SB2022100344 - Multiple vulnerabilities in MediaTek chipsets
Published: October 3, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 11 vulnerabilities.
1) Deserialization of Untrusted Data (CVE-ID: CVE-2022-26471)
CWE-ID: CWE-502 - Deserialization of Untrusted Data
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 escalate privileges on the system.
The vulnerability exists due to insecure input validation when processing serialized data within the telephony service. A local application can pass a specially crafted data to the affected service and execute arbitrary code with elevated privileges.
2) Deserialization of Untrusted Data (CVE-ID: CVE-2022-26472)
CWE-ID: CWE-502 - Deserialization of Untrusted Data
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 escalate privileges on the system.
3) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2022-26452)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
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 escalate privileges on the system.
The vulnerability exists due to improper locking within the isp component. A local application with System execution permissions can execute arbitrary code.
4) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2022-26473)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
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 escalate privileges on the system.
The vulnerability exists due to improper locking within the vdec fmt component. A local application with System execution permissions can execute arbitrary code.5) Buffer overflow (CVE-ID: CVE-2022-26474)
CWE-ID: CWE-119 - Memory corruption
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 escalate privileges on the system.
The vulnerability exists due to a boundary error in sensorhub. A local application can trigger memory corruption and execute arbitrary code with elevated privileges.
6) Buffer overflow (CVE-ID: CVE-2022-26475)
CWE-ID: CWE-119 - Memory corruption
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 escalate privileges on the system.
7) Improper Resource Shutdown or Release (CVE-ID: CVE-2022-32589)
CWE-ID: CWE-404 - Improper Resource Shutdown or Release
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper resource shutdown or release in Wi-Fi driver. A remote attacker can send specially crafted traffic to the affected device and perform a denial of service (DoS) attack.
8) Use-after-free (CVE-ID: CVE-2022-32590)
CWE-ID: CWE-416 - Use After Free
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 escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the WLAN component. A local application can trigger a use-after-free error and execute arbitrary code with elevated privileges.
9) Buffer overflow (CVE-ID: CVE-2022-32591)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error within the ril component. A remote attacker can send specially crafted traffic to the device, trigger memory corruption and perform a denial of service (DoS) attack.
10) Input validation error (CVE-ID: CVE-2022-32592)
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 escalate privileges on the system.
The vulnerability exists due to improper input validation within cpu dvfs. A local application can execute arbitrary code with elevated privileges.11) Out-of-bounds write (CVE-ID: CVE-2022-32593)
CWE-ID: CWE-787 - Out-of-bounds write
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 escalate privileges on the system.
The vulnerability exists due to a boundary error within the vowe component. A local application can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.
Remediation
Install update from vendor's website.