{"id":"CVE-2007-5636","aliases":["EUVD-2007-5608","GHSA-5v5q-p7mc-784j"],"status":"published","title":"Buffer overflow in the Nortel UNIStim IP Softphone 2050 allows remote attackers to cause a denial...","description":"Buffer overflow in the Nortel UNIStim IP Softphone 2050 allows remote attackers to cause a denial of service (application abort) and possibly execute arbitrary code via a flood of invalid characters to the RTCP port (5678/udp) that triggers a Windows error message, aka \"extraneous messaging.\"","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.06685,"percentile":0.93945,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-119"],"published":"2007-10-23T17:00:00Z","modified":"2026-06-16T22:46:32Z","exploits":[{"source":"exploitdb","id":"EDB-30678","title":"Nortel Networks UNIStim IP SoftPhone 2050 - RTCP Port Buffer Overflow","type":"remote","platform":"multiple","date":"2007-10-18","verified":true,"url":"https://www.exploit-db.com/exploits/30678"}],"products":[{"vendor":"nortel","product":"ip_softphone_2050"}],"references":[{"url":"http://www.securityfocus.com/archive/1/482476/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://secunia.com/advisories/27252","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://securityreason.com/securityalert/3271","tags":["third-party-advisory","x_refsource_SREASON","x_transferred"]},{"url":"http://www.csnc.ch/static/advisory/csnc/nortel_UNIStim_IP_softphone_buffer-overflow_v1.0.txt","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL\u0026id=655203","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2007/3540","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://osvdb.org/38521","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/37256","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.securityfocus.com/bid/26118","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-5636"},{"url":"https://github.com/advisories/GHSA-5v5q-p7mc-784j"}],"sources":{"cve":[{"id":"CVE-2007-5636","description":"Buffer overflow in the Nortel UNIStim IP Softphone 2050 allows remote attackers to cause a denial of service (application abort) and possibly execute arbitrary code via a flood of invalid characters to the RTCP port (5678/udp) that triggers a Windows error message, aka \"extraneous messaging.\"","status":"published","published":"2007-10-23T17:00:00Z","modified":"2024-08-07T15:39:13.731Z","updated_at":"2026-11-02T13:32:00.617893Z"}],"euvd":[{"id":"EUVD-2007-5608","description":"Buffer overflow in the Nortel UNIStim IP Softphone 2050 allows remote attackers to cause a denial of service (application abort) and possibly execute arbitrary code via a flood of invalid characters to the RTCP port (5678/udp) that triggers a Windows error message, aka \"extraneous messaging.\"","status":"published","published":"2007-10-23T17:00:00Z","modified":"2024-08-07T15:39:13Z","updated_at":"2026-11-03T01:16:16.183984Z"}],"ghsa":[{"id":"GHSA-5v5q-p7mc-784j","title":"Buffer overflow in the Nortel UNIStim IP Softphone 2050 allows remote attackers to cause a denial...","description":"Buffer overflow in the Nortel UNIStim IP Softphone 2050 allows remote attackers to cause a denial of service (application abort) and possibly execute arbitrary code via a flood of invalid characters to the RTCP port (5678/udp) that triggers a Windows error message, aka \"extraneous messaging.\"","status":"published","published":"2022-05-01T18:35:21Z","modified":"2023-01-31T05:04:40Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:48:42.977051Z"}],"nvd":[{"id":"CVE-2007-5636","description":"Buffer overflow in the Nortel UNIStim IP Softphone 2050 allows remote attackers to cause a denial of service (application abort) and possibly execute arbitrary code via a flood of invalid characters to the RTCP port (5678/udp) that triggers a Windows error message, aka \"extraneous messaging.\"","status":"published","published":"2007-10-23T17:46:00Z","modified":"2026-06-16T22:46:32.58Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:01:22.203764Z"}]}}