Secunia Security Advisory - Jon Hart has reported a vulnerability in Net Direct Client for Linux, which can be exploited by malicious, local users to gain escalated privileges.
6de2120d4b4f5361128f0455ac180bd4b49d2fe6ba623947f432b7681024c7c0
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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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