SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-18173

In case of using an invalid android verified boot signature with very large length, an integer underflow occurs in Snapdragon Mobile in SD 425, SD 427, SD 430, SD 435, SD 450, SD 625, SD 810, SD 820, SD 835, SDM630, SDM636, SDM660,…

HIGH 7.8EPSS 0.23%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.23%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

In case of using an invalid android verified boot signature with very large length, an integer underflow occurs in Snapdragon Mobile in SD 425, SD 427, SD 430, SD 435, SD 450, SD 625, SD 810, SD 820, SD 835, SDM630, SDM636, SDM660, Snapdragon_High_Med_2016.

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
0.23% probability · 13th percentile
CISA KEV
Not listed
Weakness
CWE-190
Affected
qualcomm/sd 425 firmware · qualcomm/sd 427 firmware · qualcomm/sd 430 firmware · qualcomm/sd 435 firmware · qualcomm/sd 450 firmware · qualcomm/sd 625 firmware · qualcomm/sd 810 firmware · qualcomm/sd 820 firmware · qualcomm/sd 835 firmware · qualcomm/sdm630 firmware · qualcomm/sdm636 firmware · qualcomm/sdm660 firmware · qualcomm/snapdragon high med 2016 firmware
Source
product-security@qualcomm.com

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