Qpopper long bulldir buffer overflow
| qpopper-bulldir-bo (8949) |  High 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.
Platforms Affected:
- Qualcomm, Qpopper 4.0.3
- Qualcomm, Qpopper 4.0.4
- SCO, Caldera OpenServer 5.0.5
- SCO, Caldera OpenServer 5.0.6
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.
Consequences:
Gain Privileges
References:
- BugTraq Mailing List, Sun Apr 28 2002 - 14:21:14 CDT, QPopper 4.0.4 buffer overflow at http://archives.neohapsis.com/archives/bugtraq/2002-04/0388.html.
- Caldera International, Inc. Security Advisory CSSA-2002-SCO.20, OpenServer 5.0.5 OpenServer 5.0.6 : popper buffer overflow and denial-of-service at ftp://stage.caldera.com/pub/security/openserver/CSSA-2002-SCO.20/CSSA-2002-SCO.20.txt.
- Marcell Fodor's Web site, security bug report 28.04.2002 at http://www.freeweb.hu/mantra/04_2002/popper.htm.
- Qualcomm Web site, Qpopper Home Page at http://www.eudora.com/qpopper/.
- BID-4614: Qualcomm QPopper Bulletin Name Buffer Overflow Vulnerability
- CVE-2002-0889: Buffer overflow in Qpopper (popper) 4.0.4 and earlier allows local users to cause a denial of service and possibly execute arbitrary code via a long bulldir argument in the user's .qpopper-options configuration file.
Reported:
Apr 28, 2002
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