Users login

Create an account »

JOIN XATRIX

Users login

Home » Hacking News » Conectiva CLA-2003:734: pam_smb remote buffer overflow

Conectiva CLA-2003:734: pam_smb remote buffer overflow

by Nikola Strahija on September 5th, 2003 A buffer overflow vulnerability has been discovered in the pam_smb module. An attacker can execute arbitrary code in the context of the program using the module by supplying a long password. Remote root access can be gained if remote services such as SSH or FTP are using the module (which is not enabled by default in any application distributed with Conectiva Linux).


- --------------------------------------------------------------------------
CONECTIVA LINUX SECURITY ANNOUNCEMENT
- --------------------------------------------------------------------------

PACKAGE : pam_smb
SUMMARY : Remote buffer overflow vulnerability
DATE : 2003-09-05 11:15:00
ID : CLA-2003:734
RELEVANT
RELEASES : 7.0, 8, 9

- -------------------------------------------------------------------------

DESCRIPTION
pam_smb is a PAM module that allows applications to authenticate
against a SMB server (such as Microsoft Windows(TM) or Samba).

A buffer overflow vulnerability has been discovered in the pam_smb
module. An attacker can execute arbitrary code in the context of the
program using the module by supplying a long password. Remote root
access can be gained if remote services such as SSH or FTP are using
the module (which is not enabled by default in any application
distributed with Conectiva Linux).

The Common Vulnerabilities and Exposures project (cve.mitre.org) has
assigned the name CAN-2003-0686 to this issue.


SOLUTION
All pam_smb users should upgrade.


REFERÊNCIAS:
1.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0686


UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/pam_smb-1.1.6-5U70_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/SRPMS/pam_smb-1.1.6-5U70_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/pam_smb-1.1.6-5U80_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/SRPMS/pam_smb-1.1.6-5U80_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/pam_smb-1.1.6-5728U90_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/SRPMS/pam_smb-1.1.6-5728U90_1cl.src.rpm


ADDITIONAL INSTRUCTIONS
The apt tool can be used to perform RPM packages upgrades:

- run: apt-get update
- after that, execute: apt-get upgrade

Detailed instructions reagarding the use of apt and upgrade examples
can be found at http://distro.conectiva.com.br/atualizacoes/#apt?idioma=en

- -------------------------------------------------------------------------
All packages are signed with Conectiva's GPG key. The key and instructions
on how to import it can be found at
http://distro.conectiva.com.br/seguranca/chave/?idioma=en
Instructions on how to check the signatures of the RPM packages can be
found at http://distro.conectiva.com.br/seguranca/politica/?idioma=en

- -------------------------------------------------------------------------
All our advisories and generic update instructions can be viewed at
http://distro.conectiva.com.br/atualizacoes/?idioma=en

- -------------------------------------------------------------------------
Copyright (c) 2003 Conectiva Inc.
http://www.conectiva.com

- -------------------------------------------------------------------------
subscribe: [email protected]
unsubscribe: [email protected]
- -------------------------------------------------------------------------


Newsletter signup

Signup to our monthly newsletter and stay in touch with IT news!

Free E-books

We've got ebooks! But they're not online. :( Please give us a few days to bring downloads back.

Contact

Have something to say or just wanna drop us a line? Please keep this in mind: to spam, we reply with spam.

Contact us »