CVE-2004-1940

MEDIUM 5.0CVE-2004-1940 · Published 31/12/2004 · updated 16/06/2026

In short

CVE-2004-1940 is a MEDIUM (CVSS 5.0) vulnerability affecting kphone (wirlab).
Chance of exploitation in the next 30 days (EPSS): 4.1%, higher than 90.9% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
kphone wirlab	`≤ 4.0.1`	No fix yet

Description

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.

References

marc.info · Mailing List
securiteam.com/unixfocus/5PP0B1FCLY.html · Broken Link
securityfocus.com/bid/10159 · Broken Link
wirlab.net/kphone/changes-4.0.2.html · Broken Link
exchange.xforce.ibmcloud.com/vulnerabilities/15874 · Broken Link

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