Home / Security / USN-4453-1: OpenJDK 8 vulnerabilities | Ubuntu security notices

USN-4453-1: OpenJDK 8 vulnerabilities | Ubuntu security notices

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)

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