2084 : GBBS Pro BBS Userlist Display Privilege Escalation
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Info

Last Modified

7 months ago

Percent Complete

95%

Disclosure

Jan 27, 1987

Discovery

Unknown

Dates

Exploit

Jan 27, 1987

Solution

Unknown

Description

GBBS Pro BBS contains a flaw that may allow a user to gain SYSOP privileges. The issue occurs when an unprivileged user reads the userlist and forces a disconnect when it displays the SYSOP. If the user calls back immediately and logs on, they may gain full SYSOP privileges.

Classification

Location: Dialup Access Required
Attack Type: Input Manipulation
Impact: Loss of Integrity
Exploit: Exploit Available

Solution

Currently, there are no known upgrades, patches, or workarounds available to correct this issue.

Products

GBBS

Bulletin Board

PRO

References

Generic Informational URL: http://software.bbsdocumentary.com/APPLE/II/GBBSPRO/gladiator.txt
Other Advisory URL: http://www.palmcoder.net/files/Archives/hacking/bbsenter.txt

Credit

Mr. Memorex -

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