Linux Security
    Linux Security
    Linux Security

    Debian: New zhcon packages fix unauthorised file access

    Date 25 Jan 2005
    5543
    Posted By Joe Shakespeare
    Erik Sjölund discovered that zhcon, a fast console CJK system using the Linux framebuffer, accesses a user-controlled configuration file with elevated privileges. Thus, it is possible to read arbitrary files.
    - --------------------------------------------------------------------------
    Debian Security Advisory DSA 655-1                     This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                             Martin Schulze
    January 25th, 2005                         https://www.debian.org/security/faq
    - --------------------------------------------------------------------------
    
    Package        : zhcon
    Vulnerability  : missing privilege release
    Problem-Type   : local
    Debian-specific: no
    CVE ID         : CAN-2005-0072
    
    Erik Sjölund discovered that zhcon, a fast console CJK system using
    the Linux framebuffer, accesses a user-controlled configuration file
    with elevated privileges.  Thus, it is possible to read arbitrary
    files.
    
    For the stable distribution (woody) this problem has been fixed in
    version 0.2-4woody3.
    
    For the unstable distribution (sid) this problem will be fixed soon.
    
    We recommend that you upgrade your zhcon 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 3.0 alias woody
    - --------------------------------
    
      Source archives:
    
        https://security.debian.org/pool/updates/main/z/zhcon/zhcon_0.2-4woody3.dsc
          Size/MD5 checksum:      571 cef550eb0e12c8841fb19dec63b57c18
        https://security.debian.org/pool/updates/main/z/zhcon/zhcon_0.2-4woody3.diff.gz
          Size/MD5 checksum:    18162 5757142ee30a5d3e990180a44bfbf8cd
        https://security.debian.org/pool/updates/main/z/zhcon/zhcon_0.2.orig.tar.gz
          Size/MD5 checksum:  4727022 7a15d08e903c0d40f1f659b23185c4c0
    
      Alpha architecture:
    
        https://security.debian.org/pool/updates/main/z/zhcon/zhcon_0.2-4woody3_alpha.deb
          Size/MD5 checksum:  4577314 574567f7d5ff0c730d7c8403da284d62
    
      ARM architecture:
    
        https://security.debian.org/pool/updates/main/z/zhcon/zhcon_0.2-4woody3_arm.deb
          Size/MD5 checksum:  4566364 e9cc7274596bd612b85b832945d4fedc
    
      Intel IA-32 architecture:
    
        https://security.debian.org/pool/updates/main/z/zhcon/zhcon_0.2-4woody3_i386.deb
          Size/MD5 checksum:  4549436 adcaa080b69de7c3d7de5d5c58bd2ee6
    
      Intel IA-64 architecture:
    
        https://security.debian.org/pool/updates/main/z/zhcon/zhcon_0.2-4woody3_ia64.deb
          Size/MD5 checksum:  4594976 ff8e34b0df2d5548918698972ae71ac4
    
      HP Precision architecture:
    
        https://security.debian.org/pool/updates/main/z/zhcon/zhcon_0.2-4woody3_hppa.deb
          Size/MD5 checksum:  4590474 68576eb8887b9bda98afc3548704d491
    
      Motorola 680x0 architecture:
    
        https://security.debian.org/pool/updates/main/z/zhcon/zhcon_0.2-4woody3_m68k.deb
          Size/MD5 checksum:  4545894 419dcce4d28053e9527888f064dd9a9d
    
      Big endian MIPS architecture:
    
        https://security.debian.org/pool/updates/main/z/zhcon/zhcon_0.2-4woody3_mips.deb
          Size/MD5 checksum:  4557002 70955d5fd0205214a4add453ebda3c9c
    
      Little endian MIPS architecture:
    
        https://security.debian.org/pool/updates/main/z/zhcon/zhcon_0.2-4woody3_mipsel.deb
          Size/MD5 checksum:  4555974 81e127f1ebecb1519ccc08472909a6cc
    
      PowerPC architecture:
    
        https://security.debian.org/pool/updates/main/z/zhcon/zhcon_0.2-4woody3_powerpc.deb
          Size/MD5 checksum:  4548730 7d99eb0b961e83cf9067355c39ba656b
    
      IBM S/390 architecture:
    
        https://security.debian.org/pool/updates/main/z/zhcon/zhcon_0.2-4woody3_s390.deb
          Size/MD5 checksum:  4544774 172e282c5c27a5d12a2e3b709b7e89c2
    
      Sun Sparc architecture:
    
        https://security.debian.org/pool/updates/main/z/zhcon/zhcon_0.2-4woody3_sparc.deb
          Size/MD5 checksum:  4546018 f6d5b53efb642de658498c091884ff7e
    
    
      These files will probably be moved into the stable distribution on
      its next update.
    
    - ---------------------------------------------------------------------------------
    For apt-get: deb https://security.debian.org/ stable/updates main
    For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main
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