Oval Definition:oval:com.redhat.rhsa:def:20100162
Revision Date:2010-03-25Version:648
Title:RHSA-2010:0162: openssl security update (Important)
Description:OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) protocols, as well as a full-strength, general purpose cryptography library.

  • It was discovered that OpenSSL did not always check the return value of the bn_wexpand() function. An attacker able to trigger a memory allocation failure in that function could cause an application using the OpenSSL library to crash or, possibly, execute arbitrary code. (CVE-2009-3245)

  • A flaw was found in the way the TLS/SSL (Transport Layer Security/Secure Sockets Layer) protocols handled session renegotiation. A man-in-the-middle attacker could use this flaw to prefix arbitrary plain text to a client's session (for example, an HTTPS connection to a website). This could force the server to process an attacker's request as if authenticated using the victim's credentials. This update addresses this flaw by implementing the TLS Renegotiation Indication Extension, as defined in RFC 5746. (CVE-2009-3555)

    Refer to the following Knowledgebase article for additional details about the CVE-2009-3555 flaw: http://kbase.redhat.com/faq/docs/DOC-20491

  • A missing return value check flaw was discovered in OpenSSL, that could possibly cause OpenSSL to call a Kerberos library function with invalid arguments, resulting in a NULL pointer dereference crash in the MIT Kerberos library. In certain configurations, a remote attacker could use this flaw to crash a TLS/SSL server using OpenSSL by requesting Kerberos cipher suites during the TLS handshake. (CVE-2010-0433)

    All OpenSSL users should upgrade to these updated packages, which contain backported patches to resolve these issues. For the update to take effect, all services linked to the OpenSSL library must be restarted, or the system rebooted.
  • Family:unixClass:patch
    Status:Reference(s):CVE-2009-3245
    CVE-2009-3555
    CVE-2010-0433
    RHSA-2010:0162
    RHSA-2010:0162-01
    RHSA-2010:0162-01
    Platform(s):Red Hat Enterprise Linux 5
    Product(s):
    Definition Synopsis
  • Red Hat Enterprise Linux must be installed
  • OR Package Information
  • Red Hat Enterprise Linux 5 is installed
  • AND
  • openssl is earlier than 0:0.9.8e-12.el5_4.6
  • AND openssl is signed with Red Hat redhatrelease2 key
  • openssl-devel is earlier than 0:0.9.8e-12.el5_4.6
  • AND openssl-devel is signed with Red Hat redhatrelease2 key
  • openssl-perl is earlier than 0:0.9.8e-12.el5_4.6
  • AND openssl-perl is signed with Red Hat redhatrelease2 key
  • BACK