Linux Security
    Linux Security
    Linux Security

    Debian: wu-ftpd Multiple vulnerabilities

    Date 09 Mar 2004
    Posted By LinuxSecurity Advisories
    These vulnerabilities allow a malicious user to bypass directory access restrictions and execute arbitrary code.
    Debian Security Advisory DSA 457-1                     This email address is being protected from spambots. You need JavaScript enabled to view it.                             Matt Zimmerman
    March 8th, 2004                
    - --------------------------------------------------------------------------
    Package        : wu-ftpd
    Vulnerability  : several
    Problem-Type   : remote
    Debian-specific: no
    CVE Ids        : CAN-2004-0148 CAN-2004-0185
    Two vulnerabilities were discovered in wu-ftpd:
     CAN-2004-0148 - Glenn Stewart discovered that users could bypass the
     directory access restrictions imposed by the restricted-gid option by
     changing the permissions on their home directory.  On a subsequent
     login, when access to the user's home directory was denied, wu-ftpd
     would fall back to the root directory.
     CAN-2004-0185 - A buffer overflow existed in wu-ftpd's code which
     deals with S/key authentication.
    For the stable distribution (woody) these problems have been fixed in
    version 2.6.2-3woody4.
    For the unstable distribution (sid) these problems have been fixed in
    version 2.6.2-17.1.
    We recommend that you update your wu-ftpd 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:
          Size/MD5 checksum:      607 ced69dc6017f9afd9ea2e993e5570084
          Size/MD5 checksum:   100777 399c02a6d064f2aef676fba75db3964a
          Size/MD5 checksum:   354784 b3c271f02aadf663b8811d1bff9da3f6
      Architecture independent components:
          Size/MD5 checksum:     3482 ef0f9788eecfa4290bbcea8e259b48e2
      Alpha architecture:
          Size/MD5 checksum:   291786 5d9f21b554fc210956d2e46e7e817bc8
      ARM architecture:
          Size/MD5 checksum:   265480 0820e29ec495c37629c79018bab2d267
      Intel IA-32 architecture:
          Size/MD5 checksum:   257234 be096867b80cd54f46e3ce5615886537
      Intel IA-64 architecture:
          Size/MD5 checksum:   321396 9042bd62637c9a38469681de0711e39a
      HP Precision architecture:
          Size/MD5 checksum:   276170 61272ad0cb9bd68cfbe55c1ec68109b1
      Motorola 680x0 architecture:
          Size/MD5 checksum:   249496 54ac511d90b1082fed2528e412ddd913
      Big endian MIPS architecture:
          Size/MD5 checksum:   273044 07acbf48ee5b459af762f48df3c8cf81
      Little endian MIPS architecture:
          Size/MD5 checksum:   273172 ca3dd63e1f9340605cdd1bc71bf70698
      PowerPC architecture:
          Size/MD5 checksum:   268476 6a8df56549ab599125d5bc627ac0d51d
      IBM S/390 architecture:
          Size/MD5 checksum:   263268 aa81a92d47b93214ccbedba1e1871e4e
      Sun Sparc architecture:
          Size/MD5 checksum:   270514 9f6ddd158ba0cc9bd778ba8dfc3d75db
      These files will probably be moved into the stable distribution on
      its next revision.
    - ---------------------------------------------------------------------------------
    For apt-get: deb stable/updates main
    For dpkg-ftp: dists/stable/updates/main
    Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.
    Package info: `apt-cache show ' and


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