OSV-2022-1133 Security exception in org.codehaus.janino.Parser.parseAssignmentExpression

Not scored Published

A security exception in the Janino parser can cause a denial of service when processing specific input.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Not stated
Victim action needed
Not needed
Fix
None listed

What is OSV-2022-1133?

OSV-2022-1133 is a denial of service vulnerability in janino, published on 4 Nov 2022.

Official description

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=52971

Crash type: Security exception
Crash state:
org.codehaus.janino.Parser.parseAssignmentExpression
java.base/sun.nio.cs.CESU_8$Encoder.encodeLoop
java.base/java.nio.charset.CharsetEncoder.encode

Which versions are affected by OSV-2022-1133?

1 open source package ship an affected version, including janino.

PackageAffectedFixed in
janino OSS-FuzzAll versionsNone

How do I fix OSV-2022-1133?

No fix has been published for OSV-2022-1133 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 OSV-2022-1133 being exploited?

There is no known exploitation of OSV-2022-1133 in the wild and no public exploit code.

Sources

Is OSV-2022-1133 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free