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Debian: New ldm packages fix information disclosure Print E-mail
User Rating:      How can I rate this item?
Posted by Benjamin D. Thomas   
Debian 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                  security@debian.org
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
Mailing list: debian-security-announce@lists.debian.org
 
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