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Last updated: 4/25/2014

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Vulnerability Summary for CVE-2007-5469

Original release date: 10/15/2007
Last revised: 09/05/2008
Source: US-CERT/NIST

Overview

** DISPUTED ** OpenSER 1.2.2 does not verify the Digest authentication header URI against the Request URI in SIP messages, which allows remote attackers to use sniffed Digest authentication credentials to call arbitrary telephone numbers or spoof caller ID (aka "toll fraud and authentication forward attack"). NOTE: Debian disputes this issue, stating that "having the two URIs mismatch is allowed by the standard and happens in some setups for valid reasons."

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.0 (MEDIUM) (AV:N/AC:L/AU:N/C:P/I:N/A:N) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information

References to Advisories, Solutions, and Tools

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External Source: SECUNIA
Name: 27204
Type: Advisory
External Source: XF
Name: callmanager-openser-sip-call-hijacking(37197)
External Source: FULLDISC
Name: 20071015 CallManager and OpeSer toll fraud and authentication forward attack
External Source: BID
Name: 26057
External Source: MISC
Name: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=446956
External Source: FULLDISC
Name: 20071015 CallManager and OpeSer toll fraud and authentication forward attack
External Source: FULLDISC
Name: 20071012 CallManager and OpeSer toll fraud and authentication forward attack

Vulnerable software and versions

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Technical Details

Vulnerability Type (View All)
  • Permissions, Privileges, and Access Control (CWE-264)