drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in OpenJDK
Name: |
Mehrere Probleme in OpenJDK |
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ID: |
USN-4080-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 16.04 LTS |
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Datum: |
Mi, 31. Juli 2019, 07:01 |
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Referenzen: |
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-2762
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-2745
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-2816
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7317
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-2769
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-2842
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-2786 |
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Applikationen: |
OpenJDK |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-4080-1 July 31, 2019
openjdk-8 vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 LTS
Summary:
Several security issues were fixed in OpenJDK.
Software Description: - openjdk-8: Open Source Java implementation
Details:
Keegan Ryan discovered that the ECC implementation in OpenJDK was not sufficiently resilient to side-channel attacks. An attacker could possibly use this to expose sensitive information. (CVE-2019-2745)
It was discovered that OpenJDK did not sufficiently validate serial streams before deserializing suppressed exceptions in some situations. An attacker could use this to specially craft an object that, when deserialized, would cause a denial of service. (CVE-2019-2762)
It was discovered that in some situations OpenJDK did not properly bound the amount of memory allocated during object deserialization. An attacker could use this to specially craft an object that, when deserialized, would cause a denial of service (excessive memory consumption). (CVE-2019-2769)
It was discovered that OpenJDK did not properly restrict privileges in certain situations. An attacker could use this to specially construct an untrusted Java application or applet that could escape sandbox restrictions. (CVE-2019-2786)
Jonathan Birch discovered that the Networking component of OpenJDK did not properly validate URLs in some situations. An attacker could use this to bypass restrictions on characters in URLs. (CVE-2019-2816)
Nati Nimni discovered that the Java Cryptography Extension component in OpenJDK did not properly perform array bounds checking in some situations. An attacker could use this to cause a denial of service. (CVE-2019-2842)
It was discovered that OpenJDK incorrectly handled certain memory operations. If a user or automated system were tricked into opening a specially crafted PNG file, a remote attacker could use this issue to cause OpenJDK to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2019-7317)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 16.04 LTS: openjdk-8-jdk 8u222-b10-1ubuntu1~16.04.1 openjdk-8-jdk-headless 8u222-b10-1ubuntu1~16.04.1 openjdk-8-jre 8u222-b10-1ubuntu1~16.04.1 openjdk-8-jre-headless 8u222-b10-1ubuntu1~16.04.1 openjdk-8-jre-jamvm 8u222-b10-1ubuntu1~16.04.1 openjdk-8-jre-zero 8u222-b10-1ubuntu1~16.04.1
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/4080-1 CVE-2019-2745, CVE-2019-2762, CVE-2019-2769, CVE-2019-2786, CVE-2019-2816, CVE-2019-2842, CVE-2019-7317
Package Information: https://launchpad.net/ubuntu/+source/openjdk-8/8u222-b10-1ubuntu1~16.04.1
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