Apple iOS PDF code execution

appleios-pdf-code-execution (60856) The risk level is classified as HighHigh Risk

Description:

Apple iOS could allow a remote attacker to execute arbitrary code on the system, caused by a memory corruption error when handling Compact Font Format (CFF) data embedded within a PDF file. By persuading a victim to open a specially-crafted PDF file, a remote attacker could exploit this vulnerability to corrupt memory and execute arbitrary code on the system or cause the application to crash.

*CVSS:

Base Score: 9.3
  Access Vector: Network
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: Complete
  Integrity Impact: Complete
  Availability Impact: Complete
 
Temporal Score: 7.3
  Exploitability: Proof-of-Concept
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Access

Remedy:

Upgrade to the latest version of iPhone or iPod touch (4.0.2 or later) or iPad (3.2.2 or later, available from the Apple Web site. See References.

References:

  • Apple Web site: Apple - iPhone - New features in the iOS 4 Software Update.
  • iPhone Web Site: iOS 4.0.1 Software Update.
  • Offensive Security Exploit Database [08-03-2010]: Apple iOS pdf Jailbreak Exploit.
  • BID-42151: Apple iOS for iPhone/iPad/iPod touch Privilege Escalation Vulnerability
  • CVE-2010-2972: An unspecified component, when running on Apple iOS 4.0.1 on iPhone, iPad, and iPod, allows remote attackers to execute arbitrary code via a PDF file with crafted Compact Font Format (CFF) data, which triggers memory corruption, as demonstrated by JailbreakMe. NOTE: some of these details are obtained from third party information.
  • SA40807: Apple iOS Security Bypass and PDF File Processing Vulnerability

Platforms Affected:

  • Apple iPhone OS 4.0
  • Apple iPhone OS 4.0 iPodtouch
  • Apple iPhone OS 4.0.1 iPodtouch
  • Apple iPhone OS 4.0.1

Reported:

Aug 02, 2010

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