CVE-2023-34616 pbjson vulnerable to stack exhaustion

High 7.5 Published Updated

Attackers can cause denial of service in pbjson library by submitting crafted objects with cyclic dependencies.

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-2023-34616?

CVE-2023-34616 is a high-severity denial of service vulnerability in n/a, published on 14 Jun 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered pbjson thru 0.4.0 allows attackers to cause a denial of service or other unspecified impacts via crafted object that uses cyclic dependencies.

Weakness: CWE-787

Which versions are affected by CVE-2023-34616?

2 open source packages ship an affected version, including com.progsbase.libraries:JSON. It affects 1 product.

PackageAffectedFixed in
com.progsbase.libraries:JSON MavenAll versions to 0.4.0None
com.progsbase.libraries:JSON MavenAll versions to 0.4.0None

Products include Pbjson Project Pbjson.

How do I fix CVE-2023-34616?

No fix has been published for CVE-2023-34616 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2023-34616 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-34616 exists.

Sources

Also known as GHSA-p4c9-x742-qh8c.

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