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CVE-2018-11936: Index of array is processed in a wrong way inside a while loop and result in invalid index (-1 or something…

CVE-2018-11936 is rated critical with a CVSS v3.0 base score of 9.8 and NVD lists 28 affected products, including Qualcomm Mdm9206 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

Index of array is processed in a wrong way inside a while loop and result in invalid index (-1 or something else) leads to out of bound memory access. in Snapdragon Auto, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking in MDM9206, MDM9607, MDM9640, MDM9650, MSM8996AU, QCA6174A, QCA6574, QCA6574AU, QCA6584, QCA6584AU, QCA9377, QCA9379, QCA9886, SD 210/SD 212/SD 205, SD 425, SD 427, SD 430, SD 435, SD 450, SD 625, SD 820, SD 820A, SD 835, SDX20, SDX24, Snapdragon_High_Med_2016

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-400: Uncontrolled Resource Consumption

The product does not properly control the allocation and maintenance of a limited resource.

Affected products

  • Qualcomm Mdm9206 Firmware: all versions listed by NVD
  • Qualcomm Mdm9607 Firmware: all versions listed by NVD
  • Qualcomm Mdm9640 Firmware: all versions listed by NVD
  • Qualcomm Mdm9650 Firmware: all versions listed by NVD
  • Qualcomm Msm8996au Firmware: all versions listed by NVD
  • Qualcomm Qca6174a Firmware: all versions listed by NVD
  • Qualcomm Qca6574 Firmware: all versions listed by NVD
  • Qualcomm Qca6574au Firmware: all versions listed by NVD
  • Qualcomm Qca6584 Firmware: all versions listed by NVD
  • Qualcomm Qca6584au Firmware: all versions listed by NVD
  • Qualcomm Qca9377 Firmware: all versions listed by NVD
  • Qualcomm Qca9379 Firmware: all versions listed by NVD
  • Qualcomm Qca9886 Firmware: all versions listed by NVD
  • Qualcomm SD 210 Firmware: all versions listed by NVD
  • Qualcomm SD 212 Firmware: all versions listed by NVD

References