SB2022010536 - Multiple vulnerabilities in Google Pixel
Published: January 5, 2022 Updated: April 4, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 10 vulnerabilities.
1) Improper input validation (CVE-ID: CVE-2021-39678)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 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
The vulnerability allows a local application to execute arbitrary code.
The vulnerability exists due to improper input validation within the Gboard subcomponent in Pixel. A local application can execute arbitrary code.
2) Improper input validation (CVE-ID: CVE-2021-39679)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 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
The vulnerability allows a local application to execute arbitrary code.
The vulnerability exists due to improper input validation within the Display/graphics subcomponent in Pixel. A local application can execute arbitrary code.
3) Improper input validation (CVE-ID: CVE-2021-39682)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 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
The vulnerability allows a local application to execute arbitrary code.
The vulnerability exists due to improper input validation within the Display/graphics subcomponent in Pixel. A local application can execute arbitrary code.
4) Improper input validation (CVE-ID: CVE-2021-39683)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 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
The vulnerability allows a local application to execute arbitrary code.
The vulnerability exists due to improper input validation within the Titan M2 subcomponent in Pixel. A local application can execute arbitrary code.
5) Improper input validation (CVE-ID: CVE-2021-39684)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 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
The vulnerability allows a local application to execute arbitrary code.
The vulnerability exists due to improper input validation within the Bootloader subcomponent in Pixel. A local application can execute arbitrary code.
6) Race condition (CVE-ID: CVE-2021-40490)
CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVSSv4: 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
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a race condition in ext4_write_inline_data_end in fs/ext4/inline.c in the ext4 subsystem in the Linux kernel. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.
7) Information exposure (CVE-ID: CVE-2021-39680)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local application to gain access to sensitive information.
The vulnerability exists due to improper input validation within the Titan M2 subcomponent in Pixel. A local application can gain access to sensitive information.
8) Improper input validation (CVE-ID: CVE-2021-39681)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 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
The vulnerability allows a local application to execute arbitrary code.
The vulnerability exists due to improper input validation within the Telephony subcomponent in Pixel. A local application can execute arbitrary code.
9) Use-after-free (CVE-ID: CVE-2021-30313)
CWE-ID: CWE-416 - Use After Free
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a malicious application to escalate privileges on the system.
The vulnerability exists due to a use-after-free error in Wired Connectivity caused by a race condition while creating and deleting folders. A malicious application can trigger the use-after-free error and execute arbitrary code with elevated privileges.
10) Improper access control (CVE-ID: CVE-2021-30314)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a malicious application to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions in Telephony component. A malicious third party application can access the Telephony service and obtain sensitive information.
Remediation
Install update from vendor's website.