5879 : ptylogin Modem Login Password Theft
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Info

Last Modified

9 months ago

Percent Complete

100%

Disclosure

Jan 27, 1999

Discovery

Unknown

Dates

Exploit

Unknown

Solution

Unknown

Description

UNIX modem tty contains a flaw that may lead to an unauthorized password exposure. It is possible to gain access to passwords when has access to the modem tty when dialing into a UNIX system, which may lead to a loss of confidentiality, integrity and/or availability.

Classification

Location: Remote/Network Access Required
Attack Type: Denial of Service
Impact: Loss of Integrity, Loss of Availability
Exploit: Exploit Unknown

Solution

Currently, there are no known upgrades or patches to correct this issue. It is possible to correct the flaw by implementing the following workaround(s):
use the mgetty-1.1.20 provided ``ptylogin'' program as login program, or you use rlogin.

Products

UNIX

modem tty

All Versions

References

ISS X-Force ID: 1681
CVE ID: 1999-0359 (see also: NVD)
Related OSVDB ID: 5877 5878
Mail List Post: http://archives.neohapsis.com/archives/bugtraq/1999_1/0407.html

Credit

Marc Schaefer - schaeferalphanet.ch -

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