high
7.8
CWE
190
Advisory Published
Updated

CVE-2018-11821: Integer Overflow

First published: Fri Oct 26 2018(Updated: )

Possible integer overflow may happen in WLAN during memory allocation in Snapdragon Mobile, Snapdragon Wear in version IPQ8074, MDM9206, MDM9607, MDM9650, SD 425, SD 427, SD 430, SD 435, SD 450, SD 625, SD 650/52, SD 835, SD 845, SD 850, SDA660, SDM630, SDM632, SDM636, SDM660, SDM710, Snapdragon_High_Med_2016

Credit: product-security@qualcomm.com

Affected SoftwareAffected VersionHow to fix
Android
qualcomm ipq8074 firmware
Qualcomm IPQ8074A
Qualcomm MDM9206
Qualcomm MDM9206 firmware
Qualcomm MD9607 Firmware
Qualcomm MDM9607 firmware
Qualcomm MDM9650
Qualcomm MDM9650 firmware
Qualcomm SDR425 Firmware
Qualcomm Snapdragon 425
Qualcomm SD427 Firmware
Qualcomm SD 427 firmware
Qualcomm SD 430 Firmware
Qualcomm SD 430 Firmware
qualcomm sd435 firmware
Qualcomm Snapdragon 435
Qualcomm SDM450 Firmware
Qualcomm SDM450
Qualcomm SD 625 Firmware
Qualcomm Snapdragon 625
Qualcomm SD650 Firmware
Qualcomm Snapdragon 650
Qualcomm SD652 Firmware
Qualcomm SD652 Firmware
Qualcomm SD835 Firmware
Qualcomm Snapdragon 835
Qualcomm SDA845 Firmware
Qualcomm SD845
Qualcomm SD850 Firmware
Qualcomm SD850
Qualcomm SDA660
Qualcomm SDA660
Qualcomm SDM630
Qualcomm SDM630 Firmware
Qualcomm SDM632 Firmware
Qualcomm SDM632 Firmware
Qualcomm SD 636 Firmware
Qualcomm SDM636 Firmware
Qualcomm SD660 Firmware
Qualcomm Snapdragon 660
Qualcomm SD 710 Firmware
Qualcomm Snapdragon 710

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2018-11821?

    The severity of CVE-2018-11821 is assessed as high due to potential exploitation through integer overflow during memory allocation.

  • How do I fix CVE-2018-11821?

    To fix CVE-2018-11821, ensure your device's firmware is updated to the latest version provided by Qualcomm or your device manufacturer.

  • What devices are affected by CVE-2018-11821?

    CVE-2018-11821 affects several Qualcomm Snapdragon devices including the 425, 430, 835, 845, and other models in the Snapdragon line.

  • Can CVE-2018-11821 lead to system crashes?

    Yes, CVE-2018-11821 can potentially lead to system crashes or arbitrary code execution due to the integer overflow.

  • Is CVE-2018-11821 related to Wi-Fi vulnerabilities?

    Yes, CVE-2018-11821 is specifically related to Wi-Fi (WLAN) vulnerabilities in Snapdragon chipsets.

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