Linux Security
    Linux Security
    Linux Security

    Debian: 'sudo' Local buffer overflow vulnerability

    Date 25 Apr 2002
    Posted By LinuxSecurity Advisories
    A buffer overflow in the variable expansion codeused by sudo for its prompt has been fixed. Since sudo is necessarily installed suidroot a local user can use this to gain root access.
    Debian Security Advisory DSA-128-1                   This email address is being protected from spambots. You need JavaScript enabled to view it. Wichert Akkerman
    April 26, 2002
    Package        : sudo
    Problem type   : buffer overflow
    Debian-specific: no
    fc found a buffer overflow in the variable expansion code
    used by sudo for its prompt. Since sudo is necessarily installed suid
    root a local user can use this to gain root access.
    This has been fixed in version 1.6.2-2.2 and we recommend that you upgrade
    your sudo package immediately.
    wget url
            will fetch the file for you
    dpkg -i file.deb
            will install the referenced file.
    Debian GNU/Linux 2.2 alias potato
      Potato was released for alpha, arm, i386, m68k, powerpc and sparc.
      Source archives:
    MD5 checksum: 958560c409b43bd13463b3d380fc534a
    MD5 checksum: 7323f0f3614513156120ccc4772524f8
    MD5 checksum: dd5944c880fd5cc56bc0f0199e92d2b4
      Alpha architecture:
    MD5 checksum: 66cb0d4f730560fddba65e44dd78c34d
      ARM architecture:
    MD5 checksum: f74bae46ebd07bd8f430261153d13f90
      Intel IA-32 architecture:
    MD5 checksum: 9ac9b91818dd7b2f2888aa39aac0da98
      Motorola 680x0 architecture:
    MD5 checksum: 46f6d595363d23c96701cd303511e1a5
      PowerPC architecture:
    MD5 checksum: 66c23d2544e9a8f19c57c919a4a751c9
      Sun Sparc architecture:
    MD5 checksum: 9654ecac0230abe0f28524469fb5887e
      These packages will be moved into the stable distribution on its next
    apt-get: deb stable/updates main
    dpkg-ftp: dists/stable/updates/main
    Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.


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