CVE-2022-2320

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 v3.0 7.8 HIGH

7.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/938	Patch Third Party Advisory
https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/939	Patch Third Party Advisory
https://github.com/freedesktop/xorg-xserver/commit/dd8caf39e9e15d8f302e54045dd08d8ebf1025dc	Patch Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-963/	Third Party Advisory VDB Entry
https://lists.freedesktop.org/archives/xorg-announce/2022-July/003192.html	Patch Third Party Advisory
https://security.gentoo.org/glsa/202210-30	Third Party Advisory
https://security.netapp.com/advisory/ntap-20221104-0003/	Third Party Advisory

Advertisement

Configurations

Configuration 1 (hide)

cpe:2.3:a:x.org:xorg-server:21.1.0:*:*:*:*:*:*:*

Information

Published : 2022-09-01 14:15

Updated : 2023-02-12 14:15

NVD link : CVE-2022-2320

Mitre link : CVE-2022-2320

JSON object : View

CWE

CWE-787

Out-of-bounds Write

Advertisement

Products Affected

x.org

xorg-server

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/938", "name": "https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/938", "tags": ["Patch", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/939", "name": "https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/939", "tags": ["Patch", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://github.com/freedesktop/xorg-xserver/commit/dd8caf39e9e15d8f302e54045dd08d8ebf1025dc", "name": "https://github.com/freedesktop/xorg-xserver/commit/dd8caf39e9e15d8f302e54045dd08d8ebf1025dc", "tags": ["Patch", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://www.zerodayinitiative.com/advisories/ZDI-22-963/", "name": "https://www.zerodayinitiative.com/advisories/ZDI-22-963/", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "MISC"}, {"url": "https://lists.freedesktop.org/archives/xorg-announce/2022-July/003192.html", "name": "https://lists.freedesktop.org/archives/xorg-announce/2022-July/003192.html", "tags": ["Patch", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://security.gentoo.org/glsa/202210-30", "name": "GLSA-202210-30", "tags": ["Third Party Advisory"], "refsource": "GENTOO"}, {"url": "https://security.netapp.com/advisory/ntap-20221104-0003/", "name": "https://security.netapp.com/advisory/ntap-20221104-0003/", "tags": ["Third Party Advisory"], "refsource": "CONFIRM"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-787"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2022-2320", "ASSIGNER": "secalert@redhat.com"}}, "impact": {"baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}}, "publishedDate": "2022-09-01T21:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:x.org:xorg-server:21.1.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2023-02-12T22:15Z"}