Description
Apache Commons Configuration uses a third-party library to parse YAML files which by default allows the instantiation of classes if the YAML includes special statements. Apache Commons Configuration versions 2.2, 2.3, 2.4, 2.5, 2.6 did not change the default settings of this library. So if a YAML file was loaded from an untrusted source, it could therefore load and execute code out of the control of the host application.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apache | Apache Commons Configuration | 2.2, 2.3, 2.4, 2.5, 2.6 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | commons-configuration2 | 2.7-1 | — |
| Debian 13 | commons-configuration2 | 2.7-1 | — |
| Debian 12 | commons-configuration2 | 2.7-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | commons-configuration2 | No fix yet | — |
| Ubuntu 18.04 LTS | commons-configuration2 | No fix yet | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Maven | org.apache.commons:commons-configuration2 | >= 2.2, < 2.7 | 2.7 | GHSA-7qx4-pp76-vrqh |
References
- [camel-commits] 20200313 [camel] branch camel-3.1.x updated: Update Commons Configuration 2 due to CVE-2020-1953 mailing-list
- https://lists.apache.org/thread.html/d0e00f2e147a9e9b13a6829133092f349b2882bf6860397368a52600%40%3Cannounce.tomcat.apache.org%3E
- https://www.oracle.com/security-alerts/cpuoct2020.html
- https://lists.apache.org/thread.html/r16a2e949e35780c8974cf66104e812410f3904f752df6b66bf292269%40%3Ccommits.servicecomb.apache.org%3E