CVE-2025-23215

PMD is an extensible multilanguage static code analyzer. The passphrase for the PMD and PMD Designer release signing keys are included in jar published to Maven Central. The private key itself is not known to have been compromised itself, but given its passphrase is, it must also be considered potentially compromised. As a mitigation, both compromised keys have been revoked so that no future use of the keys are possible. Note, that the published artifacts in Maven Central under the group id net.sourceforge.pmd are not compromised and the signatures are valid.

PMD is an extensible multilanguage static code analyzer. The passphrase for the PMD and PMD Designer release signing keys are included in jar published to Maven Central. The private key itself is not known to have been compromised itself, but given its passphrase is, it must also be considered potentially compromised. As a mitigation, both compromised keys have been revoked so that no future use of the keys are possible. Note, that the published artifacts in Maven Central under the group id net.sourceforge.pmd are not compromised and the signatures are valid.

### Summary While rebuilding [PMD Designer](https://github.com/pmd/pmd-designer) for Reproducible Builds and digging into issues, I found out that passphrase for `gpg.keyname=0xD0BF1D737C9A1C22` is included in jar published to Maven Central. ### Details See https://github.com/jvm-repo-rebuild/reproducible-central/blob/master/content/net/sourceforge/pmd/pmd-designer/README.md I removed 2 lines from https://github.com/jvm-repo-rebuild/reproducible-central/blob/master/content/net/sourceforge/pmd/pmd-designer/pmd-designer-7.0.0.diffoscope but real content is: ``` ├── net/sourceforge/pmd/util/fxdesigner/designer.properties │ @@ -1,14 +1,12 @@ │ #Properties │ checkstyle.plugin.version=3.3.1 │ checkstyle.version=10.14.0 │ -gpg.keyname=0xD0BF1D737C9A1C22 │ -gpg.passphrase=evicx0nuPfvSVhVyeXpw │ jar.plugin.version=3.3.0 │ -java.version=11.0.22 │ +java.version=11.0.25 │ javadoc.plugin.version=3.6.3 │ jflex-output=/home/runner/work/pmd-designer/pmd-designer/target/generated-sources/jflex │ junit5.version=5.8.2 │ kotest.version=5.5.5 │ kotlin.version=1.7.20 │ local.lib.repo=/home/runner/work/pmd-designer/pmd-designer/lib/mvn-repo │ openjfx.scope=provided ``` ### PoC ``` ./rebuild.sh content/net/sourceforge/pmd/pmd-designer/pmd-designer-7.0.0.buildspec ``` ### Impact After further analysis, the passphrase of the following two keys have been compromised: 1. `94A5 2756 9CAF 7A47 AFCA BDE4 86D3 7ECA 8C2E 4C5B`: PMD Designer (Release Signing Key) <[email protected]> This key has been used since 2019 with the release of [net.sourceforge.pmd:pmd-ui:6.14.0](https://repo.maven.apache.org/maven2/net/sourceforge/pmd/pmd-ui/6.14.0/). The following versions are signed with the same key: 6.16.0, 6.17.0, 6.19.0. 2. `EBB2 41A5 45CB 17C8 7FAC B2EB D0BF 1D73 7C9A 1C22`: PMD Release Signing Key <[email protected]> This key has been used since 2020 with the release of [net.sourceforge.pmd:pmd-ui:6.21.0](https://repo.maven.apache.org/maven2/net/sourceforge/pmd/pmd-ui/6.21.0/) and all the other modules of PMD such as [net.sourceforge.pmd:pmd-core:6.21.0](https://repo.maven.apache.org/maven2/net/sourceforge/pmd/pmd-core/6.21.0/). This key has also been used for PMD 7, for the designer, e.g. [net.sourceforge.pmd:pmd-designer:7.0.0](https://repo.maven.apache.org/maven2/net/sourceforge/pmd/pmd-designer/7.0.0/) and [net.sourceforge.pmd:pmd-core:7.0.0](https://repo.maven.apache.org/maven2/net/sourceforge/pmd/pmd-core/7.0.0/). The versions between 6.21.0 and 7.9.0 are signed with this key. Additionally the key has been used to sign the last release of [PMD Eclipse Plugin 7.9.0.v20241227-1626-r](https://github.com/pmd/pmd-eclipse-plugin/releases/tag/7.9.0.v20241227-1626-r). The keys have been used exclusively for signing artifacts that we published to Maven Central under group id `net.sourceforge.pmd` and once for our pmd-eclipse-plugin. The private key itself is not known to have been compromised itself, but given its passphrase is, it must also be considered potentially compromised. As a mitigation, both compromised keys have been revoked so that no future use of the keys are possible. For future releases of PMD, PMD Designer and PMD Eclipse Plugin we use a new release signing key: `2EFA 55D0 785C 31F9 56F2 F87E A0B5 CA1A 4E08 6838` (PMD Release Signing Key <[email protected]>). Note, that the published artifacts in Maven Central under the group id `net.sourceforge.pmd` are **not** compromised and the signatures are valid. No other past usages of the private key is known to the project and no future use is possible due to the revocation. If anybody finds a past abuse of the private key, please share with us. Note, the module `net.sourceforge.pmd:pmd-ui` has been renamed to `net.sourceforge.pmd:pmd-designer` since PMD 7, so there won't be a fixed version for `pmd-ui`. ### Fixes * Reworked build script in PMD Designer to not include all system properties * https://github.com/pmd/pmd-designer/commit/1548f5f27ba2981b890827fecbd0612fa70a0362 * https://github.com/pmd/pmd-designer/commit/e87a45312753ec46b3e5576c6f6ac1f7de2f5891 ### References * [GHSA-88m4-h43f-wx84](https://github.com/pmd/pmd/security/advisories/GHSA-88m4-h43f-wx84) * [CVE-2025-23215](https://www.cve.org/CVERecord?id=CVE-2025-23215) * [reproducible-central](https://github.com/jvm-repo-rebuild/reproducible-central?tab=readme-ov-file#reproducible-builds-for-maven-central-repository)

### Summary While rebuilding [PMD Designer](https://github.com/pmd/pmd-designer) for Reproducible Builds and digging into issues, I found out that passphrase for `gpg.keyname=0xD0BF1D737C9A1C22` is included in jar published to Maven Central. ### Details See https://github.com/jvm-repo-rebuild/reproducible-central/blob/master/content/net/sourceforge/pmd/pmd-designer/README.md I removed 2 lines from https://github.com/jvm-repo-rebuild/reproducible-central/blob/master/content/net/sourceforge/pmd/pmd-designer/pmd-designer-7.0.0.diffoscope but real content is: ``` ├── net/sourceforge/pmd/util/fxdesigner/designer.properties │ @@ -1,14 +1,12 @@ │ #Properties │ checkstyle.plugin.version=3.3.1 │ checkstyle.version=10.14.0 │ -gpg.keyname=0xD0BF1D737C9A1C22 │ -gpg.passphrase=evicx0nuPfvSVhVyeXpw │ jar.plugin.version=3.3.0 │ -java.version=11.0.22 │ +java.version=11.0.25 │ javadoc.plugin.version=3.6.3 │ jflex-output=/home/runner/work/pmd-designer/pmd-designer/target/generated-sources/jflex │ junit5.version=5.8.2 │ kotest.version=5.5.5 │ kotlin.version=1.7.20 │ local.lib.repo=/home/runner/work/pmd-designer/pmd-designer/lib/mvn-repo │ openjfx.scope=provided ``` ### PoC ``` ./rebuild.sh content/net/sourceforge/pmd/pmd-designer/pmd-designer-7.0.0.buildspec ``` ### Impact After further analysis, the passphrase of the following two keys have been compromised: 1. `94A5 2756 9CAF 7A47 AFCA BDE4 86D3 7ECA 8C2E 4C5B`: PMD Designer (Release Signing Key) <[email protected]> This key has been used since 2019 with the release of [net.sourceforge.pmd:pmd-ui:6.14.0](https://repo.maven.apache.org/maven2/net/sourceforge/pmd/pmd-ui/6.14.0/). The following versions are signed with the same key: 6.16.0, 6.17.0, 6.19.0. 2. `EBB2 41A5 45CB 17C8 7FAC B2EB D0BF 1D73 7C9A 1C22`: PMD Release Signing Key <[email protected]> This key has been used since 2020 with the release of [net.sourceforge.pmd:pmd-ui:6.21.0](https://repo.maven.apache.org/maven2/net/sourceforge/pmd/pmd-ui/6.21.0/) and all the other modules of PMD such as [net.sourceforge.pmd:pmd-core:6.21.0](https://repo.maven.apache.org/maven2/net/sourceforge/pmd/pmd-core/6.21.0/). This key has also been used for PMD 7, for the designer, e.g. [net.sourceforge.pmd:pmd-designer:7.0.0](https://repo.maven.apache.org/maven2/net/sourceforge/pmd/pmd-designer/7.0.0/) and [net.sourceforge.pmd:pmd-core:7.0.0](https://repo.maven.apache.org/maven2/net/sourceforge/pmd/pmd-core/7.0.0/). The versions between 6.21.0 and 7.9.0 are signed with this key. Additionally the key has been used to sign the last release of [PMD Eclipse Plugin 7.9.0.v20241227-1626-r](https://github.com/pmd/pmd-eclipse-plugin/releases/tag/7.9.0.v20241227-1626-r). The keys have been used exclusively for signing artifacts that we published to Maven Central under group id `net.sourceforge.pmd` and once for our pmd-eclipse-plugin. The private key itself is not known to have been compromised itself, but given its passphrase is, it must also be considered potentially compromised. As a mitigation, both compromised keys have been revoked so that no future use of the keys are possible. For future releases of PMD, PMD Designer and PMD Eclipse Plugin we use a new release signing key: `2EFA 55D0 785C 31F9 56F2 F87E A0B5 CA1A 4E08 6838` (PMD Release Signing Key <[email protected]>). Note, that the published artifacts in Maven Central under the group id `net.sourceforge.pmd` are **not** compromised and the signatures are valid. No other past usages of the private key is known to the project and no future use is possible due to the revocation. If anybody finds a past abuse of the private key, please share with us. Note, the module `net.sourceforge.pmd:pmd-ui` has been renamed to `net.sourceforge.pmd:pmd-designer` since PMD 7, so there won't be a fixed version for `pmd-ui`. ### Fixes * Reworked build script in PMD Designer to not include all system properties * https://github.com/pmd/pmd-designer/commit/1548f5f27ba2981b890827fecbd0612fa70a0362 * https://github.com/pmd/pmd-designer/commit/e87a45312753ec46b3e5576c6f6ac1f7de2f5891 ### References * [GHSA-88m4-h43f-wx84](https://github.com/pmd/pmd/security/advisories/GHSA-88m4-h43f-wx84) * [CVE-2025-23215](https://www.cve.org/CVERecord?id=CVE-2025-23215) * [reproducible-central](https://github.com/jvm-repo-rebuild/reproducible-central?tab=readme-ov-file#reproducible-builds-for-maven-central-repository)

PMD es un analizador de código estático multilenguaje extensible. La frase de contraseña para las claves de firma de la versión de PMD y PMD Designer se incluye en el jar publicado en Maven Central. No se sabe si la clave privada en sí se ha visto comprometida, pero dado que su frase de contraseña sí lo está, también debe considerarse potencialmente comprometida. Como mitigación, se han revocado ambas claves comprometidas para que no sea posible su uso en el futuro. Tenga en cuenta que los artefactos publicados en Maven Central bajo el ID de grupo net.sourceforge.pmd no están comprometidos y las firmas son válidas.