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CVE-2016-10486: In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Automobile and…

CVE-2016-10486 is rated critical with a CVSS v3.0 base score of 9.8 and NVD lists 14 affected products, including Qualcomm Mdm9640 Firmware. 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

In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Automobile and Snapdragon Mobile MDM9640, MDM9645, SD 210/SD 212/SD 205, SD 450, SD 617, SD 625, SD 650/52, SD 808, SD 810, SD 820, and SD 820A, PD failure reason string from user PD is used directly in root PD, so if the buffer parameter is non-NULL terminated in Diag F3 APIs, a buffer overread occurs.

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.

Underlying weakness

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary.

Affected products

  • Qualcomm Mdm9640 Firmware: all versions listed by NVD
  • Qualcomm Mdm9645 Firmware: all versions listed by NVD
  • Qualcomm SD 210 Firmware: all versions listed by NVD
  • Qualcomm SD 212 Firmware: all versions listed by NVD
  • Qualcomm SD 205 Firmware: all versions listed by NVD
  • Qualcomm SD 450 Firmware: all versions listed by NVD
  • Qualcomm SD 617 Firmware: all versions listed by NVD
  • Qualcomm SD 625 Firmware: all versions listed by NVD
  • Qualcomm SD 650 Firmware: all versions listed by NVD
  • Qualcomm SD 652 Firmware: all versions listed by NVD
  • Qualcomm SD 808 Firmware: all versions listed by NVD
  • Qualcomm SD 810 Firmware: all versions listed by NVD
  • Qualcomm SD 820 Firmware: all versions listed by NVD
  • Qualcomm SD 820a Firmware: all versions listed by NVD

References