Linux Security
    Linux Security
    Linux Security

    Debian: 'ssh-nonfree' 'ssh-socks' Remote root vulnerability

    Date 13 Nov 2001
    2725
    Posted By LinuxSecurity Advisories
    We have received reports that the "SSH CRC-32 compensation attackdetector vulnerability" is being actively exploited. This is the sameinteger type error previously corrected for OpenSSH in DSA-027-1.OpenSSH (the Debian ssh package) was fixed at that time, butssh-nonfree and ssh-socks were not.
    
    ----------------------------------------------------------------------------
    Debian Security Advisory DSA 086-1                       This email address is being protected from spambots. You need JavaScript enabled to view it. 
    https://www.debian.org/security/                                Michael Stone
    November 13, 2001
    ----------------------------------------------------------------------------
    
    Package: ssh-nonfree, ssh-socks
    Vulnerability: remote root exploit
    Debian-specific: no
    
    We have received reports that the "SSH CRC-32 compensation attack
    detector vulnerability" is being actively exploited. This is the same
    integer type error previously corrected for OpenSSH in DSA-027-1.
    OpenSSH (the Debian ssh package) was fixed at that time, but
    ssh-nonfree and ssh-socks were not.
    
    Though packages in the non-free section of the archive are not
    officially supported by the Debian project, we are taking the unusal
    step of releasing updated ssh-nonfree/ssh-socks packages for those
    users who have not yet migrated to OpenSSH. However, we do recommend
    that our users migrate to the regularly supported, DFSG-free "ssh"
    package as soon as possible. ssh 1.2.3-9.3 is the OpenSSH package
    available in Debian 2.2r4.
    
    The fixed ssh-nonfree/ssh-socks packages are available in version
    1.2.27-6.2 for use with Debian 2.2 (potato) and version 1.2.27-8 for
    use with the Debian unstable/testing distribution. Note that the new
    ssh-nonfree/ssh-socks packages remove the setuid bit from the ssh
    binary, disabling rhosts-rsa authentication. If you need this
    functionality, run
     chmod u+s /usr/bin/ssh1
    after installing the new package.
    
    wget url
            will fetch the file for you
    dpkg -i file.deb
            will install the referenced file.
    
    You may use an automated update by adding the resources from the
    footer to the proper configuration.
    
    
    Debian GNU/Linux 2.2 alias potato
    ------------------------------------
    
      Source archives:
    
         
    https://security.debian.org/dists/potato/updates/non-free/source/ssh-nonfree_1.2.27-6.2.diff.gz
          MD5 checksum: 92161c3468189f17eb17421fd2e91f1e
         https://security.debian.org/dists/potato/updates/non-free/source/ssh-nonfree_1.2.27-6.2.dsc
          MD5 checksum: 8ba9a4c2d4059b973e6c46bb6ab88958
         
    https://security.debian.org/dists/potato/updates/non-free/source/ssh-nonfree_1.2.27.orig.tar.gz
          MD5 checksum: c22bc000bee0f7d6f4845eab72a81395
    
      Alpha architecture:
    
         
    https://security.debian.org/dists/potato/updates/non-free/binary-alpha/ssh-askpass-nonfree_1.2.27-6.2_alpha.deb
          MD5 checksum: 90996c54a25e41d743826648d4160f85
         
    https://security.debian.org/dists/potato/updates/non-free/binary-alpha/ssh-nonfree_1.2.27-6.2_alpha.deb
          MD5 checksum: bd7a26a286ee8f21e17c943cacb085cc
         
    https://security.debian.org/dists/potato/updates/non-free/binary-alpha/ssh-socks_1.2.27-6.2_alpha.deb
          MD5 checksum: 4c979615edf37d2b980f1d5421f32933
    
      ARM architecture:
    
        Not yet available
    
      Intel ia32 architecture:
    
         
    https://security.debian.org/dists/potato/updates/non-free/binary-i386/ssh-askpass-nonfree_1.2.27-6.2_i386.deb
          MD5 checksum: e43c6b7ad3a6cf71d07f528ad9adb34c
         
    https://security.debian.org/dists/potato/updates/non-free/binary-i386/ssh-nonfree_1.2.27-6.2_i386.deb
          MD5 checksum: e4f6db9acb54b9e3dc75315a66207840
         
    https://security.debian.org/dists/potato/updates/non-free/binary-i386/ssh-socks_1.2.27-6.2_i386.deb
          MD5 checksum: 0eab3e6250c3aa4130ec5a2f719531e6
    
      Motorola M680x0 architecture:
    
         
    https://security.debian.org/dists/potato/updates/non-free/binary-m68k/ssh-askpass-nonfree_1.2.27-6.2_m68k.deb
          MD5 checksum: 903221f1d6b2770aacafe5ec059199bc
         
    https://security.debian.org/dists/potato/updates/non-free/binary-m68k/ssh-nonfree_1.2.27-6.2_m68k.deb
          MD5 checksum: a491728bdd38a38a0ed9257eb7d8f610
         
    https://security.debian.org/dists/potato/updates/non-free/binary-m68k/ssh-socks_1.2.27-6.2_m68k.deb
          MD5 checksum: 5c8b6771e7c287ba4794f41db771d879
    
      PowerPC architecture:
    
         
    https://security.debian.org/dists/potato/updates/non-free/binary-powerpc/ssh-askpass-nonfree_1.2.27-6.2_powerpc.deb
          MD5 checksum: c0366ff3cb037054da92b597d3c48aee
         
    https://security.debian.org/dists/potato/updates/non-free/binary-powerpc/ssh-nonfree_1.2.27-6.2_powerpc.deb
          MD5 checksum: 64eb49a847c7e2c16463375948fb1903
         
    https://security.debian.org/dists/potato/updates/non-free/binary-powerpc/ssh-socks_1.2.27-6.2_powerpc.deb
          MD5 checksum: 2b530b0590aa372c8c77cc8e80ed01e2
    
      Sun Sparc architecture:
         
    https://security.debian.org/dists/potato/updates/non-free/binary-sparc/ssh-askpass-nonfree_1.2.27-6.2_sparc.deb
          MD5 checksum: 1a1844a143bcd2daae80a70005c74084
         
    https://security.debian.org/dists/potato/updates/non-free/binary-sparc/ssh-nonfree_1.2.27-6.2_sparc.deb
          MD5 checksum: bfcc81152d02d6bc1f5a93018fe56835
         
    https://security.debian.org/dists/potato/updates/non-free/binary-sparc/ssh-socks_1.2.27-6.2_sparc.deb
          MD5 checksum: 3d69332e3c134251439b64f4e379cb68
    
    
    For not yet released architectures please refer to the appropriate
    directory  ftp://ftp.debian.org/debian/dists/sid/binary-$arch/ .
    
    ----------------------------------------------------------------------------
    For apt-get: deb  https://security.debian.org/ stable/updates main non-free
    For dpkg-ftp:
      ftp://security.debian.org/debian-security dists/stable/updates/main
      ftp://security.debian.org/debian-security dists/stable/updates/non-free
    Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.
    
    
    
    

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