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CVE Record

CVE-2004-1940: sipclient.cpp in KPhone 4.0.1 and earlier allows remote attackers to cause a denial of service (crash) via...

sipclient.cpp in KPhone 4.0.1 and earlier allows remote attackers to cause a denial of service (crash) via a STUN response packet with a large attrLen value that causes an out-of-bounds read.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysis

Security readout for executives and security teams

CVE-2004-1940 is a remote crash issue in KPhone 4.0.1 and earlier. A malformed STUN response can make the SIP client read outside expected memory bounds, causing denial of service. The known business impact is availability loss for exposed legacy KPhone users, not data theft or system takeover. Exposure is likely limited to environments still running legacy KPhone 4.0.1 or earlier and processing STUN/SIP traffic from untrusted sources. Modern environments are unlikely to be affected unless old Linux desktop VoIP clients remain installed. Handle during legacy software risk reduction unless KPhone is actively used in exposed VoIP workflows. Prioritize replacement or vendor-confirmed upgrade for any remaining affected clients. Mitigation focus: Inventory systems for KPhone 4.0.1 and earlier.; Check KPhone 4.0.2/vendor guidance before treating upgrade status as fixed.; Restrict unnecessary SIP/STUN exposure to untrusted networks..

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Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

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Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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