Oval Definition:oval:com.redhat.rhsa:def:20070540
Revision Date:2008-03-20Version:636
Title:RHSA-2007:0540: openssh security and bug fix update (Moderate)
Description:OpenSSH is OpenBSD's SSH (Secure SHell) protocol implementation. These packages include the core files necessary for both the OpenSSH client and server.

  • A flaw was found in the way the ssh server wrote account names to the audit subsystem. An attacker could inject strings containing parts of audit messages, which could possibly mislead or confuse audit log parsing tools. (CVE-2007-3102)

  • A flaw was found in the way the OpenSSH server processes GSSAPI authentication requests. When GSSAPI authentication was enabled in the OpenSSH server, a remote attacker was potentially able to determine if a username is valid. (CVE-2006-5052)

    The following bugs in SELinux MLS (Multi-Level Security) support has also been fixed in this update:

    It was sometimes not possible to select a SELinux role and level when logging in using ssh.

    If the user obtained a non-default SELinux role or level, the role change was not recorded in the audit subsystem.

    In some cases, on labeled networks, sshd allowed logins from level ranges it should not allow.

    The updated packages also contain experimental support for using private keys stored in PKCS#11 tokens for client authentication. The support is provided through the NSS (Network Security Services) library.

    All users of openssh should upgrade to these updated packages, which contain patches to correct these issues.
  • Family:unixClass:patch
    Status:Reference(s):CVE-2006-5052
    CVE-2007-3102
    RHSA-2007:0540
    RHSA-2007:0540-04
    RHSA-2007:0540-04
    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
  • openssh is earlier than 0:4.3p2-24.el5
  • AND openssh is signed with Red Hat redhatrelease2 key
  • openssh-askpass is earlier than 0:4.3p2-24.el5
  • AND openssh-askpass is signed with Red Hat redhatrelease2 key
  • openssh-clients is earlier than 0:4.3p2-24.el5
  • AND openssh-clients is signed with Red Hat redhatrelease2 key
  • openssh-server is earlier than 0:4.3p2-24.el5
  • AND openssh-server is signed with Red Hat redhatrelease2 key
  • BACK