Quantum Secular Labs / Blog / Advisories

CVE-2016-2417: Google Android: Information disclosure

CVE-2016-2417 is rated critical with a CVSS v3.0 base score of 9.8 and affects Google Android. Per its scoring, it can be exploited over the network, without authentication, without any user interaction. The scored impact on confidentiality, integrity and availability is the highest available.

Vulnerability description

media/libmedia/IOMX.cpp in mediaserver in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, and 6.x before 2016-04-01 does not initialize a parameter data structure, which allows attackers to obtain sensitive information from process memory, and consequently bypass an unspecified protection mechanism, via unspecified vectors, as demonstrated by obtaining Signature or SignatureOrSystem access, aka internal bug 26914474.

Severity breakdown

CVSS v3.0 9.8: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

  • Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
  • Attack complexity: Low. No special conditions; the attack can be repeated reliably.
  • Privileges required: None. No account or prior access is needed.
  • User interaction: None. No action from any user is needed.
  • Scope: Unchanged. Impact stays within the vulnerable component.
  • Confidentiality impact: High. Total loss of confidentiality; sensitive data can be fully disclosed.
  • Integrity impact: High. Total loss of integrity; data or system state can be fully modified.
  • Availability impact: High. Total loss of availability; the component can be shut down.

Affected products

  • Google Android: 4.0; 4.0.1; 4.0.2; 4.0.3; 4.0.4; 4.1; 4.1.2; 4.2; 4.2.1; 4.2.2; 4.3; 4.3.1

References