Out of Bounds Write Vulnerability in MediaTek Products
CVE-2023-20735

6.7MEDIUM

Key Information:

Vendor

MediaTek
Status
Mt5696, Mt5836, Mt5838, Mt6768, Mt6769, Mt6779, Mt6781, Mt6785, Mt6789, Mt6833, Mt6853, Mt6853t, Mt6873, Mt6875, Mt6877, Mt6883, Mt6885, Mt6889, Mt6891, Mt6893, Mt8168, Mt8175, Mt8195, Mt8365, Mt8395, Mt8673, Mt8781, Mt8786, Mt8789, Mt8791t, Mt8797, Mt9000, Mt9015, Mt9023, Mt9025, Mt9618, Mt9649, Mt9653, Mt9679, Mt9687, Mt9689, Mt9902, Mt9932, Mt9952, Mt9972, Mt9982
Vendor
CVE Published:
6 June 2023

What is CVE-2023-20735?

The vulnerability in MediaTek's vcu poses a risk due to a missing bounds check, potentially leading to an out of bounds write condition. This flaw allows an attacker to escalate privileges locally, necessitating system execution privileges for the exploit to be executed. Notably, the exploitation does not require any user interaction, making it a significant security concern. Patches have been issued under ID ALPS07645149 and the issue is tracked under ID ALPS07645178. For detailed information, refer to the MediaTek product security bulletin.

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Deploy the Patch

Affected Version(s)

MT5696, MT5836, MT5838, MT6768, MT6769, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6873, MT6875, MT6877, MT6883, MT6885, MT6889, MT6891, MT6893, MT8168, MT8175, MT8195, MT8365, MT8395, MT8673, MT8781, MT8786, MT8789, MT8791T, MT8797, MT9000, MT9015, MT9023, MT9025, MT9618, MT9649, MT9653, MT9679, MT9687, MT9689, MT9902, MT9932, MT9952, MT9972, MT9982 Android 12.0, 13.0 / Yocto 4.0 / Iot-Yocto 22.2

References

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

CVSS V3.1

Score:
6.7
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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