[CVE-2020-17534] HTML/Java API 1.7: A race condition between deletion of the temporary file and creation of the temporary directory

[Jaroslav Tulach <jaroslav.tulach () gmail com>]

CVE-ID------CVE-2020-17534

Summary-------A race condition between the deletion of the temporary file and creation of 
the temporary directory


There exists a race condition between the deletion of the temporary file and the creation 
of the temporary directory in `webkit` subproject of HTML/Java API version 1.7.  


A similar vulnerability has recently been disclosed in other Java projects and the fix in 
HTML/Java API version 1.7.1 follows theirs: To avoid local privilege escalation version 1.7.1 
creates the temporary directory atomically without dealing with the temporary file: https://
github.com/apache/netbeans-html4j/commit/
fa70e507e5555e1adb4f6518479fc408a7abd0e6[1]


-----------

- Avoid using webkit presenter 1.7
- Update to HTML/Java API 1.7.1

Credit:-------The problem was identified by Jonathan Leitschuh



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[1] https://github.com/apache/netbeans-html4j/commit/
fa70e507e5555e1adb4f6518479fc408a7abd0e6