VulnerabilityModified

CVE-2018-5820

This can potentially result in an integer overflow subsequently leading to a heap overwrite.

HIGH 7.3EPSS 0.41%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.41%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

In Qualcomm Android for MSM, Firefox OS for MSM, and QRD Android with all Android releases from CAF using the Linux kernel before security patch level 2018-04-05, in the function wma_tbttoffset_update_event_handler(), a parameter received from firmware is used to allocate memory for a local buffer and is not properly validated. This can potentially result in an integer overflow subsequently leading to a heap overwrite.

CVSS 3.0: 7.3 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS: 0.41% probability · 35th percentile
CISA KEV: Not listed
Weakness: CWE-190
Affected: google/android
Source: product-security@qualcomm.com

References

https://source.android.com/security/bulletin/pixel/2018-04-01Vendor Advisory
https://source.android.com/security/bulletin/pixel/2018-04-01Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.