Vulnerability Report

CVE-2007-5636

RCE

Title: Nortel Ip Softphone 2050 RCE

RCE

Proof Of Concept

PoC Available for CVE-2007-5636

CWE Category CWE-119

Published Date Oct 23, 2007

Modified Date Apr 09, 2025

Exploit Status Available

Score 7.5 CVSS v2.0

Exploit Probability (EPSS)

25.02%

Vulnerability Summary

CVE-2007-5636: 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."

Impacted Vendors

nortel 1

Reference Links

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

CVSS v2.0

Source Entity [email protected]

Severity HIGH

7.5

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2007-5636 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/30678

View Code

April 09, 2025 MODIFIED

Vulnerability data or affected products updated.

October 23, 2007 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.