Published: 23/10/2007 Updated: 15/10/2018

CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10

VMScore: 755

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Buffer overflow in the Nortel UNIStim IP Softphone 2050 allows remote malicious users 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."

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nortel ip softphone 2050

source: wwwsecurityfocuscom/bid/26118/info Nortel Networks UNIStim IP Softphone is prone to a buffer-overflow vulnerability because the application fails to properly bounds-check user-supplied data before copying it to an insufficiently sized memory buffer An attacker can exploit this issue to execute arbitrary code within the context o ...

CWE-119 http://www.csnc.ch/static/advisory/csnc/nortel_UNIStim_IP_softphone_buffer-overflow_v1.0.txt http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=655203 http://www.securityfocus.com/bid/26118 http://secunia.com/advisories/27252 http://securityreason.com/securityalert/3271 http://osvdb.org/38521 http://www.vupen.com/english/advisories/2007/3540 https://exchange.xforce.ibmcloud.com/vulnerabilities/37256 http://www.securityfocus.com/archive/1/482476/100/0/threaded https://nvd.nist.gov https://www.exploit-db.com/exploits/30678/

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CVE-2007-5636

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