{"id":"CVE-2004-1940","aliases":["EUVD-2004-1932","GHSA-m893-mxxx-c9r6"],"status":"published","title":"sipclient.cpp in KPhone 4.0.1 and earlier allows remote attackers to cause a denial of service ...","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.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.04148,"percentile":0.90923,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-125"],"published":"2004-12-31T05:00:00Z","modified":"2026-06-16T22:08:41Z","exploits":[{"source":"exploitdb","id":"EDB-24011","title":"KPhone 2.x/3.x/4.0.1 - Malformed STUN Packet Denial of Service","type":"dos","platform":"multiple","date":"2004-04-08","verified":true,"url":"https://www.exploit-db.com/exploits/24011"}],"products":[{"vendor":"wirlab","product":"kphone"}],"references":[{"url":"http://marc.info/?l=bugtraq\u0026m=108244325924859\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Mailing List","Third Party Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/15874","tags":["vdb-entry","x_refsource_XF","x_transferred","Broken Link","VDB Entry"]},{"url":"http://www.wirlab.net/kphone/changes-4.0.2.html","tags":["x_refsource_CONFIRM","x_transferred","Broken Link","Patch"]},{"url":"http://www.securiteam.com/unixfocus/5PP0B1FCLY.html","tags":["x_refsource_MISC","x_transferred","Broken Link","Exploit"]},{"url":"http://www.securityfocus.com/bid/10159","tags":["vdb-entry","x_refsource_BID","x_transferred","Broken Link","Exploit","Patch","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2004-1940"},{"url":"https://github.com/advisories/GHSA-m893-mxxx-c9r6"}],"sources":{"cve":[{"id":"CVE-2004-1940","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.","status":"published","published":"2005-05-10T04:00:00Z","modified":"2024-08-08T01:07:49.149Z","updated_at":"2026-11-02T14:34:54.063504Z"}],"euvd":[{"id":"EUVD-2004-1932","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.","status":"published","published":"2005-05-10T04:00:00Z","modified":"2024-08-08T01:07:49Z","updated_at":"2026-11-03T01:15:12.315673Z"}],"ghsa":[{"id":"GHSA-m893-mxxx-c9r6","title":"sipclient.cpp in KPhone 4.0.1 and earlier allows remote attackers to cause a denial of service ...","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.","status":"published","published":"2022-04-29T03:00:29Z","modified":"2026-03-22T05:09:24Z","cwes":["CWE-125"],"updated_at":"2026-11-02T15:06:46.535326Z"}],"nvd":[{"id":"CVE-2004-1940","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.","status":"published","published":"2004-12-31T05:00:00Z","modified":"2026-06-16T22:08:41.43Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:00:52.459805Z"}]}}