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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (6.69%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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."
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 6.69% probability · 94th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- nortel/ip softphone 2050
- Source
- cve@mitre.org
References
- http://osvdb.org/38521
- http://secunia.com/advisories/27252Vendor Advisory
- 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.txtExploit
- http://www.securityfocus.com/archive/1/482476/100/0/threaded
- http://www.securityfocus.com/bid/26118Exploit
- http://www.vupen.com/english/advisories/2007/3540
- https://exchange.xforce.ibmcloud.com/vulnerabilities/37256
- http://osvdb.org/38521
- http://secunia.com/advisories/27252Vendor Advisory
- 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.txtExploit
- http://www.securityfocus.com/archive/1/482476/100/0/threaded
- http://www.securityfocus.com/bid/26118Exploit
- http://www.vupen.com/english/advisories/2007/3540
- https://exchange.xforce.ibmcloud.com/vulnerabilities/37256
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.