CVE-2018-5843

Description

In the function wma_pdev_div_info_evt_handler() in all Android releases from CAF (Android for MSM, Firefox OS for MSM, QRD Android) using the Linux Kernel, there is no upper bound check on the value event->num_chains_valid received from firmware which can lead to a buffer overwrite of the fixed size chain_rssi_result structure.

Category

7.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.04%
Third-Party Advisory codeaurora.org Third-Party Advisory android.com
Affected: Qualcomm, Inc. Android for MSM, Firefox OS for MSM, QRD Android
Published at:
Updated at:

References

Link Tags
https://www.codeaurora.org/security-bulletin/2018/05/11/may-2018-code-aurora-security-bulletin-2 third party advisory patch
https://source.android.com/security/bulletin/pixel/2018-05-01 third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-5843?
CVE-2018-5843 has been scored as a high severity vulnerability.
How to fix CVE-2018-5843?
To fix CVE-2018-5843, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-5843 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-5843 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-5843?
CVE-2018-5843 affects Qualcomm, Inc. Android for MSM, Firefox OS for MSM, QRD Android.
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