Out of Bounds Write Vulnerability in MediaTek KeyInstall
CVE-2023-20754

6.7MEDIUM

Key Information:

Vendor

MediaTek
Status
Mt6580, Mt6731, Mt6735, Mt6737, Mt6739, Mt6753, Mt6757, Mt6757c, Mt6757cd, Mt6757ch, Mt6761, Mt6762, Mt6763, Mt6765, Mt6768, Mt6769, Mt6771, Mt6779, Mt6781, Mt6785, Mt6789, Mt6833, Mt6835, Mt6853, Mt6853t, Mt6855, Mt6873, Mt6875, Mt6877, Mt6879, Mt6883, Mt6885, Mt6886, Mt6889, Mt6891, Mt6893, Mt6895, Mt6983, Mt6985, Mt8185, Mt8321, Mt8385, Mt8666, Mt8667, Mt8765, Mt8766, Mt8768, Mt8781, Mt8786, Mt8788, Mt8789, Mt8791, Mt8791t, Mt8797
Vendor
CVE Published:
4 July 2023

What is CVE-2023-20754?

The KeyInstall component in MediaTek's software is susceptible to an out of bounds write vulnerability caused by an integer overflow. This flaw allows local attackers to escalate privileges, potentially gaining system execution privileges without requiring user interaction. It highlights the importance of timely software updates and patches to mitigate such risks. Security patches with identifiers ALPS07563028 and ALPS07588343 have been released to address this issue, reinforcing the need for vigilance against local privilege escalation vulnerabilities.

Affected Version(s)

MT6580, MT6731, MT6735, MT6737, MT6739, MT6753, MT6757, MT6757C, MT6757CD, MT6757CH, MT6761, MT6762, MT6763, MT6765, MT6768, MT6769, MT6771, MT6779, MT6781, MT6785, MT6789, MT6833, MT6835, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6886, MT6889, MT6891, MT6893, MT6895, MT6983, MT6985, MT8185, MT8321, MT8385, MT8666, MT8667, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8797 Android 11.0, 12.0, 13.0

References

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

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

.