Out-of-bounds write in MediaTek products - CVE-2022-21744
Published: July 8, 2022
Vulnerability identifier: #VU65029
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-21744
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input in Modem 2G RR when decoding GPRS Packet Neighbour Cell Data (PNCD). A remote attacker can send specially crafted packets to the device, trigger an out-of-bounds write and execute arbitrary code on the target system.
Affected software
MT6879
MT6895
MT6890
MT6880
MT6983
MT6855
MT6833
MT6799
MT6797
MT8666
MT8667
MT8675
MT8735A
MT8735B
MT8765
MT8766
MT8768
MT8771
MT8781
MT8786
MT8788
MT8789
MT8791
MT6750S
MT6762M
MT6762D
MT6762
MT6761
MT6758
MT6757P
MT6757
MT6755
MT6763
MT6750
MT6739
MT6737
MT6735
MT6725
MT6297
MT2735
MT2731
MT6765
MT6765T
MT6767
MT6768
MT6769
MT6769T
MT6769Z
MT6771
MT6775
MT6783
MT6785T
MT6789
MT6893
MT6891
MT6889
MT6885
MT6883
MT6877
MT6875
MT6873
MT6853
MT8797
MT6779
MT6781
MT6785
Google Android
MT6895
MT6890
MT6880
MT6983
MT6855
MT6833
MT6799
MT6797
MT8666
MT8667
MT8675
MT8735A
MT8735B
MT8765
MT8766
MT8768
MT8771
MT8781
MT8786
MT8788
MT8789
MT8791
MT6750S
MT6762M
MT6762D
MT6762
MT6761
MT6758
MT6757P
MT6757
MT6755
MT6763
MT6750
MT6739
MT6737
MT6735
MT6725
MT6297
MT2735
MT2731
MT6765
MT6765T
MT6767
MT6768
MT6769
MT6769T
MT6769Z
MT6771
MT6775
MT6783
MT6785T
MT6789
MT6893
MT6891
MT6889
MT6885
MT6883
MT6877
MT6875
MT6873
MT6853
MT8797
MT6779
MT6781
MT6785
Google Android
How to mitigate CVE-2022-21744
Install updates from vendor's website.
Google Android - addressed in versions 10 2022-07-05, 11 2022-07-05, 12L 2022-07-05, 12 2022-07-05