CVE-2023-47320 Broken access control in Silverpeas

High 8.1 Published Updated

Low-privilege attackers can trigger maintenance mode, causing denial of service for all users in Silverpeas Core.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2023-47320?

CVE-2023-47320 is a high-severity missing authorization vulnerability in n/a, published on 13 Dec 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Silverpeas Core 6.3.1 is vulnerable to Incorrect Access Control. An attacker with low privileges is able to execute the administrator-only function of putting the application in "Maintenance Mode" due to broken access control. This makes the application unavailable to all users. This affects Silverpeas Core 6.3.1 and below.

Weakness: CWE-863

Which versions are affected by CVE-2023-47320?

4 open source packages ship an affected version, including org.silverpeas.core:silverpeas-core-war and org.silverpeas.core:silverpeas-core-web. It affects 1 product.

PackageAffectedFixed in
org.silverpeas.core:silverpeas-core-war MavenAll versions6.3.2
org.silverpeas.core:silverpeas-core-war MavenAll versions6.3.2
org.silverpeas.core:silverpeas-core-web MavenAll versions6.3.2
org.silverpeas.core:silverpeas-core-web MavenAll versions6.3.2

Products include Silverpeas Silverpeas.

How do I fix CVE-2023-47320?

Upgrade org.silverpeas.core:silverpeas-core-war to 6.3.2 or later.

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

Is CVE-2023-47320 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-47320 exists.

Sources

Also known as GHSA-whgv-6j78-5rh2.

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