Out of Bounds Write Vulnerability in MediaTek Modem CCCI
CVE-2023-32840

6.5MEDIUM

Key Information:

Vendor
MediaTek
Status
Mt2731, Mt2735, Mt6731, Mt6739, Mt6761, Mt6762, Mt6763, Mt6765, Mt6767, Mt6768, Mt6769, Mt6769t, Mt6769z, Mt6771, Mt6771t, Mt6813, Mt6833, Mt6833p, Mt6835, Mt6853, Mt6853t, Mt6855, Mt6873, Mt6875, Mt6877, Mt6877t, Mt6878, Mt6879, Mt6880, Mt6883, Mt6885, Mt6886, Mt6889, Mt6890, Mt6891, Mt6893, Mt6895, Mt6895t, Mt6896, Mt6897, Mt6980, Mt6980d, Mt6983t, Mt6983w, Mt6983z, Mt6985, Mt6985t, Mt6989, Mt6990, Mt8666, Mt8667, Mt8673, Mt8675, Mt8765, Mt8766, Mt8768, Mt8781, Mt8786, Mt8788, Mt8789, Mt8791, Mt8791t, Mt8797, Mt8798
Vendor
CVE Published:
6 November 2023

Summary

A vulnerability within the MediaTek modem's CCCI component has been identified, allowing for an out of bounds write due to a missing bounds check. This issue could potentially facilitate local escalation of privileges, where system execution privileges are required for successful exploitation. User interaction may be necessary to execute the exploit, highlighting the importance of adequate security measures in mitigating risks associated with this vulnerability. Users are encouraged to apply the necessary patches to safeguard against possible exploits.

Affected Version(s)

MT2731, MT2735, MT6731, MT6739, MT6761, MT6762, MT6763, MT6765, MT6767, MT6768, MT6769, MT6769T, MT6769Z, MT6771, MT6771T, MT6813, MT6833, MT6833P, MT6835, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6877T, MT6878, MT6879, MT6880, MT6883, MT6885, MT6886, MT6889, MT6890, MT6891, MT6893, MT6895, MT6895T, MT6896, MT6897, MT6980, MT6980D, MT6983T, MT6983W, MT6983Z, MT6985, MT6985T, MT6989, MT6990, MT8666, MT8667, MT8673, MT8675, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8797, MT8798 Modem LR12A, NR15, NR16, VMOLYN, NR17

References

https://corp.mediatek.com/product-security-bulletin/Novem...

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.