CVE-2022-42308 : Security Advisory and Response

An issue was discovered in Veritas NetBackup through 8.2 and related Veritas products. An attacker with local access can delete arbitrary files by leveraging a path traversal in the pbx_exchange registration code.

Understanding CVE-2022-42308

This CVE describes a vulnerability in Veritas NetBackup that allows an attacker with local access to delete arbitrary files through a path traversal exploit.

What is CVE-2022-42308?

CVE-2022-42308 is a critical vulnerability in Veritas NetBackup and related products that can be exploited by an attacker to delete files by manipulating the path traversal in the pbx_exchange registration code.

The Impact of CVE-2022-42308

The impact of this vulnerability is considered critical with a CVSS base score of 9.0. It poses a high availability impact and high integrity impact, allowing attackers to delete files without requiring any special privileges.

Technical Details of CVE-2022-42308

This section provides more insight into the vulnerability details.

Vulnerability Description

The vulnerability allows attackers with local access to delete arbitrary files using a path traversal technique in the pbx_exchange registration code.

Affected Systems and Versions

Veritas NetBackup versions up to 8.2 and related Veritas products are affected by this vulnerability.

Exploitation Mechanism

The attacker needs to have local access to the system to exploit this vulnerability by manipulating the path traversal in the pbx_exchange registration code.

Mitigation and Prevention

To secure your systems from CVE-2022-42308, follow these recommendations.

Immediate Steps to Take

Apply security patches provided by Veritas to fix the vulnerability.
Restrict access to critical systems to authorized personnel only.

Long-Term Security Practices

Regularly update and patch your Veritas NetBackup software to protect against known vulnerabilities.
Implement the principle of least privilege to restrict unnecessary access.

Patching and Updates

Keep track of security advisories from Veritas and apply patches as soon as they are released to stay protected against potential threats.