Linux Security
    Linux Security
    Linux Security

    Debian: 'proftpd' vulnerabilities

    Date 11 Feb 2001
    Posted By LinuxSecurity Advisories
    Remote DOS & potential buffer overflow exist with previous versions of proftpd
    Debian Security Advisory DSA-029-1                       This email address is being protected from spambots. You need JavaScript enabled to view it.                                Michael Stone
    February 11, 2001
    Package: proftpd
    Vulnerability: remote DOS & potential buffer overflow
    Debian-specific: no
    The following problems have been reported for the version of proftpd in
    Debian 2.2 (potato):
    1. There is a memory leak in the SIZE command which can result in a
    denial of service, as reported by Wojciech Purczynski. This is only a
    problem if proftpd cannot write to its scoreboard file; the default
    configuration of proftpd in Debian is not vulnerable.
    2. A similar memory leak affects the USER command, also as reported by
    Wojciech Purczynski. The proftpd in Debian 2.2 is susceptible to this
    vulnerability; an attacker can cause the proftpd daemon to crash by
    exhausting its available memory.
    3. There were some format string vulnerabilities reported by Przemyslaw
    Frasunek. These are not known to have exploits, but have been corrected
    as a precaution.
    All three of the above vulnerabilities have been corrected in
    proftpd-1.2.0pre10-2potato1. We recommend you upgrade your proftpd
    package immediately.
    wget url
            will fetch the file for you
    dpkg -i file.deb
            will install the referenced file.
    You may use an automated update by adding the resources from the
    footer to the proper configuration.
    Debian GNU/Linux 2.2 alias potato
      Potato was released for the alpha, arm, i386, m68k, powerpc and sparc
      Source archives:
          MD5 checksum: ac1f26e4effe5c6d46b9254b5edea94c
          MD5 checksum: 305a6c3ba88afd493d94a3ecd8f92db1
          MD5 checksum: a1c25e59bb4281e2f83000796dc52388
      Alpha architecture:
          MD5 checksum: 9f1deb1050544c51de8a5be6e1134d05
      ARM architecture:
          MD5 checksum: 7226be3c206b287959357e3186593a71
      Intel ia32 architecture:
          MD5 checksum: 13f9f7bfb44c09dc1a69fb678aad5f2c
      Motorola 680x0 architecture:
        Not yet available.
      PowerPC architecture:
          MD5 checksum: 9c03031c8de3da26686605fe7875b8b3
      Sun Sparc architecture:
          MD5 checksum: 1a17e4a65319645513ce86c174342d0e
      These files will be moved into*/binary-$arch/ soon.
    For not yet released architectures please refer to the appropriate
    directory$arch/ .
    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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