iPhone OS denial of service (DoS) vulnerability


iPhone OS from Apple contains a denial of service (DoS) vulnerability.

Masaki Yoshida reported this vulnerability to IPA.
JPCERT/CC coordinated with the vendor under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V2 Severity:
Base Metrics 7.8 (High) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: None
  • Availability Impact: Complete
Affected Products

Apple Inc.
  • iOS 1.0 to 2.2.1
  • iOS for iPod touch 1.1 to 2.2.1


A remote attacker could possibly cause a denial of service (DoS) attack by sending a specially crafted packet.

[Update the software]
Update to latest version according to the information provided by Apple.
Vendor Information

Apple Inc.
  • Apple Security Updates : HT3639
CWE (What is CWE?)

  1. Improper Input Validation(CWE-20) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2009-1683

  1. JVN : JVN#87239696
  2. National Vulnerability Database (NVD) : CVE-2009-1683
  3. IPA SECURITY ALERTS : Security Alert for Vulnerability in iPhone OS
Revision History

  • [2009/06/18]
      Web page published