Qpopper long bulldir buffer overflow

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

Description:

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.


Consequences:

Gain Privileges

Remedy:

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.

References:

Platforms Affected:

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

Reported:

Apr 28, 2002

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