reSIProcate DnsStub.cxx SIP INVITE or OPTIONS message denial of service

resiprocate-dnsstub-dos (43770)

Medium Risk

Description:

reSIProcate is vulnerable to a denial of service, caused by an error in DnsStub.cxx when handling domain names. By sending an INVITE or OPTIONS message containing an overly long domain name in the request line URI, a remote attacker could cause the affected application to crash.

*CVSS:

Base Score:	5
Access Vector:	Network
Access Complexity:	Low
Authentication:	None
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Partial
Temporal Score:	4.4
Exploitability:	High
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Denial of Service

Remedy:

Upgrade to the latest version of reSIProcate (1.3.3 or later), available from the ReSIProcate Web site. See References.

References:

• ReSIProcate Web site: Release Notes v 1.3.3.
• [MU-200807-01] July 10, 2008: Remote DoS in reSIProcate.
• BID-30194: ReSIProcate INVITE and OPTIONS Messages DNS Resolver Remote Denial of Service Vulnerability
• CVE-2008-3210: rutil/dns/DnsStub.cxx in ReSIProcate 1.3.2, as used by repro, allows remote attackers to cause a denial of service (daemon crash) via a SIP (1) INVITE or (2) OPTIONS message with a long domain name in a request URI, which triggers an assert error.
• SA31058: reSIProcate Long Domain Name Denial of Service

Platforms Affected:

• reSIProcate reSIProcate 1.3.2

Reported:

Jul 10, 2008

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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