CVE-2023-28503 Authentication bypass in UniRPC's udadmin service

Critical 9.8 Published Updated

Attackers can bypass authentication using a hardcoded credential to execute OS commands as root on Rocket Software UniData and UniVerse servers.

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-2023-28503?

CVE-2023-28503 is a critical authentication bypass vulnerability in Rocket Software UniData, published on 29 Mar 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Rocket Software UniData versions prior to 8.2.4 build 3003 and UniVerse versions prior to 11.3.5 build 1001 or 12.2.1 build 2002 suffer from an authentication bypass vulnerability, where a special username with a deterministic password can be leveraged to bypass authentication checks and execute OS commands as the root user.

Weakness: CWE-287, CWE-798

Which versions are affected by CVE-2023-28503?

It affects 2 products.

Products include Rocketsoftware Unidata, Rocketsoftware Universe.

How do I fix CVE-2023-28503?

No fix has been published for CVE-2023-28503 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-2023-28503 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-28503 exists.

Public exploit code: 1 Metasploit module.

Sources

Also known as GHSA-g594-6376-7c5r.

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