Quantum Secular Labs / Blog / Advisories

CVE-2010-1119: Apple Safari: Use after free

CVE-2010-1119 has a CVSS v2 base score of 10.0 (the maximum on that scale) and affects Apple Safari, along with 1 other product in NVD’s configuration data. Per its scoring, it can be exploited over the network, without authentication. The scored impact on confidentiality, integrity and availability is the highest available.

Vulnerability description

Use-after-free vulnerability in WebKit in Apple Safari before 5.0 on Mac OS X 10.5 through 10.6 and Windows, Safari before 4.1 on Mac OS X 10.4, and Safari on Apple iPhone OS allows remote attackers to execute arbitrary code or cause a denial of service (application crash), or read the SMS database or other data, via vectors related to "attribute manipulation," as demonstrated by Vincenzo Iozzo and Ralf Philipp Weinmann during a Pwn2Own competition at CanSecWest 2010.

Severity breakdown

CVSS v2.0 10.0: AV:N/AC:L/Au:N/C:C/I:C/A:C

  • Access vector: Network. Exploitable remotely over the network.
  • Access complexity: Low. No special conditions are required.
  • Authentication: None. No authentication is needed.
  • Confidentiality impact: Complete. Total information disclosure.
  • Integrity impact: Complete. Total loss of integrity.
  • Availability impact: Complete. Total shutdown of the component.

Affected products

  • Apple Safari: up to and including 4.0.5; 1.0; 1.0 beta; 1.0 beta2; 1.0.0; 1.0.0b1; 1.0.0b2; 1.0.1; 1.0.2; 1.0.3; 1.0.3 85.8; 1.0.3 85.8.1
  • Apple Mac OS X: 10.5; 10.5.0; 10.5.1; 10.5.2; 10.5.3; 10.5.4; 10.5.5; 10.5.6; 10.5.7; 10.5.8; 10.6.0
  • Apple Iphone OS: 2.0; 2.0.0; 2.0.1; 2.0.2; 2.1; 2.1.1; 2.2; 2.2.1; 3.0; 3.0.1; 3.1; 3.1.2
  • Apple Mac OS X Server: 10.5.0; 10.5.1; 10.5.2; 10.5.3; 10.5.4; 10.5.5; 10.5.6; 10.5.7; 10.5.8; 10.6.0; 10.6.1; 10.6.2

References