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Mandrake: fetchmail denial of service vulnerability Print E-mail
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Posted by Team   
Mandrake A vulnerability was discovered in all versions of fetchmail <6.2.0 that allows a remote attacker to crash fetchmail and potentially execute arbitrary code by sending carefully crafted email wihch is then parsed by fetchmail.


                Mandrake Linux Security Update Advisory

Package name:           fetchmail
Advisory ID:            MDKSA-2003:011
Date:                   January 27th, 2003

Affected versions:      7.2, 8.0, 8.1, 8.2, 9.0,
                        Single Network Firewall 7.2

Problem Description:

 A vulnerability was discovered in all versions of fetchmail prior to 6.2.0
 that allows a remote attacker to crash fetchmail and potentially execute
 arbitrary code by sending carefully crafted email wihch is then parsed by
 fetchmail.  The vulnerability has been fixed in these patched packages of


Updated Packages:

 Linux-Mandrake 7.2:
 09b09cfc1201855f7054b4a1220eb0ac  7.2/RPMS/fetchmail-6.1.0-1.1mdk.i586.rpm
 55d00ec08f33259a9e5d53547d96cdef  7.2/RPMS/fetchmail-daemon-6.1.0-1.1mdk.i586.rpm
 e8692ed27f42565d8da8f2cf473be549  7.2/RPMS/fetchmailconf-6.1.0-1.1mdk.i586.rpm
 dc7f71e43fb30f75ee528248e98fa79e  7.2/SRPMS/fetchmail-6.1.0-1.1mdk.src.rpm

 Mandrake Linux 8.0:
 30e487512f193b71028f179d6bbb3bc6  8.0/RPMS/fetchmail-6.1.0-1.1mdk.i586.rpm
 47d08cab20307e381421bb5570b5164e  8.0/RPMS/fetchmail-daemon-6.1.0-1.1mdk.i586.rpm
 dc6f30643789abf9b73253711e4e8970  8.0/RPMS/fetchmailconf-6.1.0-1.1mdk.i586.rpm
 dc7f71e43fb30f75ee528248e98fa79e  8.0/SRPMS/fetchmail-6.1.0-1.1mdk.src.rpm

 Mandrake Linux 8.0/PPC:
 eb00506275596e2918cf7981abfa065b  ppc/8.0/RPMS/fetchmail-6.1.0-1.1mdk.ppc.rpm
 22349788a64db2029a5f3f7530b1b821  ppc/8.0/RPMS/fetchmail-daemon-6.1.0-1.1mdk.ppc.rpm
 fbaa4b85c3c7dc56b40ca211eca60762  ppc/8.0/RPMS/fetchmailconf-6.1.0-1.1mdk.ppc.rpm
 dc7f71e43fb30f75ee528248e98fa79e  ppc/8.0/SRPMS/fetchmail-6.1.0-1.1mdk.src.rpm

 Mandrake Linux 8.1:
 daca21fc52493d1137741c65ba095a69  8.1/RPMS/fetchmail-6.1.0-1.1mdk.i586.rpm
 82d822a517f40ee3fe55cdbd55f113cc  8.1/RPMS/fetchmail-daemon-6.1.0-1.1mdk.i586.rpm
 0ee01bd3d00b4bc2c77280d0a47ab606  8.1/RPMS/fetchmailconf-6.1.0-1.1mdk.i586.rpm
 dc7f71e43fb30f75ee528248e98fa79e  8.1/SRPMS/fetchmail-6.1.0-1.1mdk.src.rpm

 Mandrake Linux 8.1/IA64:
 da314f2e2e2155291d008cedabf742df  ia64/8.1/RPMS/fetchmail-6.1.0-1.1mdk.ia64.rpm
 04eacceb0e19945292c4230a3134ebfa  ia64/8.1/RPMS/fetchmail-daemon-6.1.0-1.1mdk.ia64.rpm
 689127d42916516e1fb2dfa518fb54ed  ia64/8.1/RPMS/fetchmailconf-6.1.0-1.1mdk.ia64.rpm
 dc7f71e43fb30f75ee528248e98fa79e  ia64/8.1/SRPMS/fetchmail-6.1.0-1.1mdk.src.rpm

 Mandrake Linux 8.2:
 eb12f9ca8e39d0d39766651620fb9f6c  8.2/RPMS/fetchmail-6.1.0-1.1mdk.i586.rpm
 19500ee98ef039fd1756eee0665d0316  8.2/RPMS/fetchmail-daemon-6.1.0-1.1mdk.i586.rpm
 45155b86ff86c81dfdcaa4df143ae296  8.2/RPMS/fetchmailconf-6.1.0-1.1mdk.i586.rpm
 dc7f71e43fb30f75ee528248e98fa79e  8.2/SRPMS/fetchmail-6.1.0-1.1mdk.src.rpm

 Mandrake Linux 8.2/PPC:
 a76d42428ce53c6167a9d34b542e726f  ppc/8.2/RPMS/fetchmail-6.1.0-1.1mdk.ppc.rpm
 31d22b48b55fbb69b473e45f75b96f68  ppc/8.2/RPMS/fetchmail-daemon-6.1.0-1.1mdk.ppc.rpm
 9a1c7d26efd563c4612b8c92492a4e18  ppc/8.2/RPMS/fetchmailconf-6.1.0-1.1mdk.ppc.rpm
 dc7f71e43fb30f75ee528248e98fa79e  ppc/8.2/SRPMS/fetchmail-6.1.0-1.1mdk.src.rpm

 Mandrake Linux 9.0:
 0241b816670a5c34c5ac83a6f12caae5  9.0/RPMS/fetchmail-6.1.0-1.1mdk.i586.rpm
 cac767e27d2c40602276998a7caf8598  9.0/RPMS/fetchmail-daemon-6.1.0-1.1mdk.i586.rpm
 4f73e40b76887ebf2aa532cf00fd95e8  9.0/RPMS/fetchmailconf-6.1.0-1.1mdk.i586.rpm
 dc7f71e43fb30f75ee528248e98fa79e  9.0/SRPMS/fetchmail-6.1.0-1.1mdk.src.rpm

 Single Network Firewall 7.2:
 09b09cfc1201855f7054b4a1220eb0ac  snf7.2/RPMS/fetchmail-6.1.0-1.1mdk.i586.rpm
 55d00ec08f33259a9e5d53547d96cdef  snf7.2/RPMS/fetchmail-daemon-6.1.0-1.1mdk.i586.rpm
 e8692ed27f42565d8da8f2cf473be549  snf7.2/RPMS/fetchmailconf-6.1.0-1.1mdk.i586.rpm
 dc7f71e43fb30f75ee528248e98fa79e  snf7.2/SRPMS/fetchmail-6.1.0-1.1mdk.src.rpm

Bug IDs fixed (see for more information):

To upgrade automatically, use MandrakeUpdate.  The verification of md5
checksums and GPG signatures is performed automatically for you.

If you want to upgrade manually, download the updated package from one
of our FTP server mirrors and upgrade with "rpm -Fvh *.rpm".  A list of
FTP mirrors can be obtained from:

Please verify the update prior to upgrading to ensure the integrity of
the downloaded package.  You can do this with the command:

  rpm --checksig 

All packages are signed by MandrakeSoft for security.  You can obtain
the GPG public key of the Mandrake Linux Security Team from:

Please be aware that sometimes it takes the mirrors a few hours to

You can view other update advisories for Mandrake Linux at:

MandrakeSoft has several security-related mailing list services that
anyone can subscribe to.  Information on these lists can be obtained by

If you want to report vulnerabilities, please contact

Type Bits/KeyID     Date       User ID
pub  1024D/22458A98 2000-07-10 Linux Mandrake Security Team

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