CVE-2022-36955 : What You Need to Know

A vulnerability has been discovered in Veritas NetBackup that allows an attacker with unprivileged local access to escalate their privileges, impacting multiple versions. Read on to understand the details of CVE-2022-36955.

Understanding CVE-2022-36955

This CVE affects Veritas NetBackup, allowing unauthorized escalation of privileges through specific commands.

What is CVE-2022-36955?

CVE-2022-36955 is a vulnerability in Veritas NetBackup versions 8.0 through 8.1.2, 8.2, 8.3 through 8.3.0.2, 9.x through 9.0.0.1, and 9.1.x through 9.1.0.1, where an attacker can exploit unprivileged local access to elevate their privileges.

The Impact of CVE-2022-36955

The impact of this vulnerability is rated as HIGH, with a CVSS base score of 7.8. It has a significant effect on the confidentiality, integrity, and availability of the affected systems.

Technical Details of CVE-2022-36955

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability allows an attacker with local access to send specific commands that can lead to privilege escalation within Veritas NetBackup.

Affected Systems and Versions

Veritas NetBackup versions 8.0 through 8.1.2, 8.2, 8.3 through 8.3.0.2, 9.x through 9.0.0.1, and 9.1.x through 9.1.0.1 are confirmed to be impacted by this vulnerability.

Exploitation Mechanism

An attacker with unprivileged local access can exploit this vulnerability by sending crafted commands to the NetBackup Client, allowing them to escalate their privileges.

Mitigation and Prevention

Understanding how to mitigate and prevent the exploitation of CVE-2022-36955 is crucial.

Immediate Steps to Take

It is recommended to apply security patches provided by Veritas to address this vulnerability. Additionally, limiting unprivileged access to the NetBackup Client can help reduce the risk of exploitation.

Long-Term Security Practices

Implementing least privilege access policies, regular security audits, and employee training on identifying suspicious activities can enhance the long-term security posture of the organization.

Patching and Updates

Regularly updating Veritas NetBackup to the latest secure versions and staying informed about security advisories from the vendor is key to preventing security incidents.