SB2022110727 - Multiple vulnerabilities in MediaTek chipsets

Description

This security bulletin contains information about 18 vulnerabilities.

1) Deserialization of Untrusted Data (CVE-ID: CVE-2022-32601)

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 specially crafted data to the service and execute arbitrary code with elevated privileges.

2) Out-of-bounds read (CVE-ID: CVE-2022-32602)

CWE-ID: CWE-125 - Out-of-bounds read

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 potentially sensitive information.

The vulnerability exists due to a boundary condition in keyinstall. A local application can trigger an out-of-bounds read error and read contents of memory on the system.

3) Reachable Assertion (CVE-ID: CVE-2022-26446)

CWE-ID: CWE-617 - Reachable Assertion

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 reachable assertion within the 4G RRC Modem. A remote attacker can send specially crafted SIB12 (CMAS messages) data to the affected system and perform a denial of service (DoS) attack.

4) Buffer overflow (CVE-ID: CVE-2022-21778)

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 vpu. A local application can trigger memory corruption and execute arbitrary code with elevated privileges.

5) Out-of-bounds write (CVE-ID: CVE-2022-32603)

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 in gpu drm. A local application can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

6) Out-of-bounds write (CVE-ID: CVE-2022-32605)

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 in isp. A local application can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

7) Use-after-free (CVE-ID: CVE-2022-32607)

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 in aee. A local application can trigger a use-after-free error and execute arbitrary code with elevated privileges.

8) Time-of-check Time-of-use (TOCTOU) Race Condition (CVE-ID: CVE-2022-32608)

CWE-ID: CWE-367 - Time-of-check Time-of-use (TOCTOU) 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 application to escalate privileges on the system.

The vulnerability exists due to a race condition within the jpeg component. A local application can exploit the race and escalate privileges on the system.

9) Use-after-free (CVE-ID: CVE-2022-32609)

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 in vcu. A local application can trigger a use-after-free error and execute arbitrary code with elevated privileges.

10) Use-after-free (CVE-ID: CVE-2022-32610)

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 in vcu. A local application can trigger a use-after-free error and execute arbitrary code with elevated privileges.

11) Out-of-bounds write (CVE-ID: CVE-2022-32611)

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 in isp. A local application can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

12) Use-after-free (CVE-ID: CVE-2022-32612)

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 in vcu. A local application can trigger a use-after-free error and execute arbitrary code with elevated privileges.

13) Use-after-free (CVE-ID: CVE-2022-32613)

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 in vcu. A local application can trigger a use-after-free error and execute arbitrary code with elevated privileges.

14) Double Free (CVE-ID: CVE-2022-32614)

CWE-ID: CWE-415 - Double 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 logic error within the audio component. A local application can trigger a double free error and execute arbitrary code with elevated privileges.

15) Out-of-bounds write (CVE-ID: CVE-2022-32615)

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 in ccd. A local application can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

16) Out-of-bounds write (CVE-ID: CVE-2022-32616)

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 in isp. A local application can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

17) Out-of-bounds write (CVE-ID: CVE-2022-32617)

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 in typec. A local application can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

18) Out-of-bounds write (CVE-ID: CVE-2022-32618)

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 in typec. A local application can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Remediation

Install update from vendor's website.

References

• https://corp.mediatek.com/product-security-bulletin/November-2022