    2022-07-12
    oval:org.opensuse.security:def:3793
    P
    		Security update for xorg-x11-server (Important)
    2022-07-12
    BACK