Davin McCall dlogin Buffer Overflow Vulnerability

BID:4043

Info

Davin McCall dlogin Buffer Overflow Vulnerability

Bugtraq ID: 4043
Class: Boundary Condition Error
CVE:
Remote: No
Local: Yes
Published: Feb 05 2002 12:00AM
Updated: Feb 05 2002 12:00AM
Credit: Published in the dlogin Changelog.
Vulnerable: Davin McCall dlogin 1.0 a
Not Vulnerable: Davin McCall dlogin 1.0 b

Discussion

Davin McCall dlogin Buffer Overflow Vulnerability

dlogin is a replacement for the Unix login utility, targetted at home users of Linux systems. It supports a variety of convenience features for local console users, including the ability to log onto additional virtual terminals without the need to reauthenticate, and allowing local console users to perform a variety of system tasks without the need to authenticate as root.

A vulnerability exists in some versions of dlogin. It is possible to overflow a buffer. While further details are not currently available, overflows may lead to stack corruption, and to eventual execution of arbitrary code.

Exploit / POC

Davin McCall dlogin Buffer Overflow Vulnerability

Currently the SecurityFocus staff are not aware of any exploits for this issue. If you feel we are in error or are aware of more recent information, please mail us at: [email protected] <mailto:[email protected]>.

Solution / Fix

Davin McCall dlogin Buffer Overflow Vulnerability

Solution:
Version 1.0b fixes this vulnerability:


Davin McCall dlogin 1.0 a

References

Davin McCall dlogin Buffer Overflow Vulnerability

References:

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