7.5
CWE
NVD-CWE-Other
Advisory Published
CVE Published
Updated

CVE-2003-1109

First published: Wed Dec 31 2003(Updated: )

The Session Initiation Protocol (SIP) implementation in multiple Cisco products including IP Phone models 7940 and 7960, IOS versions in the 12.2 train, and Secure PIX 5.2.9 to 6.2.2 allows remote attackers to cause a denial of service and possibly execute arbitrary code via crafted INVITE messages, as demonstrated by the OUSPG PROTOS c07-sip test suite.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Puppet Cisco IOS=12.2\(1\)xa
Puppet Cisco IOS=12.2\(1\)xd
Puppet Cisco IOS=12.2\(1\)xd1
Puppet Cisco IOS=12.2\(1\)xd3
Puppet Cisco IOS=12.2\(1\)xd4
Puppet Cisco IOS=12.2\(1\)xe
Puppet Cisco IOS=12.2\(1\)xe2
Puppet Cisco IOS=12.2\(1\)xe3
Puppet Cisco IOS=12.2\(1\)xh
Puppet Cisco IOS=12.2\(1\)xq
Puppet Cisco IOS=12.2\(1\)xs
Puppet Cisco IOS=12.2\(1\)xs1
Puppet Cisco IOS=12.2\(2\)t4
Puppet Cisco IOS=12.2\(2\)xa
Puppet Cisco IOS=12.2\(2\)xa1
Puppet Cisco IOS=12.2\(2\)xa5
Puppet Cisco IOS=12.2\(2\)xb
Puppet Cisco IOS=12.2\(2\)xb3
Puppet Cisco IOS=12.2\(2\)xb4
Puppet Cisco IOS=12.2\(2\)xf
Puppet Cisco IOS=12.2\(2\)xg
Puppet Cisco IOS=12.2\(2\)xh
Puppet Cisco IOS=12.2\(2\)xh2
Puppet Cisco IOS=12.2\(2\)xh3
Puppet Cisco IOS=12.2\(2\)xi
Puppet Cisco IOS=12.2\(2\)xi1
Puppet Cisco IOS=12.2\(2\)xi2
Puppet Cisco IOS=12.2\(2\)xj
Puppet Cisco IOS=12.2\(2\)xj1
Puppet Cisco IOS=12.2\(2\)xk
Puppet Cisco IOS=12.2\(2\)xk2
Puppet Cisco IOS=12.2\(2\)xn
Puppet Cisco IOS=12.2\(2\)xt
Puppet Cisco IOS=12.2\(2\)xt3
Puppet Cisco IOS=12.2\(2\)xu
Puppet Cisco IOS=12.2\(2\)xu2
Puppet Cisco IOS=12.2\(11\)t
Puppet Cisco IOS=12.2t
Puppet Cisco IOS=12.2xa
Puppet Cisco IOS=12.2xb
Puppet Cisco IOS=12.2xc
Puppet Cisco IOS=12.2xd
Puppet Cisco IOS=12.2xe
Puppet Cisco IOS=12.2xf
Puppet Cisco IOS=12.2xg
Puppet Cisco IOS=12.2xh
Puppet Cisco IOS=12.2xi
Puppet Cisco IOS=12.2xj
Puppet Cisco IOS=12.2xk
Puppet Cisco IOS=12.2xl
Puppet Cisco IOS=12.2xm
Puppet Cisco IOS=12.2xn
Puppet Cisco IOS=12.2xq
Puppet Cisco IOS=12.2xr
Puppet Cisco IOS=12.2xs
Puppet Cisco IOS=12.2xt
Puppet Cisco IOS=12.2xw
Cisco VoIP Phone CP-7940
Cisco VoIP Phone CP-7960
Cisco PIX Firewall=5.2\(1\)
Cisco PIX Firewall=5.2\(2\)
Cisco PIX Firewall=5.2\(3.210\)
Cisco PIX Firewall=5.2\(5\)
Cisco PIX Firewall=5.2\(6\)
Cisco PIX Firewall=5.2\(7\)
Cisco PIX Firewall=5.3
Cisco PIX Firewall=5.3\(1\)
Cisco PIX Firewall=5.3\(1.200\)
Cisco PIX Firewall=5.3\(2\)
Cisco PIX Firewall=5.3\(3\)
Cisco PIX Firewall=6.0
Cisco PIX Firewall=6.0\(1\)
Cisco PIX Firewall=6.0\(2\)
Cisco PIX Firewall=6.1\(2\)
Cisco PIX Firewall=6.2\(1\)

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Frequently Asked Questions

  • What is the severity of CVE-2003-1109?

    The severity of CVE-2003-1109 is critical due to its potential to cause a denial of service and execute arbitrary code.

  • How do I fix CVE-2003-1109?

    To fix CVE-2003-1109, update the affected Cisco products to the latest available software versions provided by Cisco.

  • Which Cisco products are affected by CVE-2003-1109?

    CVE-2003-1109 affects multiple Cisco products including IP Phone models 7940 and 7960, various versions of Cisco IOS, and Secure PIX Firewall versions.

  • What type of attack can exploit CVE-2003-1109?

    CVE-2003-1109 can be exploited by sending crafted INVITE messages which may lead to a denial of service or arbitrary code execution.

  • Is there a patch available for CVE-2003-1109?

    Yes, Cisco has released patches for CVE-2003-1109; affected users should apply these updates immediately.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203