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."

Affected products

• nortel / ip_softphone_2050

References

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