Qpopper long bulldir buffer overflow

qpopper-bulldir-bo (8949) The risk level is classified as HighHigh Risk


Qualcomm Qpopper is vulnerable to a buffer overflow. By setting the bulldir parameter in their configuration file to an overly long string, a local attacker can overflow the bullName (bulletin name) buffer and execute arbitrary code on the system or cause the mail server to crash.


Gain Privileges


For Caldera OpenServer 5.0.5 and 5.0.6:
Upgrade to the appropriate fixed binaries for your system, as listed in Caldera International, Inc. Security Advisory CSSA-2002-SCO.20. See References.

For other distributions:
Contact your vendor for upgrade or patch information.


Platforms Affected:

  • Qualcomm Qpopper 4.0.3
  • Qualcomm Qpopper 4.0.4
  • SCO Caldera OpenServer 5.0.5
  • SCO Caldera OpenServer 5.0.6


Apr 28, 2002

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