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Last updated: 4/23/2014

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National Cyber Awareness System

Vulnerability Summary for CVE-2007-2233

Original release date: 04/25/2007
Last revised: 03/07/2011
Source: US-CERT/NIST

Overview

cosign-bin/cosign.cgi in Cosign 2.0.2 and earlier allows remote authenticated users to perform unauthorized actions as an arbitrary user by using CR (\r) sequences in the service parameter to inject LOGIN and REGISTER commands with the desired username.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 6.5 (HIGH) (AV:N/AC:L/AU:S/C:P/I:P/A:P) (legend)
Impact Subscore: 6.4
Exploitability Subscore: 8.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Required to exploit
Impact Type: Provides user account access, Allows partial 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: BUGTRAQ
Name: 20070411 Cosign SSO Authentication Bypass
Type: Advisory; Patch Information
External Source: VUPEN
Name: ADV-2007-1359
External Source: CONFIRM
Name: http://www.umich.edu/~umweb/software/cosign/cosign-vuln-2007-002.txt
Type: Advisory
External Source: SECUNIA
Name: 24845
Type: Advisory; Patch Information

Technical Details

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