PT-2018-6640 · Mozilla+2 · Firefox Os+2

Published 2018-03-16 · Updated 2018-04-04 · CVE-2017-18050

Positive Technologies (AI Summary)

CVSS v2.0

4.6

Medium

Base vector

AV:L/AC:L/Au:N/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions: Android for MSM (affected versions not specified) Firefox OS for MSM (affected versions not specified) QRD Android (affected versions not specified)

Description: The issue arises from improper input validation for vdev map in the wma tbttoffset update event handler() function, which receives input from firmware. This can lead to a potential buffer overwrite and out of bounds memory read.

Recommendations: For Android for MSM, consider restricting access to the wma tbttoffset update event handler() function until a patch is available. For Firefox OS for MSM, restrict the use of the vdev map variable in the affected function to minimize the risk of exploitation. For QRD Android, as a temporary workaround, consider disabling the wma tbttoffset update event handler() function until a fix is provided.

Fix

RCE

Out of bounds Read

Weakness Enumeration

CWE-20

CWE-125

Related Identifiers

CVE-2017-18050

Affected Products

Android

Firefox Os

Qrd Android

References · 3

• https://source.codeaurora.org/quic/la/platform/vendor/qcom-opensource/wlan/qcacld-3.0/commit/?id=63b57442d65dfdb4b4634ff32059b1bca8c72fb7 · Patch
• https://source.android.com/security/bulletin/pixel/2018-03-01 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-18050 · Security Note