Debian: New ldm packages fix information disclosure

    Date28 Apr 2008
    CategoryDebian
    3138
    Posted ByLinuxSecurity Advisories
    Christian Herzog discovered that within the Linux Terminal Server Project, it was possible to connect to X on any LTSP client from any host on the network, making client windows and keystrokes visible to that host.
    - ------------------------------------------------------------------------
    Debian Security Advisory DSA-1561-1                  This email address is being protected from spambots. You need JavaScript enabled to view it.
    http://www.debian.org/security/                          Thijs Kinkhorst
    April 28, 2008                        http://www.debian.org/security/faq
    - ------------------------------------------------------------------------
    
    Package        : ldm
    Vulnerability  : programming error
    Problem type   : remote
    Debian-specific: no
    CVE Id(s)      : CVE-2008-1293
    Debian Bug     : 469462
    
    Christian Herzog discovered that within the Linux Terminal Server Project,
    it was possible to connect to X on any LTSP client from any host on the
    network, making client windows and keystrokes visible to that host.
    
    NOTE: most ldm installs are likely to be in a chroot environment exported
    over NFS, and will not be upgraded merely by upgrading the server itself.
    For example, on the i386 architecture, to upgrade ldm will likely require:
    
        chroot /opt/ltsp/i386 apt-get update
        chroot /opt/ltsp/i386 apt-get dist-upgrade
    
    
    For the stable distribution (etch), this problem has been fixed in
    version 0.99debian11+etch1.
    
    For the unstable distribution (sid), this problem has been fixed in
    version 2:0.1~bzr20080308-1.
    
    We recommend that you upgrade your ldm package.
    
    Upgrade instructions
    - --------------------
    
    wget url
            will fetch the file for you
    dpkg -i file.deb
            will install the referenced file.
    
    If you are using the apt-get package manager, use the line for
    sources.list as given below:
    
    apt-get update
            will update the internal database
    apt-get upgrade
            will install corrected packages
    
    You may use an automated update by adding the resources from the
    footer to the proper configuration.
    
    
    Debian GNU/Linux 4.0 alias etch
    - -------------------------------
    
    Source archives:
    
      http://security.debian.org/pool/updates/main/l/ltsp/ltsp_0.99debian11+etch1.tar.gz
        Size/MD5 checksum:   183019 c97fa50f7a30f213742be6466a7817fc
      http://security.debian.org/pool/updates/main/l/ltsp/ltsp_0.99debian11+etch1.dsc
        Size/MD5 checksum:     1243 c8d0f83f26c580a9fcf5079d303c1958
    
    Architecture independent packages:
    
      http://security.debian.org/pool/updates/main/l/ltsp/ltsp-server-standalone_0.99debian11+etch1_all.deb
        Size/MD5 checksum:    22346 edf27d69321dc6db44cb252719aad12b
      http://security.debian.org/pool/updates/main/l/ltsp/ltsp-client-builder_0.99debian11+etch1_all.udeb
        Size/MD5 checksum:     2278 bd0856196c64cfcabc1c0f47808b5f4c
      http://security.debian.org/pool/updates/main/l/ltsp/ltsp-server_0.99debian11+etch1_all.deb
        Size/MD5 checksum:    53332 70be96c089a449a543cfb678e55a0f1e
      http://security.debian.org/pool/updates/main/l/ltsp/ldm_0.99debian11+etch1_all.deb
        Size/MD5 checksum:   116452 51fa6e495db54926e77aa7f62a251dff
    
    alpha architecture (DEC Alpha)
    
      http://security.debian.org/pool/updates/main/l/ltsp/ltsp-client_0.99debian11+etch1_alpha.deb
        Size/MD5 checksum:    50686 145f4579f02af33e644674b0a2ecff67
    
    amd64 architecture (AMD x86_64 (AMD64))
    
      http://security.debian.org/pool/updates/main/l/ltsp/ltsp-client_0.99debian11+etch1_amd64.deb
        Size/MD5 checksum:    50638 9ea8d9f916b011a9f5379ed31f8a7cc7
    
    arm architecture (ARM)
    
      http://security.debian.org/pool/updates/main/l/ltsp/ltsp-client_0.99debian11+etch1_arm.deb
        Size/MD5 checksum:    49608 8c1b8f8908b2099c8f97946144dd7ca0
    
    hppa architecture (HP PA RISC)
    
      http://security.debian.org/pool/updates/main/l/ltsp/ltsp-client_0.99debian11+etch1_hppa.deb
        Size/MD5 checksum:    50448 08ca2c9cdc6bc5a274bb7114495e0e7d
    
    i386 architecture (Intel ia32)
    
      http://security.debian.org/pool/updates/main/l/ltsp/ltsp-client_0.99debian11+etch1_i386.deb
        Size/MD5 checksum:    49302 b20a0740d53c1c6aeffdab69b2bb14bf
    
    ia64 architecture (Intel ia64)
    
      http://security.debian.org/pool/updates/main/l/ltsp/ltsp-client_0.99debian11+etch1_ia64.deb
        Size/MD5 checksum:    55934 b614ff92f4cb3dcea9329ea219f77a60
    
    mips architecture (MIPS (Big Endian))
    
      http://security.debian.org/pool/updates/main/l/ltsp/ltsp-client_0.99debian11+etch1_mips.deb
        Size/MD5 checksum:    50166 298ad47e264bf2b3e3b69fd52f772df1
    
    mipsel architecture (MIPS (Little Endian))
    
      http://security.debian.org/pool/updates/main/l/ltsp/ltsp-client_0.99debian11+etch1_mipsel.deb
        Size/MD5 checksum:    50914 770ee6fa07216c0a2a0da7922d820ea7
    
    powerpc architecture (PowerPC)
    
      http://security.debian.org/pool/updates/main/l/ltsp/ltsp-client_0.99debian11+etch1_powerpc.deb
        Size/MD5 checksum:    50602 3b30a76ae56aedbfdc67c2bd975eefd6
    
    s390 architecture (IBM S/390)
    
      http://security.debian.org/pool/updates/main/l/ltsp/ltsp-client_0.99debian11+etch1_s390.deb
        Size/MD5 checksum:    51558 9c2f6986508538205f6e5d937a9bc8d7
    
    
      These files will probably be moved into the stable distribution on
      its next update.
    
    - ---------------------------------------------------------------------------------
    For apt-get: deb http://security.debian.org/ stable/updates main
    For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main
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