rhsa-2016_0445
Vulnerability from csaf_redhat
Published
2016-03-14 16:43
Modified
2024-11-05 19:15
Summary
Red Hat Security Advisory: Red Hat JBoss Web Server 2.1.0 OpenSSL security update

Notes

Topic
Updated packages that fix several OpenSSL security issues are available for Red Hat JBoss Web Server 2.1.0 for Microsoft Windows and Solaris. Red Hat Product Security has rated this update as having Important 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.
Details
Red Hat JBoss Web Server is a fully integrated and certified set of components for hosting Java web applications. It is comprised of the Apache HTTP Server, the Apache Tomcat Servlet container, Apache Tomcat Connector(mod_jk), JBoss HTTP Connector (mod_cluster), Hibernate, and the Tomcat Native library. A padding oracle flaw was found in the Secure Sockets Layer version 2.0 (SSLv2) protocol. An attacker could potentially use this flaw to decrypt RSA-encrypted cipher text from a connection using a newer SSL/TLS protocol version, allowing them to decrypt such connections. This cross-protocol attack is publicly referred to as DROWN. (CVE-2016-0800) A denial of service flaw was found in the way OpenSSL handled SSLv2 handshake messages. A remote attacker could use this flaw to cause a TLS/SSL server using OpenSSL to exit on a failed assertion if it had both the SSLv2 protocol and EXPORT-grade cipher suites enabled. (CVE-2015-0293) A flaw was found in the way malicious SSLv2 clients could negotiate SSLv2 ciphers that were disabled on the server. This could result in weak SSLv2 ciphers being used for SSLv2 connections, making them vulnerable to man-in-the-middle attacks. (CVE-2015-3197) Red Hat would like to thank the OpenSSL project for reporting these issues. Upstream acknowledges Nimrod Aviram and Sebastian Schinzel as the original reporters of CVE-2016-0800 and CVE-2015-3197; and Sean Burford (Google) and Emilia Käsper (OpenSSL development team) as the original reporters of CVE-2015-0293. Users of Red Hat JBoss Web Server 2.1.0 are advised to upgrade to these updated packages which fix these issues. The Red Hat JBoss Web Server process must be restarted for the update to take effect.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.


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        "text": "Updated packages that fix several OpenSSL security issues are available\nfor Red Hat JBoss Web Server 2.1.0 for Microsoft Windows and Solaris.\n\nRed Hat Product Security has rated this update as having Important security\nimpact. Common Vulnerability Scoring System (CVSS) base scores, which give\ndetailed severity ratings, are available for each vulnerability from the\nCVE links in the References section.",
        "title": "Topic"
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        "text": "Red Hat JBoss Web Server is a fully integrated and certified set of\ncomponents for hosting Java web applications. It is comprised of the\nApache HTTP Server, the Apache Tomcat Servlet container, Apache Tomcat\nConnector(mod_jk), JBoss HTTP Connector (mod_cluster), Hibernate, and\nthe Tomcat Native library.\n\nA padding oracle flaw was found in the Secure Sockets Layer version 2.0\n(SSLv2) protocol. An attacker could potentially use this flaw to decrypt\nRSA-encrypted cipher text from a connection using a newer SSL/TLS protocol\nversion, allowing them to decrypt such connections. This cross-protocol\nattack is publicly referred to as DROWN. (CVE-2016-0800)\n\nA denial of service flaw was found in the way OpenSSL handled SSLv2\nhandshake messages. A remote attacker could use this flaw to cause a\nTLS/SSL server using OpenSSL to exit on a failed assertion if it had both\nthe SSLv2 protocol and EXPORT-grade cipher suites enabled. (CVE-2015-0293)\n\nA flaw was found in the way malicious SSLv2 clients could negotiate SSLv2\nciphers that were disabled on the server. This could result in weak\nSSLv2 ciphers being used for SSLv2 connections, making them vulnerable to\nman-in-the-middle attacks. (CVE-2015-3197)\n\nRed Hat would like to thank the OpenSSL project for reporting these issues.\nUpstream acknowledges Nimrod Aviram and Sebastian Schinzel as the original\nreporters of CVE-2016-0800 and CVE-2015-3197; and Sean Burford (Google)\nand Emilia K\u00e4sper (OpenSSL development team) as the original reporters of\nCVE-2015-0293.\n\nUsers of Red Hat JBoss Web Server 2.1.0 are advised to upgrade to these\nupdated packages which fix these issues. The Red Hat JBoss Web Server\nprocess must be restarted for the update to take effect.",
        "title": "Details"
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        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
        "title": "Terms of Use"
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    "tracking": {
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        },
        {
          "names": [
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          ],
          "organization": "the OpenSSL development team",
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          "names": [
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      "discovery_date": "2015-03-16T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1202404"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A denial of service flaw was found in the way OpenSSL handled SSLv2 handshake messages. A remote attacker could use this flaw to cause a TLS/SSL server using OpenSSL to exit on a failed assertion if it had both the SSLv2 protocol and EXPORT-grade cipher suites enabled.",
          "title": "Vulnerability description"
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        {
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          "text": "openssl: assertion failure in SSLv2 servers",
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        },
        {
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          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2015-0293"
        },
        {
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          "summary": "RHBZ#1202404",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1202404"
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        {
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          "summary": "https://access.redhat.com/articles/1384453",
          "url": "https://access.redhat.com/articles/1384453"
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        {
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          "summary": "https://openssl.org/news/secadv_20150319.txt",
          "url": "https://openssl.org/news/secadv_20150319.txt"
        }
      ],
      "release_date": "2015-03-19T00:00:00+00:00",
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          "category": "vendor_fix",
          "date": "2016-03-14T16:43:38+00:00",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied, and back up your existing Red\nHat JBoss Web Server installation (including all applications and\nconfiguration files).\n\nFor details on how to apply this update, refer to:\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
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          "restart_required": {
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          "url": "https://access.redhat.com/errata/RHSA-2016:0445"
        }
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      "scores": [
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            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 4.3,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
          "products": [
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          ]
        }
      ],
      "threats": [
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          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "openssl: assertion failure in SSLv2 servers"
    },
    {
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        {
          "names": [
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          ]
        },
        {
          "names": [
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            "Sebastian Schinzel"
          ],
          "summary": "Acknowledged by upstream."
        }
      ],
      "cve": "CVE-2015-3197",
      "discovery_date": "2016-01-26T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1301846"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the way malicious SSLv2 clients could negotiate SSLv2 ciphers that were disabled on the server. This could result in weak SSLv2 ciphers being used for SSLv2 connections, making them vulnerable to man-in-the-middle attacks.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "OpenSSL: SSLv2 doesn\u0027t block disabled ciphers",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This security flaw can only be exploited when a malicious client negotiates SSLv2 ciphers and completes a SSLv2 handshake. This flaw cannot be actively exploited by a Man-In-The-Middle attacker. \n\nAll versions of OpenSSL shipped with Red Hat Enterprise Linux enable SSLv2 protocol, but disable SSLv2 ciphers by default (in Red Hat Enterprise Linux 6 and later), therefore are vulnerable to this flaw. Red Hat Product Security has rated this issue as having Low security impact, a future update may address this flaw.\n\nSSLv2 suffers from a number of security flaws allowing attackers to capture and alter information passed between a client and the server. Therefore we strongly recommend that SSLv2 should be disabled on all the SSL/TLS servers.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
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        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2015-3197"
        },
        {
          "category": "external",
          "summary": "RHBZ#1301846",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1301846"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2015-3197",
          "url": "https://www.cve.org/CVERecord?id=CVE-2015-3197"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2015-3197",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2015-3197"
        },
        {
          "category": "external",
          "summary": "https://www.openssl.org/news/secadv/20160128.txt",
          "url": "https://www.openssl.org/news/secadv/20160128.txt"
        }
      ],
      "release_date": "2016-01-28T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2016-03-14T16:43:38+00:00",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied, and back up your existing Red\nHat JBoss Web Server installation (including all applications and\nconfiguration files).\n\nFor details on how to apply this update, refer to:\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
            "Red Hat JBoss Web Server 2.1"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2016:0445"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 5.8,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
            "version": "2.0"
          },
          "products": [
            "Red Hat JBoss Web Server 2.1"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "OpenSSL: SSLv2 doesn\u0027t block disabled ciphers"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "the OpenSSL project"
          ]
        },
        {
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            "Sebastian Schinzel"
          ],
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        }
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      "cve": "CVE-2016-0800",
      "discovery_date": "2016-02-22T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1310593"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A padding oracle flaw was found in the Secure Sockets Layer version 2.0 (SSLv2) protocol. An attacker could potentially use this flaw to decrypt RSA-encrypted cipher text from a connection using a newer SSL/TLS protocol version, allowing them to decrypt such connections. This cross-protocol attack is publicly referred to as DROWN.",
          "title": "Vulnerability description"
        },
        {
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          "text": "SSL/TLS: Cross-protocol attack on TLS using SSLv2 (DROWN)",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "Red Hat JBoss Web Server 2.1"
        ]
      },
      "references": [
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2016-0800"
        },
        {
          "category": "external",
          "summary": "RHBZ#1310593",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1310593"
        },
        {
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          "summary": "https://www.cve.org/CVERecord?id=CVE-2016-0800",
          "url": "https://www.cve.org/CVERecord?id=CVE-2016-0800"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2016-0800",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-0800"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/articles/2176731",
          "url": "https://access.redhat.com/articles/2176731"
        },
        {
          "category": "external",
          "summary": "https://www.drownattack.com/",
          "url": "https://www.drownattack.com/"
        },
        {
          "category": "external",
          "summary": "https://www.openssl.org/news/secadv/20160301.txt",
          "url": "https://www.openssl.org/news/secadv/20160301.txt"
        }
      ],
      "release_date": "2016-03-01T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2016-03-14T16:43:38+00:00",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied, and back up your existing Red\nHat JBoss Web Server installation (including all applications and\nconfiguration files).\n\nFor details on how to apply this update, refer to:\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
            "Red Hat JBoss Web Server 2.1"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2016:0445"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 5.8,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
            "version": "2.0"
          },
          "products": [
            "Red Hat JBoss Web Server 2.1"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "SSL/TLS: Cross-protocol attack on TLS using SSLv2 (DROWN)"
    }
  ]
}


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