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CVE-2020-17534

Published: 11 January 2021

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

Priority

Medium

Cvss 3 Severity Score

7.0

Score breakdown

Status

Package Release Status
netbeans
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

trusty Does not exist

upstream Needs triage

groovy Ignored
(end of life)
hirsute Ignored
(end of life)
xenial Needs triage

kinetic Ignored
(end of life, was needs-triage)
jammy Needs triage

impish Ignored
(end of life)
mantic Needs triage

lunar Ignored
(end of life, was needs-triage)

Severity score breakdown

Parameter Value
Base score 7.0
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H