Updated java-1.8.0-oracle packages that fix several security issues are now available for Oracle Java for Red Hat Enterprise Linux 6 and 7.

Red Hat Product Security has rated this update as having Critical security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.

Oracle Java SE version 8 includes the Oracle Java Runtime Environment and the Oracle Java Software Development Kit.

This update fixes several vulnerabilities in the Oracle Java Runtime Environment and the Oracle Java Software Development Kit. Further information about these flaws can be found on the Oracle Java SE Critical Patch Update Advisory page, listed in the References section.
(CVE-2015-2590, CVE-2015-2601, CVE-2015-2613, CVE-2015-2619, CVE-2015-2621, CVE-2015-2625, CVE-2015-2627, CVE-2015-2628, CVE-2015-2632, CVE-2015-2637, CVE-2015-2638, CVE-2015-2659, CVE-2015-2664, CVE-2015-2808, CVE-2015-4000, CVE-2015-4729, CVE-2015-4731, CVE-2015-4732, CVE-2015-4733, CVE-2015-4736, CVE-2015-4748, CVE-2015-4749, CVE-2015-4760)

Note: With this update, Oracle JDK now disables RC4 TLS/SSL 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.

Note: This update forces the TLS/SSL client implementation in Oracle JDK to reject DH key sizes below 768 bits to address the CVE-2015-4000 issue. Refer to Red Hat Bugzilla bug 1223211, linked to in the References section, for additional details about this change.

All users of java-1.8.0-oracle are advised to upgrade to these updated packages, which provide Oracle Java 8 Update 51 and resolve these issues. All running instances of Oracle Java must be restarted for the update to take effect.

The remote host is affected by the vulnerability described in GLSA-201603-11 (Oracle JRE/JDK: Multiple vulnerabilities)

    Multiple vulnerabilities exist in both Oracle&rsquo;s JRE and JDK.  Please       review the referenced CVE&rsquo;s for additional information.
  Impact :

    Remote attackers could gain access to information, remotely execute       arbitrary code, and cause Denial of Service.
  Workaround :

    There is no known workaround at this time.

The remote Redhat Enterprise Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2015:1228 advisory.

    The java-1.8.0-openjdk packages provide the OpenJDK 8 Java Runtime     Environment and the OpenJDK 8 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 Java sandbox restrictions. (CVE-2015-4760,     CVE-2015-2628, CVE-2015-4731, CVE-2015-2590, CVE-2015-4732, CVE-2015-4733)

    A flaw was found in the way the Libraries component of OpenJDK verified     Online Certificate Status Protocol (OCSP) 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. (CVE-2015-4748)

    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.
    (CVE-2015-2601)

    It was discovered that the GCM (Galois Counter Mode) implementation in the     Security component of OpenJDK failed to properly perform a null check.
    This could cause the Java Virtual Machine to crash when an application     performed encryption using a block cipher in the GCM mode. (CVE-2015-2659)

    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.
    (CVE-2015-2808)

    Note: With this update, OpenJDK now disables RC4 TLS/SSL 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     (DH) 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. (CVE-2015-4000)

    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. (CVE-2015-4749)

    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. (CVE-2015-2621, CVE-2015-2632)

    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. (CVE-2015-2625)

    Multiple insecure temporary file use issues were found in the way the     Hotspot component in OpenJDK created performance statistics and error log     files. A local attacker could possibly make a victim using OpenJDK     overwrite arbitrary files using a symlink attack. Note: This issue was     originally fixed as CVE-2015-0383, but the fix was regressed in the     RHSA-2015:0809 advisory. (CVE-2015-3149)

    All users of java-1.8.0-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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of Oracle (formerly Sun) Java SE or Java for Business installed on the remote host is prior to 8 Update 51, 7 Update 85, or 6 Update 101. It is, therefore, affected by security vulnerabilities in the following components :

  - 2D
  - CORBA
  - Deployment
  - Hotspot
  - Install
  - JCE
  - JMX
  - JNDI
  - JSSE
  - Libraries
  - RMI
  - Security

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
84871	RHEL 6 / 7 : java-1.8.0-oracle (RHSA-2015:1241) (Bar Mitzvah) (Logjam)	Nessus	Red Hat Local Security Checks	2015/7/20	2025/2/18	medium
89904	GLSA-201603-11 : Oracle JRE/JDK: Multiple vulnerabilities (Logjam)	Nessus	Gentoo Local Security Checks	2016/3/14	2022/12/5	low
84787	RHEL 6 / 7 : java-1.8.0-openjdk (RHSA-2015:1228)	Nessus	Red Hat Local Security Checks	2015/7/16	2025/4/15	critical
84825	Oracle Java SE Multiple Vulnerabilities (July 2015 CPU) (Unix) (Bar Mitzvah)	Nessus	Misc.	2015/7/17	2024/6/20	critical

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