Linux Security
    Linux Security
    Linux Security

    Debian: 'gnupg' multiple vulnerabilities

    Date 18 Jun 2001
    Posted By LinuxSecurity Advisories
    A printf format string attack and "web of trust" pollution vulnerabilities have been fixed.
    Debian Security Advisory DSA-061-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.                         Wichert Akkerman
    June 16, 2001
    Package        : gnupg
    Problem type   : printf format attack
                     web of trust pollution
    Debian-specific: no
    The version of GnuPG (GNU Privacy Guard, an OpenPGP implementation)
    as distributed in Debian GNU/Linux 2.2 suffers from two problems:
    fish stiqz reported on bugtraq that there was a printf format
    problem in the do_get() function: it printed a prompt which included
    the filename that was being decrypted without checking for
    possible printf format attacks. This could be exploited by tricking
    someone into decrypting a file with a specially crafted filename.
    The second bug is related to importing secret keys: when gnupg
    imported a secret key it would immediately make the associated
    public key fully trusted which changes your web of trust without
    asking for a confirmation. To fix this you now need a special
    option to import a secret key.
    Both problems have been fixed in version 1.0.6-0potato1.
    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: 4928a4a589c11cadea852347d23edf5a
          MD5 checksum: e6057febed9106dfc9f77fb61fbd0ca4
          MD5 checksum: 7c319a9e5e70ad9bc3bf0d7b5008a508
      Alpha architecture:
          MD5 checksum: 76c3f586b91bba1c69a6fb6ea93a2fbd
      ARM architecture:
          MD5 checksum: 84a47897a38f44b07180e9a9ec16ab49
      Intel IA-32 architecture:
          MD5 checksum: d3a91ccc9d1c951b80afe17e59190db3
      Motorola 680x0 architecture:
          MD5 checksum: 6b12f23b3c3840574af826db147ed9cd
      PowerPC architecture:
          MD5 checksum: a5a9bffdce2abf112c2058097f48f784
      Sun Sparc architecture:
          MD5 checksum: 487c0d605ff5b3fdce2212d4e9c07bf0
      These packages will be moved into the stable distribution on its next
    For not yet released architectures please refer to the appropriate
    directory$arch/ .
    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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