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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.

Home >> Browse Vulnerability Assessment Database >> Gain root remotely >> SysV /bin/login buffer overflow (telnet)

Vulnerability Assessment Details

SysV /bin/login buffer overflow (telnet)

Vulnerability Assessment Summary
Attempts to overflow /bin/login

Detailed Explanation for this Vulnerability Assessment

The remote /bin/login seems to crash when it receives too many
environment variables.

A possible hacker may use this flaw to gain a root shell on this system.

See also : http://www.cert.org/advisories/CA-2001-34.html
Solution : Contact your vendor for a patch (or read the CERT advisory)
Network Security Threat Level: High

Networks Security ID: 3681, 7481

Vulnerability Assessment Copyright: This script is Copyright (C) 2001 Renaud Deraison

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