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CVE-2018-11932: Improper input validation can lead RW access to secure subsystem from HLOS in Snapdragon Auto, Snapdragon…

CVE-2018-11932 is rated critical with a CVSS v3.0 base score of 9.1 and NVD lists 20 affected products, including Qualcomm Mdm9650 Firmware. Per its scoring, it can be exploited over the network, without authentication, without any user interaction.

Vulnerability description

Improper input validation can lead RW access to secure subsystem from HLOS in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile in versions MDM9650, MDM9655, MSM8996AU, QCS605, SD 410/12, SD 615/16/SD 415, SD 675, SD 712 / SD 710 / SD 670, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 8CX, SXR1130.

Severity breakdown

CVSS v3.0 9.1: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

  • 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: None. No effect on availability.

Underlying weakness

CWE-20: Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Affected products

  • Qualcomm Mdm9650 Firmware: all versions listed by NVD
  • Qualcomm Mdm9655 Firmware: all versions listed by NVD
  • Qualcomm Msm8996au Firmware: all versions listed by NVD
  • Qualcomm Qcs605 Firmware: all versions listed by NVD
  • Qualcomm SD 410 Firmware: all versions listed by NVD
  • Qualcomm SD 12 Firmware: all versions listed by NVD
  • Qualcomm SD 615 Firmware: all versions listed by NVD
  • Qualcomm SD 16 Firmware: all versions listed by NVD
  • Qualcomm SD 415 Firmware: all versions listed by NVD
  • Qualcomm SD 675 Firmware: all versions listed by NVD
  • Qualcomm SD 712 Firmware: all versions listed by NVD
  • Qualcomm SD 710 Firmware: all versions listed by NVD
  • Qualcomm SD 670 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