SB2018091830 - Use-after-free in Google, Google Android
Published: September 18, 2018 Updated: August 8, 2020
Security Bulletin ID
SB2018091830
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2018-11281)
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.
Remediation
Install update from vendor's website.
References
- 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