Use-after-free in Google Android - CVE-2018-11281
Published: September 18, 2018 / Updated: August 8, 2020
Vulnerability identifier: #VU36658
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-11281
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Google
Affected software:
Google Android
Google Android
Detailed vulnerability description
The vulnerability allows a local authenticated user to execute arbitrary code.
In all android releases (Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, while calling IPA_IOC_MDFY_RT_RULE IPA IOCTL, header entry is not checked before use. If IPA_IOC_MDFY_RT_RULE IOCTL called for header entries formerly deleted, a Use after free condition will occur.
How to mitigate CVE-2018-11281
Install update from vendor's website.
Sources
- https://source.android.com/security/bulletin/pixel/2018-09-01#qualcomm-components
- https://source.codeaurora.org/quic/la/kernel/msm-3.10/commit/?id=c9861d16283cb4279de98a6695e0a4e6ea0230cb
- https://source.codeaurora.org/quic/la/kernel/msm-3.18/commit/?id=4bc7311e9ea9145a615184626cc43a8b92e7619c
- https://www.codeaurora.org/security-bulletin/2018/09/04/september-2018-code-aurora-security-bulletin