Re: CERT Advisory CA-99.13 - Multiple Vulnerabilities in WU-FTPD

From: Gregory A Lundberg (lundbergat_private)
Date: Thu Oct 21 1999 - 17:00:47 PDT

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    On Wed, Oct 20, 1999 at 03:16:51PM -0700, Richard Trott wrote:
    
    > > WU-FTPD and BeroFTPD
    > >
    > >    Vulnerability #1:
    > >
    > >    Not vulnerable:
    > >           versions 2.4.2 and all betas and earlier versions
    > >           Vulnerable:
    > >           wu-ftpd-2.4.2-beta-18-vr4 through wu-ftpd-2.4.2-beta-18-vr15
    > >           wu-ftpd-2.4.2-vr16 and wu-ftpd-2.4.2-vr17
    > >           wu-ftpd-2.5.0
    > >           BeroFTPD, all versions
    >
    > CERT appears to have left out wu-ftpd-2.6.0 (although they included it in
    > the lists for the other two vulnerabilities).
    >
    > Version 2.6.0 does *not* have the "MAPPING_CHDIR Buffer Overflow"
    > vulnerability, at least if the ANNOUNCE-RELEASE file for that version is
    > to be believed.  It reads, in part:
    >
    > "Corrected an error in the MAPPING_CHDIR feature which could be used to
    > gain root privileges on the server."
    >
    > Presumably, this refers to this vulnerability.
    
    Mia culpa.
    
    --
    
    Gregory A Lundberg              Senior Partner, VRnet Company
    1441 Elmdale Drive              lundbergat_private
    Kettering, OH 45409-1615 USA    1-800-809-2195
    



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