CVE-2018-5843
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.17%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.17% probability · 6th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- google/android
- Source
- product-security@qualcomm.com
References
- https://www.codeaurora.org/security-bulletin/2018/05/11/may-2018-code-aurora-security-bulletin-2Patch, Third Party Advisory
- https://source.android.com/security/bulletin/pixel/2018-05-01Third Party Advisory
- https://www.codeaurora.org/security-bulletin/2018/05/11/may-2018-code-aurora-security-bulletin-2Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.