Security Bulletin: CVE-2020-17521 Apache Groovy's provided extension methods to aid with creating temporary directories was using a now superseded Java JDK method call that is potentiallly not secure in some situations.

Summary

Apache Groovy provides extension methods to aid with creating temporary directories. Prior to this fix, Groovy’s implementation of those extension methods was using a now superseded Java JDK method call that is potentially not secure on some operating systems in some contexts.

Vulnerability Details

CVEID:CVE-2020-17521
**DESCRIPTION:**Apache Groovy could allow a local authenticated attacker to obtain sensitive information, caused by a race condition in the creation of the temporary directory. By sending a specially-crafted request, an attacker could exploit this vulnerability to obtain sensitive information, and use this information to launch further attacks against the affected system.
CVSS Base score: 5.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/192720 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

Remediation/Fixes

Update to 7.2.0.2, 7.1.2.3, 7.0.5.7 or later

Workarounds and Mitigations

None