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CVE-2015-9138

In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Automobile, Snapdragon Mobile, Snapdragon Wear, and Small Cell SoC FSM9055, IPQ4019, MDM9206, MDM9607, MDM9625, MDM9635M, MDM9640, MDM9645, MDM9650, MDM9655, MSM8909W, SD 210/SD 212/SD 205, SD 400, SD 410/12, SD 425, SD 430, SD 450, SD 600, SD 615/16/SD 415, SD 617, SD 625, SD 650/52, SD 800, SD 808, SD 810, SD 820, SD 820A, SD 835, SD 845, SD 850, and SDX20, when an RSA encryption operation is called, the ce_util_to_unsigned_bin is invoked to convert the input buffer to unsigned binary. The ce_util_to_unsigned_bin function, instead of operating on the size of the unsigned character buffer that is passed, operates on the address - i.e. operates on "c" instead of "*c". Decrementing the address to check if it is less than zero means that the operation will always pass, since a pointer will never be less than zero, and may result in a buffer overflow.

Security Impact Summary

This vulnerability carries a CRITICAL severity rating with a CVSS v3.1 score of 9.8, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 74 products from qualcomm, from qualcomm, from qualcomm and 71 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2018, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2018-04-18T14:29:04.480

Last Modified

2024-11-21T02:39:53.070

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

10.0

Impact Score

10.0

Weaknesses
  • Type: Primary
    CWE-119
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System qualcomm mdm9206_firmware - Yes
Hardware qualcomm mdm9206 - No
Operating System qualcomm mdm9607_firmware - Yes
Hardware qualcomm mdm9607 - No
Operating System qualcomm fsm9055_firmware - Yes
Hardware qualcomm fsm9055 - No
Operating System qualcomm mdm9625_firmware - Yes
Hardware qualcomm mdm9625 - No
Operating System qualcomm mdm9635m_firmware - Yes
Hardware qualcomm mdm9635m - No
Operating System qualcomm mdm9640_firmware - Yes
Hardware qualcomm mdm9640 - No
Operating System qualcomm mdm9645_firmware - Yes
Hardware qualcomm mdm9645 - No
Operating System qualcomm mdm9650_firmware - Yes
Hardware qualcomm mdm9650 - No
Operating System qualcomm mdm9655_firmware - Yes
Hardware qualcomm mdm9655 - No
Operating System qualcomm msm8909w_firmware - Yes
Hardware qualcomm msm8909w - No
Operating System qualcomm sd_210_firmware - Yes
Hardware qualcomm sd_210 - No
Operating System qualcomm sd_212_firmware - Yes
Hardware qualcomm sd_212 - No
Operating System qualcomm sd_205_firmware - Yes
Hardware qualcomm sd_205 - No
Operating System qualcomm sd_400_firmware - Yes
Hardware qualcomm sd_400 - No
Operating System qualcomm sd_410_firmware - Yes
Hardware qualcomm sd_410 - No
Operating System qualcomm sd_412_firmware - Yes
Hardware qualcomm sd_412 - No
Operating System qualcomm sd_425_firmware - Yes
Hardware qualcomm sd_425 - No
Operating System qualcomm sd_430_firmware - Yes
Hardware qualcomm sd_430 - No
Operating System qualcomm sd_450_firmware - Yes
Hardware qualcomm sd_450 - No
Operating System qualcomm sd_615_firmware - Yes
Hardware qualcomm sd_615 - No
Operating System qualcomm sd_616_firmware - Yes
Hardware qualcomm sd_616 - No
Operating System qualcomm sd_415_firmware - Yes
Hardware qualcomm sd_415 - No
Operating System qualcomm sd_617_firmware - Yes
Hardware qualcomm sd_617 - No
Operating System qualcomm sd_625_firmware - Yes
Hardware qualcomm sd_625 - No
Operating System qualcomm sd_650_firmware - Yes
Hardware qualcomm sd_650 - No
Operating System qualcomm sd_652_firmware - Yes
Hardware qualcomm sd_652 - No
Operating System qualcomm sd_800_firmware - Yes
Hardware qualcomm sd_800 - No
Operating System qualcomm sd_808_firmware - Yes
Hardware qualcomm sd_808 - No
Operating System qualcomm sd_810_firmware - Yes
Hardware qualcomm sd_810 - No
Operating System qualcomm sd_820_firmware - Yes
Hardware qualcomm sd_820 - No
Operating System qualcomm sd_835_firmware - Yes
Hardware qualcomm sd_835 - No
Operating System qualcomm sd_845_firmware - Yes
Hardware qualcomm sd_845 - No
Operating System qualcomm sdx20_firmware - Yes
Hardware qualcomm sdx20 - No
Operating System qualcomm sd_850_firmware - Yes
Hardware qualcomm sd_850 - No
Operating System qualcomm ipq4019_firmware - Yes
Hardware qualcomm ipq4019 - No
Operating System qualcomm sd_600_firmware - Yes
Hardware qualcomm sd_600 - No
Operating System qualcomm sd_820a_firmware - Yes
Hardware qualcomm sd_820a - No
References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For qualcomm's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.