CVE-2019-4236 Missing authorization in Spectrum Protect

Medium 5.1 Published 22 Jul 2019 Updated 16 Sep 2024

Local attackers can restore files with incorrect ACLs, potentially bypassing access controls and reading restricted data.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2019-4236?

CVE-2019-4236 is a medium-severity missing authorization vulnerability in IBM Spectrum Protect, published on 22 Jul 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A IBM Spectrum Protect 7.l client backup or archive operation running for an HP-UX VxFS object is silently skipping Access Control List (ACL) entries from backup or archive if there are more than twelve ACL entries associated with the object in total. As a result, it could allow a local attacker to restore or retrieve the object with incorrect ACL entries. IBM X-Force ID: 159418.

Weakness: CWE-19

Which versions are affected by CVE-2019-4236?

It affects 1 product.

Products include Ibm Spectrum Protect.

How do I fix CVE-2019-4236?

No fix has been published for CVE-2019-4236 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2019-4236 being exploited?

There is no known exploitation of CVE-2019-4236 in the wild and no public exploit code.

Sources

Also known as GHSA-f96f-9h35-fcwv.