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OVAL

ELSA-2015-1229 -- Oracle java-1.7.0-openjdk

ID: oval:org.secpod.oval:def:1501062Date: (C)2015-07-29   (M)2017-10-12
Class: PATCHFamily: unix




The java-1.7.0-openjdk packages provide the OpenJDK 7 Java Runtime Environment and the OpenJDK 7 Java Software Development Kit. Multiple flaws were discovered in the 2D, CORBA, JMX, Libraries and RMI components in OpenJDK. An untrusted Java application or applet could use these flaws to bypass certain Java sandbox restrictions. A flaw was found in the way the Libraries component of OpenJDK verified Online Certificate Status Protocol responses. An OCSP response with no nextUpdate date specified was incorrectly handled as having unlimited validity, possibly causing a revoked X.509 certificate to be interpreted as valid. It was discovered that the JCE component in OpenJDK failed to use constant time comparisons in multiple cases. An attacker could possibly use these flaws to disclose sensitive information by measuring the time used to perform operations using these non-constant time comparisons. A flaw was found in the RC4 encryption algorithm. When using certain keys for RC4 encryption, an attacker could obtain portions of the plain text from the cipher text without the knowledge of the encryption key. Note: With this update, OpenJDK now disables RC4 SSL/TLS cipher suites by default to address the CVE-2015-2808 issue. Refer to Red Hat Bugzilla bug 1207101, linked to in the References section, for additional details about this change. A flaw was found in the way the TLS protocol composed the Diffie-Hellman key exchange. A man-in-the-middle attacker could use this flaw to force the use of weak 512 bit export-grade keys during the key exchange, allowing them do decrypt all traffic. Note: This update forces the TLS/SSL client implementation in OpenJDK to reject DH key sizes below 768 bits, which prevents sessions to be downgraded to export-grade keys. Refer to Red Hat Bugzilla bug 1223211, linked to in the References section, for additional details about this change. It was discovered that the JNDI component in OpenJDK did not handle DNS resolutions correctly. An attacker able to trigger such DNS errors could cause a Java application using JNDI to consume memory and CPU time, and possibly block further DNS resolution. Multiple information leak flaws were found in the JMX and 2D components in OpenJDK. An untrusted Java application or applet could use this flaw to bypass certain Java sandbox restrictions. A flaw was found in the way the JSSE component in OpenJDK performed X.509 certificate identity verification when establishing a TLS/SSL connection to a host identified by an IP address. In certain cases, the certificate was accepted as valid if it was issued for a host name to which the IP address resolves rather than for the IP address. All users of java-1.7.0-openjdk are advised to upgrade to these updated packages, which resolve these issues. All running instances of OpenJDK Java must be restarted for the update to take effect.

Platform:
Oracle Linux 7
Product:
java-1.7.0-openjdk
Reference:
ELSA-2015-1229
CVE-2015-2590
CVE-2015-2601
CVE-2015-2621
CVE-2015-2625
CVE-2015-2628
CVE-2015-2632
CVE-2015-2808
CVE-2015-4000
CVE-2015-4731
CVE-2015-4732
CVE-2015-4733
CVE-2015-4748
CVE-2015-4749
CVE-2015-4760
CVE    14
CVE-2015-2590
CVE-2015-2601
CVE-2015-2628
CVE-2015-2625
...
CPE    19
cpe:/a:oracle:java-1.7.0-openjdk
cpe:/a:openssl:openssl:1.0.1m
cpe:/o:canonical:ubuntu_linux:14.10
cpe:/a:mozilla:network_security_services:3.19
...

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