CVE-2023-35042: GeoServer RCE due to improper control of generation of code in jai-ext`Jiffle` map algebra language

Quick answers

Is CVE-2023-35042 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2023-35042 being exploited in the wild.

How severe is CVE-2023-35042?

Low severity, with a CVSS score of 3.1, published 12 June 2023.

Which products and versions are affected?

org.geoserver:gs-wfs (Maven) ECOSYSTEM:introduced=0,fixed=2.18.6; org.geoserver:gs-wms (Maven) ECOSYSTEM:introduced=0,fixed=2.18.6; org.geoserver:gs-wps (Maven) ECOSYSTEM:introduced=0,fixed=2.18.6.

Is there a fix for CVE-2023-35042?

Yes. org.geoserver:gs-wfs (Maven): upgrade to 2.18.6 or later; org.geoserver:gs-wms (Maven): upgrade to 2.18.6 or later; org.geoserver:gs-wps (Maven): upgrade to 2.18.6 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

Am I affected by CVE-2023-35042?

Check whether you run org.geoserver:gs-wfs (Maven), org.geoserver:gs-wms (Maven) or org.geoserver:gs-wps (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

• org.geoserver:gs-wfs (Maven): upgrade to 2.18.6 or later

  # set org.geoserver:gs-wfs to 2.18.6 in your pom.xml or build.gradle

• org.geoserver:gs-wms (Maven): upgrade to 2.18.6 or later

  # set org.geoserver:gs-wms to 2.18.6 in your pom.xml or build.gradle

• org.geoserver:gs-wps (Maven): upgrade to 2.18.6 or later

  # set org.geoserver:gs-wps to 2.18.6 in your pom.xml or build.gradle

Affected products

• org.geoserver:gs-wfs (Maven) ECOSYSTEM:introduced=0,fixed=2.18.6
• org.geoserver:gs-wms (Maven) ECOSYSTEM:introduced=0,fixed=2.18.6
• org.geoserver:gs-wps (Maven) ECOSYSTEM:introduced=0,fixed=2.18.6

Identifiers

• CVE-2023-35042
• GHSA-59x6-g4jr-4hxc