USN-4453-1: OpenJDK 8 vulnerabilities
5 August 2020
Several security issues were fixed in OpenJDK 8.
Releases
Packages
- openjdk-8 - Open Source Java implementation
Details
Johannes Kuhn discovered that OpenJDK 8 incorrectly handled access control
contexts. An attacker could possibly use this issue to execute arbitrary
code. (CVE-2020-14556)
Philippe Arteau discovered that OpenJDK 8 incorrectly verified names in
TLS server's X.509 certificates. An attacker could possibly use this
issue to obtain sensitive information. (CVE-2020-14577)
It was discovered that OpenJDK 8 incorrectly handled exceptions in
DerInputStream class and in the DerValue.equals() method. An attacker
could possibly use this issue to cause a denial of service.
(CVE-2020-14578, CVE-2020-14579)
It was discovered that OpenJDK 8 incorrectly handled image files. An
attacker could possibly use this issue to obtain sensitive information.
(CVE-2020-14581)
Markus Loewe discovered that OpenJDK 8 incorrectly handled concurrent
access in java.nio.Buffer class. An attacker could use this issue to
bypass sandbox restrictions.
(CVE-2020-14583)
It was discovered that OpenJDK 8 incorrectly handled transformation of
images. An attacker could possibly use this issue to bypass sandbox
restrictions and insert, edit or obtain sensitive information.
(CVE-2020-14593)
Roman Shemyakin discovered that OpenJDK 8 incorrectly handled XML files.
An attacker could possibly use this issue to insert, edit or obtain
sensitive information. (CVE-2020-14621)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 20.04
-
openjdk-8-jdk
-
8u265-b01-0ubuntu2~20.04
-
openjdk-8-jre
-
8u265-b01-0ubuntu2~20.04
-
openjdk-8-jre-headless
-
8u265-b01-0ubuntu2~20.04
-
openjdk-8-jre-zero
-
8u265-b01-0ubuntu2~20.04
Ubuntu 18.04
-
openjdk-8-jdk
-
8u265-b01-0ubuntu2~18.04
-
openjdk-8-jre
-
8u265-b01-0ubuntu2~18.04
-
openjdk-8-jre-headless
-
8u265-b01-0ubuntu2~18.04
-
openjdk-8-jre-zero
-
8u265-b01-0ubuntu2~18.04
Ubuntu 16.04
-
openjdk-8-jdk
-
8u265-b01-0ubuntu2~16.04
-
openjdk-8-jre
-
8u265-b01-0ubuntu2~16.04
-
openjdk-8-jre-headless
-
8u265-b01-0ubuntu2~16.04
-
openjdk-8-jre-jamvm
-
8u265-b01-0ubuntu2~16.04
-
openjdk-8-jre-zero
-
8u265-b01-0ubuntu2~16.04
This update uses a new upstream release, which includes additional bug
fixes. After a standard system update you need to restart any Java
applications or applets to make all the necessary changes.
Related notices
- USN-4433-1: openjdk-11-jre, openjdk-11-doc, openjdk-11-demo, openjdk-11-jre-headless, openjdk-11-source, openjdk-11-jdk, openjdk-11-jre-zero, openjdk-11-jdk-headless, openjdk-lts