CVE-2018-9411: In decrypt of ClearKeyCasPlugin.cpp there is a possible out-of-bounds write due to a missing bounds check. This could lead to remote arbitrary code execution…

PriorityP354high8.8CVSS 3.1

AVNACLPRNUIRSUCHIHAH

EPSS

0.55%

42.2th percentile

In decrypt of ClearKeyCasPlugin.cpp there is a possible out-of-bounds write due to a missing bounds check. This could lead to remote arbitrary code execution with no additional execution privileges needed. User interaction is needed for exploitation.

Affected

5 ranges

Vendor	Product	Version range	Fixed in
google	android	—	—
google	android	—	—
google	android	—	—
google	android	—	—
google	android	—	—

Detection & IOCsextracted from sources · hover to see the quote

→Vulnerability exists in the `decrypt` function of `ClearKeyCasPlugin.cpp`; monitor for exploitation attempts targeting this component in Android media/CAS subsystem on AOSP versions 8.0 and 8.1 ↗
→CVE-2018-9411 is rated CRITICAL RCE with no privileges required; prioritize detection on Android 8.0 and 8.1 devices where user interaction (e.g., media playback) could trigger the vulnerability ↗

·Exploitation requires user interaction (e.g., opening a malicious media file); no additional execution privileges are needed beyond that interaction ↗
·Only AOSP versions 8.0 and 8.1 are listed as affected; patch reference is Android bug A-79376389 per the July 2018 security bulletin ↗

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