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Last updated: 12/27/2014 1:38:05 PM

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National Cyber Awareness System

Vulnerability Summary for CVE-2011-2678

Original release date: 07/07/2011
Last revised: 09/21/2011
Source: US-CERT/NIST

Overview

The Cisco VPN Client 5.0.7.0240 and 5.0.7.0290 on 64-bit Windows platforms uses weak permissions (NT AUTHORITY\INTERACTIVE:F) for cvpnd.exe, which allows local users to gain privileges by replacing this executable file with an arbitrary program, aka Bug ID CSCtn50645. NOTE: this vulnerability exists because of a CVE-2007-4415 regression.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 6.8 (MEDIUM) (AV:L/AC:L/Au:S/C:C/I:C/A:C) (legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.1
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: BUGTRAQ
Name: 20110628 NGS00051 Technical Advisory: Cisco VPN Client Privilege Escalation
External Source: MISC
Name: http://isc.sans.edu/diary.html?storyid=11125
External Source: CISCO
Name: 20070815 Local Privilege Escalation Vulnerabilities in Cisco VPN Client
Type: Advisory
External Source: SREASON
Name: 8297
External Source: XF
Name: cisco-vpn-cvpnd-priv-esc(68485)

Vulnerable software and versions

+ Configuration 1
+ AND
+ OR
* cpe:/a:cisco:vpn_client:5.0.7.0240
* cpe:/a:cisco:vpn_client:5.0.7.0290
+ OR
cpe:/o:microsoft:windows

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)