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Last updated: 4/23/2014

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National Cyber Awareness System

Vulnerability Summary for CVE-2007-1057

Original release date: 02/21/2007
Last revised: 03/07/2011
Source: US-CERT/NIST

Overview

The Net Direct client for Linux before 6.0.5 in Nortel Application Switch 2424, VPN 3050 and 3070, and SSL VPN Module 1000 extracts and executes files with insecure permissions, which allows local users to exploit a race condition to replace a world-writable file in /tmp/NetClient and cause another user to execute arbitrary code when attempting to execute this client, as demonstrated by replacing /tmp/NetClient/client.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 6.9 (HIGH) (AV:L/AC:M/AU:N/C:C/I:C/A:C) (legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.4
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Provides administrator access, Allows complete confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: SECUNIA
Name: 24231
Type: Advisory
External Source: CONFIRM
Name: http://www116.nortelnetworks.com/pub/repository/CLARIFY/DOCUMENT/2007/08/021886-01.pdf
External Source: OSVDB
Name: 33304
External Source: CONFIRM
Name: http://www130.nortelnetworks.com/go/main.jsp?cscat=BLTNDETAIL&DocumentOID=540071
Type: Patch Information
External Source: MILW0RM
Name: 3356
External Source: VUPEN
Name: ADV-2007-0671
External Source: SECTRACK
Name: 1017678
External Source: XF
Name: netdirect-permissions-privilege-escalation(32597)
External Source: MISC
Name: http://spoofed.org/blog/archive/2007/02/nortel_vpn_unix_client_local_root_compromise.html
External Source: BID
Name: 22632

Technical Details

Vulnerability Type (View All)