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TITLE:
Nortel Net Direct Client for Linux Privilege Escalation

SECUNIA ADVISORY ID:
SA24231

VERIFY ADVISORY:
http://secunia.com/advisories/24231/

CRITICAL:
Less critical

IMPACT:
Privilege escalation

WHERE:
Local system

SOFTWARE:
Nortel Net Direct Client for Linux 6.x
http://secunia.com/product/13523/

DESCRIPTION:
Jon Hart has reported a vulnerability in Net Direct Client for Linux,
which can be exploited by malicious, local users to gain escalated
privileges.

The vulnerability is caused by a combination of insecure permissions
and a race condition when downloading and executed client binaries.
This can be exploited to execute arbitrary commands with root
privileges when a user uses the VPN client.

The vulnerability is reported in versions 6.0.1 through 6.0.3.

SOLUTION:
Update to version 6.0.5.

PROVIDED AND/OR DISCOVERED BY:
Jon Hart, spoofed.org.

ORIGINAL ADVISORY:
Nortel Networks:
http://www130.nortelnetworks.com/go/main.jsp?cscat=BLTNDETAIL&DocumentOID=540071

Jon Hart:
http://spoofed.org/blog/archive/2007/02/nortel_vpn_unix_client_local_root_compromise.html

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About:
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