eSO Security Advisory: 4126
Discovery Date: October 15, 2001
ID: eSO:4126
Title: Lotus Domino bindsock Notes_ExecDirectory
                        buffer overflow vulnerability
Impact: Local attackers can gain root privileges
Affected Technology: Lotus Domino 5.0.4 on Linux
                        Lotus Domino 5.0.4a on Linux
                        Lotus Domino 5.0.5 on Linux
                        Lotus Domino 5.0.6 on Linux
                        Lotus Domino 5.0.6a on Linux
                        Lotus Domino 5.0.7 on Linux
                        Lotus Domino 5.0.7a on Linux
                        Lotus Domino 5.0.8 on Linux
                        Lotus Domino 5.0.9 on Linux
Vendor Status: Patches are available
Discovered By: Kevin Kotas of the eSecurityOnline Research
                        and Development Team
Technical Contributor: Richard Johnson of the eSecurityOnline
                        Research and Development Team
CVE Reference: CAN-2002-0086

Advisory Location:
http://www.eSecurityOnline.com/advisories/eSO4126.asp

Description:
Lotus Domino bindsock is vulnerable to a buffer overflow condition
that allows a local attacker to gain root privileges. The problem is
due to insufficient bounds checking for the Notes_ExecDirectory
environment variable. An attacker can use a string for
Notes_ExecDirectory that, when processed, will execute arbitrary
code.

Technical Recommendation:
Upgrade with the latest version available. Lotus Domino version
5.0.9a is not vulnerable to the issue.

Vendor Reference:
Technote #191637

Acknowledgements:
eSecurityOnline would like to thank Lotus Security for their
cooperation in resolving the issue.

Copyright 2002 eSecurityOnline LLC. All rights reserved.

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PURPOSE. ESECURITYONLINE LLC SHALL HAVE NO LIABILITY FOR ANY DAMAGE,
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THIS VULNERABILITY ALERT.

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