CVE-2022-23922 : Vulnerability Insights and Analysis
Learn about CVE-2022-23922 affecting WIN-911 versions 2021 R1 and R2 due to incorrect default permissions, its impact, technical details, and mitigation steps to secure your systems.
This article provides details about CVE-2022-23922, a vulnerability affecting WIN-911 version 2021 R1 and R2 due to incorrect default permissions.
Understanding CVE-2022-23922
CVE-2022-23922 is a vulnerability identified in WIN-911 versions 2021 R1 and R2 that could allow an attacker to locally write files to specific directories and gain elevated permissions during program execution.
What is CVE-2022-23922?
The vulnerability in WIN-911 versions 2021 R1 and R2 stems from a permissions misconfiguration. Attackers exploiting this issue can write files to the Program Announcer directory and escalate permissions upon program execution.
The Impact of CVE-2022-23922
With a CVSS base score of 5.6 (Medium severity), CVE-2022-23922 poses a threat of high integrity impact, low availability impact, and requires user interaction to be exploited. The confidentiality impact is none, with low required privileges.
Technical Details of CVE-2022-23922
Vulnerability Description
The vulnerability arises from incorrect default permissions in WIN-911 versions 2021 R1 and R2, enabling attackers to write files to specific directories, including the Program Announcer directory, and execute code with elevated permissions.
Affected Systems and Versions
WIN-911 versions 2021 R1 (5.21.10) and 2021 R2 (5.21.17) are affected by this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability locally by manipulating file permissions to write files to designated directories, allowing for the elevation of permissions during program execution.
Mitigation and Prevention
Immediate Steps to Take
To address CVE-2022-23922, WIN-911 has released a hotfix that restricts write access for user groups on affected directory subfolders. Users are advised to apply this hotfix promptly.
Long-Term Security Practices
Implementing least privilege access controls, regularly monitoring file permissions, and performing security assessments can help prevent similar vulnerabilities in the future.
Patching and Updates
Stay informed about security updates and patches from WIN-911 to ensure timely mitigation of vulnerabilities like CVE-2022-23922.