Debian: DSA-2894-1: openssh security update

    Date 05 Apr 2014
    137
    Posted By LinuxSecurity Advisories
    Two vulnerabilities were discovered in OpenSSH, an implementation of the SSH protocol suite. The Common Vulnerabilities and Exposures project identifies the following problems:
    
    - -------------------------------------------------------------------------
    Debian Security Advisory DSA-2894-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                      Salvatore Bonaccorso
    April 05, 2014                         https://www.debian.org/security/faq
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    Package        : openssh
    CVE ID         : CVE-2014-2532 CVE-2014-2653
    Debian Bug     : 742513
    
    Two vulnerabilities were discovered in OpenSSH, an implementation of the
    SSH protocol suite. The Common Vulnerabilities and Exposures project
    identifies the following problems:
    
    CVE-2014-2532
    
        Jann Horn discovered that OpenSSH incorrectly handled wildcards in
        AcceptEnv lines. A remote attacker could use this issue to trick
        OpenSSH into accepting any environment variable that contains the
        characters before the wildcard character.
    
    CVE-2014-2653
    
        Matthew Vernon reported that if a SSH server offers a
        HostCertificate that the ssh client doesn't accept, then the client
        doesn't check the DNS for SSHFP records. As a consequence a
        malicious server can disable SSHFP-checking by presenting a
        certificate.
    
        Note that a host verification prompt is still displayed before
        connecting.
    
    For the oldstable distribution (squeeze), these problems have been fixed in
    version 1:5.5p1-6+squeeze5.
    
    For the stable distribution (wheezy), these problems have been fixed in
    version 1:6.0p1-4+deb7u1.
    
    For the unstable distribution (sid), these problems have been fixed in
    version 1:6.6p1-1.
    
    We recommend that you upgrade your openssh packages.
    
    Further information about Debian Security Advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: https://www.debian.org/security/
    
    Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.
    

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