CVE-2022-48422 : Vulnerability Insights and Analysis

This article provides detailed information about CVE-2022-48422, a vulnerability found in ONLYOFFICE Docs through version 7.3 on certain Linux distributions.

Understanding CVE-2022-48422

CVE-2022-48422 allows local users to gain privileges by exploiting a specific vulnerability in ONLYOFFICE Docs on Linux distributions.

What is CVE-2022-48422?

CVE-2022-48422 is a security flaw in ONLYOFFICE Docs that enables local users to elevate their privileges using a malicious libgcc_s.so.1 file located in the working directory.

The Impact of CVE-2022-48422

The impact of CVE-2022-48422 is significant as it can be exploited by attackers with access to the system to gain elevated privileges, potentially leading to unauthorized actions and data compromise.

Technical Details of CVE-2022-48422

This section outlines the technical aspects of the CVE-2022-48422 vulnerability.

Vulnerability Description

The vulnerability exists in ONLYOFFICE Docs through version 7.3 on specific Linux distributions, allowing local users to escalate privileges through a manipulated libgcc_s.so.1 file.

Affected Systems and Versions

ALL versions of ONLYOFFICE Docs up to version 7.3 on certain Linux distributions are affected by CVE-2022-48422.

Exploitation Mechanism

Local users can exploit this vulnerability by placing a malicious libgcc_s.so.1 file in the current working directory where an ONLYOFFICE document is stored.

Mitigation and Prevention

To mitigate the risks associated with CVE-2022-48422, follow these guidelines.

Immediate Steps to Take

Avoid executing ONLYOFFICE Docs with untrusted files in the working directory.
Implement strict file permission controls to limit access.

Long-Term Security Practices

Regularly update ONLYOFFICE Docs to the latest secure version.
Educate users about the risks of executing files from untrusted sources.

Patching and Updates

Stay informed about security updates for ONLYOFFICE Docs and promptly apply patches released by the vendor.