• CVE-2023-0494

发布时间: 2023年5月27日

修改时间: 2023年5月27日

概要

A vulnerability was found in X.Org. This issue occurs due to a dangling pointer in DeepCopyPointerClasses that can be exploited by ProcXkbSetDeviceInfo() and ProcXkbGetDeviceInfo() to read and write into freed memory. This can lead to local privilege elevation on systems where the X server runs privileged and remote code execution for ssh X forwarding sessions.

CVSS v3 指标

NVD openEuler
CVSS评分 7.8 7.8
Attack Vector Local Local
Attack Complexity Low Low
Privileges Required Low Low
User Interaction None None
Scope Unchanged Unchanged
Confidentiality High High
Integrity High High
Availability High High

安全公告

公告名 概要 发布时间
KylinSec-SA-2023-1361 A vulnerability was found in X.Org. This issue occurs due to a dangling pointer in DeepCopyPointerClasses that can be exploited by ProcXkbSetDeviceInfo() and ProcXkbGetDeviceInfo() to read and write into freed memory. This can lead to local privilege elevation on systems where the X server runs privileged and remote code execution for ssh X forwarding sessions. 2023年5月27日

影响产品

产品 状态
KY3.4-4A tigervnc Unaffected
KY3.4-5 tigervnc Unaffected
KY3.5.1 tigervnc Unaffected
KY3.5.2 tigervnc Unaffected