Memory Corruption in m4u Affects MediaTek Products
CVE-2021-0612

7.8HIGH

Key Information:

Vendor

Google
Status
Mt6580, Mt6582e, Mt6582h, Mt6582t, Mt6582w, Mt6582 90, Mt6589, Mt6589td, Mt6592e, Mt6592h, Mt6592t, Mt6592w, Mt6592 90, Mt6595, Mt6731, Mt6732, Mt6735, Mt6737, Mt6739, Mt6750, Mt6750s, Mt6752, Mt6753, Mt6755, Mt6755s, Mt6757, Mt6757c, Mt6757cd, Mt6757ch, Mt6758, Mt6761, Mt6762, Mt6763, Mt6765, Mt6768, Mt6769, Mt6771, Mt6779, Mt6785, Mt6795, Mt6797, Mt6799, Mt6833, Mt6853, Mt6853t, Mt6873, Mt6875, Mt6877, Mt6883, Mt6885, Mt6889, Mt6891, Mt6893
Vendor
CVE Published:
27 September 2021

What is CVE-2021-0612?

A vulnerability exists in MediaTek's m4u, where memory corruption can occur due to a use after free condition. This flaw allows for the potential escalation of privileges locally, requiring system execution privileges for exploitation. No user interaction is necessary for an attacker to exploit this vulnerability, raising significant security concerns for affected systems. Prompt application of patches is essential to mitigate risks associated with this issue.

Affected Version(s)

MT6580, MT6582E, MT6582H, MT6582T, MT6582W, MT6582_90, MT6589, MT6589TD, MT6592E, MT6592H, MT6592T, MT6592W, MT6592_90, MT6595, MT6731, MT6732, MT6735, MT6737, MT6739, MT6750, MT6750S, MT6752, MT6753, MT6755, MT6755S, MT6757, MT6757C, MT6757CD, MT6757CH, MT6758, MT6761, MT6762, MT6763, MT6765, MT6768, MT6769, MT6771, MT6779, MT6785, MT6795, MT6797, MT6799, MT6833, MT6853, MT6853T, MT6873, MT6875, MT6877, MT6883, MT6885, MT6889, MT6891, MT6893 Android 10.0, 11.0

References

https://corp.mediatek.com/product-security-bulletin/Septe...
x_refsource_MISC

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.