CVE-2018-1162 Path traversal in Quest NetVault Backup

High 8.1 Published 8 Feb 2018 Updated 5 Aug 2024

Remote attackers can bypass authentication and overwrite files via path traversal in Export requests, causing denial of service in Quest NetVault Backup.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-1162?

CVE-2018-1162 is a high-severity path traversal vulnerability in Quest NetVault Backup, published on 8 Feb 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

This vulnerability allows remote attackers to create a denial-of-service condition on vulnerable installations of Quest NetVault Backup 11.2.0.13. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be easily bypassed. The specific flaw exists within the handling of Export requests. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to arbitrarily overwrite files resulting in a denial-of-service condition. Was ZDI-CAN-4222.

Weakness: CWE-22

Which versions are affected by CVE-2018-1162?

It affects 1 product.

Products include Quest Netvault Backup.

How do I fix CVE-2018-1162?

No fix has been published for CVE-2018-1162 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2018-1162 being exploited?

There is no known exploitation of CVE-2018-1162 in the wild and no public exploit code.

Sources

Also known as GHSA-fqp8-3vv8-7r5j.