exploit the possibilities
Home Files News &[SERVICES_TAB]About Contact Add New

Ubuntu Security Notice USN-4453-1

Ubuntu Security Notice USN-4453-1
Posted Aug 6, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4453-1 - Johannes Kuhn discovered that OpenJDK 8 incorrectly handled access control contexts. An attacker could possibly use this issue to execute arbitrary code. 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. 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. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2020-14556, CVE-2020-14577, CVE-2020-14581, CVE-2020-14583, CVE-2020-14593, CVE-2020-14621
SHA-256 | ec93115e6269588e2af11c449ad74eaae8e44ffea226a1cbea8c285a75e6ed9b

Ubuntu Security Notice USN-4453-1

Change Mirror Download
=========================================================================
Ubuntu Security Notice USN-4453-1
August 05, 2020

openjdk-8 vulnerabilities
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in OpenJDK 8.

Software Description:
- 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 LTS:
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 LTS:
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 LTS:
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.

References:
https://usn.ubuntu.com/4453-1
CVE-2020-14556, CVE-2020-14577, CVE-2020-14578, CVE-2020-14579,
CVE-2020-14581, CVE-2020-14583, CVE-2020-14593, CVE-2020-14621

Package Information:
https://launchpad.net/ubuntu/+source/openjdk-8/8u265-b01-0ubuntu2~20.04
https://launchpad.net/ubuntu/+source/openjdk-8/8u265-b01-0ubuntu2~18.04
https://launchpad.net/ubuntu/+source/openjdk-8/8u265-b01-0ubuntu2~16.04
Login or Register to add favorites

File Archive:

June 2024

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Jun 1st
    0 Files
  • 2
    Jun 2nd
    0 Files
  • 3
    Jun 3rd
    18 Files
  • 4
    Jun 4th
    21 Files
  • 5
    Jun 5th
    0 Files
  • 6
    Jun 6th
    57 Files
  • 7
    Jun 7th
    6 Files
  • 8
    Jun 8th
    0 Files
  • 9
    Jun 9th
    0 Files
  • 10
    Jun 10th
    12 Files
  • 11
    Jun 11th
    27 Files
  • 12
    Jun 12th
    38 Files
  • 13
    Jun 13th
    16 Files
  • 14
    Jun 14th
    14 Files
  • 15
    Jun 15th
    0 Files
  • 16
    Jun 16th
    0 Files
  • 17
    Jun 17th
    16 Files
  • 18
    Jun 18th
    26 Files
  • 19
    Jun 19th
    15 Files
  • 20
    Jun 20th
    18 Files
  • 21
    Jun 21st
    8 Files
  • 22
    Jun 22nd
    0 Files
  • 23
    Jun 23rd
    0 Files
  • 24
    Jun 24th
    0 Files
  • 25
    Jun 25th
    0 Files
  • 26
    Jun 26th
    0 Files
  • 27
    Jun 27th
    0 Files
  • 28
    Jun 28th
    0 Files
  • 29
    Jun 29th
    0 Files
  • 30
    Jun 30th
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2022 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close