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GHSA-6xp6-fmc8-pmmr

Temporary Directory Hijacking Vulnerability in Keycloak

Source: GitHub Advisory Database (reviewed) High CVE-2021-20202

Packages

EcosystemPackageAffectedFixed in
Maven org.keycloak:keycloak-core < 13.0.0 13.0.0

Details

As written in the advisory (Markdown source, shown as plain text).

A flaw was found in keycloak. Directories can be created prior to the Java process creating them in the temporary directory, but with wider user permissions, allowing the attacker to have access to the contents that keycloak stores in this directory. The highest threat from this vulnerability is to data confidentiality and integrity.

References

External links from the advisory. They lead to third-party sites.