Debian: cvs Multiple vulnerabilities DSA-422-1

    Date 15 Jan 2004
    Posted By LinuxSecurity Advisories
    Anyone who could modify the CVSROOT/passwd could gain access to all local users on the CVS server, including root.
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    Debian Security Advisory DSA-422-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.                         Wichert Akkerman
    January 13, 2004
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    Package        : cvs
    Vulnerability  : multiple problems
    Problem type   : remote
    Debian-specific: no
    CVE Id(s)      : CAN-2003-0977
    The account management of the CVS pserver (which is used to give remote
    access to CVS repositories) uses a CVSROOT/passwd file in each
    repository which contains the accounts and their authentication
    information as well as the name of the local unix account to use when a
    pserver account is used. Since CVS performed no checking on what unix
    account was specified anyone who could modify the CVSROOT/passwd could
    gain access to all local users on the CVS server, including root.
    This has been fixed in upstream version 1.11.11 by preventing pserver
    from running as root. For Debian this problem is solved in version
    1.11.1p1debian-9 in two different ways:
    * pserver is no longer allowed to use root to access repositories
    * a new /etc/cvs-repouid is introduced which can be used by the system
      administrator to override the unix account used to access a
      repository. More information on this change can be found at
    Additionaly, CVS pserver had a bug in parsing module requests which
    could be used to create files and directories outside a repository.
    This has been fixed upstream in version 1.11.11 and Debian version
    1.11.1p1debian-9 .
    Finally, the umask used for 'cvs init' and 'cvs-makerepos' has been
    changed to prevent repositories from being created with group write
    Upgrade instructions
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    Debian 3.0 (stable)
    - -------------------
      Stable was released for alpha, arm, hppa, i386, ia64, m68k, mips, mipsel,
      powerpc, s390 and sparc.
      Source archives:
          Size/MD5 checksum:  2621658 500965ab9702b31605f8c58aa21a6205
          Size/MD5 checksum:    49416 74746359d1b7a9cd0459ddeaa6ec52a7
          Size/MD5 checksum:      681 c4089836fe7f6b777920dd37d09e982d
      alpha architecture (DEC Alpha)
          Size/MD5 checksum:  1178446 3cf372c97a66e10408a1993c700e6455
      arm architecture (ARM)
          Size/MD5 checksum:  1104912 99a2b7f564e27a90cb6ac38db7a9fa18
      hppa architecture (HP PA RISC)
          Size/MD5 checksum:  1147010 b63a001a84b329e9d34881d7f5489538
      i386 architecture (Intel ia32)
          Size/MD5 checksum:  1085664 6d7f9f5a8730595d9ad88560b7474816
      ia64 architecture (Intel ia64)
          Size/MD5 checksum:  1270560 d7b54232097970cb7bdbded45509c45b
      m68k architecture (Motorola Mc680x0)
          Size/MD5 checksum:  1065192 ba851f9e52e3e2997c4539f326447fcc
      mips architecture (MIPS (Big Endian))
          Size/MD5 checksum:  1129342 129daa41b09beab02ec928d29804f013
      mipsel architecture (MIPS (Little Endian))
          Size/MD5 checksum:  1130598 17e765475f74a5915506b469f5ddd136
      powerpc architecture (PowerPC)
          Size/MD5 checksum:  1115824 1c16543513c2dd1ca7e76390b8203f86
      s390 architecture (IBM S/390)
          Size/MD5 checksum:  1096674 91003d24a1db0be271fe41296a76390c
      sparc architecture (Sun SPARC/UltraSPARC)
          Size/MD5 checksum:  1106822 e93a0f77253cadcfcce494f828f6fd2f
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