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CVE-2017-18134: Qualcomm SD 845 Firmware: Buffer overflow

CVE-2017-18134 is rated critical with a CVSS v3.0 base score of 9.8 and NVD lists 2 affected products, including Qualcomm SD 845 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 security patch level 2018-04-05 on Qualcomm Snapdragon Mobile SD 845, SD 850, a buffer overflow may potentially occur while processing a response from the SIM card.

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 SD 845 Firmware: all versions listed by NVD
  • Qualcomm SD 850 Firmware: all versions listed by NVD

References