SB2020061632 - Buffer overflow in Google, Google Android
Published: June 16, 2020 Updated: August 8, 2020
Security Bulletin ID
SB2020061632
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2020-0235)
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
In crus_sp_shared_ioctl we first copy 4 bytes from userdata into "size" variable, and then use that variable as the size parameter for "copy_from_user", ending up overwriting memory following "crus_sp_hdr". "crus_sp_hdr" is a static variable, of type "struct crus_sp_ioctl_header".Product: AndroidVersions: Android kernelAndroid ID: A-135129430
Remediation
Install update from vendor's website.