Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.1683 USN-3975-1: OpenJDK vulnerabilities 14 May 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: OpenJDK Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Modify Arbitrary Files -- Remote/Unauthenticated Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2019-2698 CVE-2019-2697 CVE-2019-2684 CVE-2019-2602 Reference: ASB-2019.0118 ESB-2019.1671 Original Bulletin: https://usn.ubuntu.com/3975-1/ - --------------------------BEGIN INCLUDED TEXT-------------------- USN-3975-1: OpenJDK vulnerabilities 13 May 2019 openjdk-8, openjdk-lts vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: o Ubuntu 19.04 o Ubuntu 18.10 o Ubuntu 18.04 LTS o Ubuntu 16.04 LTS Summary Several security issues were fixed in OpenJDK. Software Description o openjdk-lts - Open Source Java implementation o openjdk-8 - Open Source Java implementation Details It was discovered that the BigDecimal implementation in OpenJDK performed excessive computation when given certain values. An attacker could use this to cause a denial of service (excessive CPU usage). (CVE-2019-2602) Corwin de Boor and Robert Xiao discovered that the RMI registry implementation in OpenJDK did not properly select the correct skeleton class in some situations. An attacker could use this to possibly escape Java sandbox restrictions. (CVE-2019-2684) Mateusz Jurczyk discovered a vulnerability in the 2D component of OpenJDK. An attacker could use this to possibly escape Java sandbox restrictions. This issue only affected OpenJDK 8 in Ubuntu 16.04 LTS. (CVE-2019-2697) Mateusz Jurczyk discovered a vulnerability in the font layout engine of OpenJDK's 2D component. An attacker could use this to possibly escape Java sandbox restrictions. This issue only affected OpenJDK 8 in Ubuntu 16.04 LTS. (CVE-2019-2698) Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04 openjdk-11-jdk - 11.0.3+7-1ubuntu2~19.04.1 openjdk-11-jdk-headless - 11.0.3+7-1ubuntu2~19.04.1 openjdk-11-jre - 11.0.3+7-1ubuntu2~19.04.1 openjdk-11-jre-headless - 11.0.3+7-1ubuntu2~19.04.1 Ubuntu 18.10 openjdk-11-jdk - 11.0.3+7-1ubuntu2~18.10.1 openjdk-11-jdk-headless - 11.0.3+7-1ubuntu2~18.10.1 openjdk-11-jre - 11.0.3+7-1ubuntu2~18.10.1 openjdk-11-jre-headless - 11.0.3+7-1ubuntu2~18.10.1 Ubuntu 18.04 LTS openjdk-11-jdk - 11.0.3+7-1ubuntu2~18.04.1 openjdk-11-jdk-headless - 11.0.3+7-1ubuntu2~18.04.1 openjdk-11-jre - 11.0.3+7-1ubuntu2~18.04.1 openjdk-11-jre-headless - 11.0.3+7-1ubuntu2~18.04.1 Ubuntu 16.04 LTS openjdk-8-jdk - 8u212-b03-0ubuntu1.16.04.1 openjdk-8-jdk-headless - 8u212-b03-0ubuntu1.16.04.1 openjdk-8-jre - 8u212-b03-0ubuntu1.16.04.1 openjdk-8-jre-headless - 8u212-b03-0ubuntu1.16.04.1 openjdk-8-jre-jamvm - 8u212-b03-0ubuntu1.16.04.1 To update your system, please follow these instructions: https:// wiki.ubuntu.com/Security/Upgrades . 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 o CVE-2019-2602 o CVE-2019-2684 o CVE-2019-2697 o CVE-2019-2698 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBXNo0HWaOgq3Tt24GAQix+RAAn/dEOsdPck9gzhN0h8Pg/siliRj0O7T8 S3JvWOpwJfRJsMh2BXddSpoXNq8jyBaoYuPE18M9nNCPLYuvqpjHrpRHCfA7yFdP WUJ1Wq2+4IlHr81zx8fnVIj2wFlUGw3JMQx3pQ2a2lWOnTj8AwOImeftu9Y1zPN+ w4wETZnyuOebig4iDeBzMmkHMYvIm2VE/gfMtCYB3z+drmzkCz6kFJNQY0KiS71v NcFyk+Usy4oUH9dpviocLOQQXDr1uw7kmTfd5kqHVm5nkgoe24FEn0EnjRW4wTYH GJs4lF88fbmUDBjV5R6OSYa9fWs3i+crXdUQenSacOkJRPBFvznkqdUfbL9NERJT XoFz8UUcNgrZoNbMpxBr61bayVxUaisYSVDXrAWBp+lAyDUBrT8b4cLxjhBzwl0y /EiyC8nYPw9FK+iUEuko1ZGK5Qywgn+Qlv1ZHZtgT17cR/MB+7g+1u4mSUfBoMSz IsFTc9ejvQqFrsTgq/Mh+F/9OIGwRtaeo6gV1CXacPZhBiOE9U/rTZ2PfiS0wZpp vz2hOm9rYF8Qty9NCVIPdSmf69EdEmaGWUg2qU5LGusR/EqwqpufwgEwKRCXLYcz r+nt+1y9ywDNOQ78J1v40tcbEY09xwCJ9J8G/0ikICjVB/lQwcaZanp3LpYl1jgH CwXPpodyhS8= =EDET -----END PGP SIGNATURE-----