CVE-2018-1163 Auth bypass in Quest NetVault Backup

Critical 9.8 Published 8 Feb 2018 Updated 5 Aug 2024

Remote attackers can bypass authentication in Quest NetVault Backup via JSON RPC manipulation, potentially leading to arbitrary code execution as SYSTEM.

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

What is CVE-2018-1163?

CVE-2018-1163 is a critical authentication bypass vulnerability in Quest NetVault Backup, published on 8 Feb 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

This vulnerability allows remote attackers to bypass authentication on vulnerable installations of Quest NetVault Backup 11.2.0.13. The specific flaw exists within JSON RPC Request handling. By setting the checksession parameter to a specific value, it is possible to bypass authentication to critical functions. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-4752.

Weakness: CWE-287

Which versions are affected by CVE-2018-1163?

It affects 1 product.

Products include Quest Netvault Backup.

How do I fix CVE-2018-1163?

No fix has been published for CVE-2018-1163 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2018-1163 being exploited?

There is no known exploitation of CVE-2018-1163 in the wild and no public exploit code.

Sources

Also known as GHSA-4rqj-h9m9-94p6.