New versions of cron fixes possible root exploit

    Date13 Dec 1999
    CategoryDebian
    2648
    Posted ByLinuxSecurity Advisories
    Red Hat has recently released a Security Advisory (RHSA-1999:030-01) covering a reverse denial of service bug in the vixie cron package. As user you could restart sendmail even if the host should not receive mail through the SMTP port.
    ----------------------------------------------------------------------------
    Debian Security Advisory                                 This email address is being protected from spambots. You need JavaScript enabled to view it.
    http://www.debian.org/security/      
                             Martin Schulze
    August 30, 1999
    ----------------------------------------------------------------------------
    
    
    Red Hat has recently released a Security Advisory (RHSA-1999:030-01)
    covering a reverse denial of service bug in the vixie cron package.
    As user you could restart sendmail even if the host should not receive
    mail through the SMTP port.
    
    Further investigation of Caldera and Debian discovered that it was
    even worse.  Red Hat did find a root exploit but didn' notice.  When
    sending a mail to the user Vixie Cron ran as root, not checking the
    mail address that was passed to sendmail on the commandline.
    
    
    We recommend you upgrade your cron package immediately.
    
    
    wget url
    	will fetch the file for you
    dpkg -i file.deb
            will install the referenced file.
    
    
    Debian GNU/Linux 2.1 alias slink
    --------------------------------
    
      This version of Debian was released only for the Intel, the
      Motorola 68xxx, the alpha and the Sun sparc architecture.
    
      Source archives:
    
        http://security.debian.org/dists/stable/updates/source/cron_3.0pl1
    -50.2.diff.gz
          MD5 checksum: 96a4b55e06127c4a6cf31ee511227adb
        http://security.debian.org/dists/stable/updates/source/cron_3.0pl1-
    50.2.dsc
          MD5 checksum: 3998735f00d3f10a5e290227db6bf611
        http://security.debian.org/dists/stable/updates/source/cron_3.0pl1.orig.ta
    r.gz
          MD5 checksum: 4c64aece846f8483daf440f8e3dd210f
    
      Alpha architecture:
    
        http://security.debian.org/dists/stable/updates/binary-
    alpha/cron_3.0pl1-50.2_alpha.deb
          MD5 checksum: cbab162fffd7dba71373b3eb62201b52
    
      Intel ia32 architecture:
    
        http://security.debian.org/dists/stable/updates/binary-
    i386/cron_3.0pl1-50.2_i386.deb
          MD5 checksum: 85d9ffff103d0121101b7b80817d0abe
    
      Motorola 680x0 architecture:
    
        http://security.debian.org/dists/stable/updates/binary-
    m68k/cron_3.0pl1-50.2_m68k.deb
          MD5 checksum: 62a039991c237a92c4a3cdcef4a328d7
    
      Sun Sparc architecture:
    
        http://security.debian.org/dists/stable/updates/binary-
    sparc/cron_3.0pl1-50.2_sparc.deb
          MD5 checksum: 56f5e099ab621572b560706e1eec9ebb
    
    
    Debian GNU/Linux pre2.2 alias potato
    ------------------------------------
    
      Source archives:
    
        http://security.debian.org/dists/unstable/updates/source/cron_3.0pl1
    -52.diff.gz
          MD5 checksum: f500a0dc7175d64de4822f159a51d739
        http://security.debian.org/dists/unstable/updates/source/cron_3.0pl1-
    52.dsc
          MD5 checksum: 1a16af335a106805ecdd6585a75ee61a
        http://security.debian.org/dists/unstable/updates/source/cron_3.0pl1.ori
    g.tar.gz
          MD5 checksum: 4c64aece846f8483daf440f8e3dd210f
    
      Alpha architecture:
    
        http://security.debian.org/dists/unstable/updates/binary-
    alpha/cron_3.0pl1-52_alpha.deb
          MD5 checksum: 8e5246a79269b8f489a3cdb7efc41661
    
      ARM architecture:
    
        http://security.debian.org/dists/unstable/updates/binary-
    arm/cron_3.0pl1-52_arm.deb
          MD5 checksum: 8d103d4a60ec94d1f0fb07caabd34575
    
      Intel ia32 architecture:
    
        http://security.debian.org/dists/unstable/updates/binary-
    i386/cron_3.0pl1-52_i386.deb
          MD5 checksum: a7f8de4f43aa21e2fe94fe602c6c2c83
    
      Motorola 680x0 architecture:
    
        http://security.debian.org/dists/unstable/updates/binary-
    m68k/cron_3.0pl1-52_m68k.deb
          MD5 checksum: b2e866ecc10e95094202327eab5fc0fd
    
      PowerPC architecture:
    
        http://security.debian.org/dists/unstable/updates/binary-
    powerpc/cron_3.0pl1-52_powerpc.deb
          MD5 checksum: 058a25564bc7c9c6fb153eafa0126cee
    
      Sun Sparc architecture:
    
        http://security.debian.org/dists/unstable/updates/binary-
    sparc/cron_3.0pl1-52_sparc.deb
          MD5 checksum: ed34f37c41d9322ba094ede04d8d2e16
    
    
    For not yet released architectures please refer to the appropriate
    directory ftp://ftp.debian.org/debian/dists/sid/binary-$arch/ .
    
    ----------------------------------------------------------------------------
    For apt-get: deb http://security.debian.org/ stable 
    updates
    For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates
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