CVE-2021-0556 — MEDIUM (5.5)

Vulnerability Description

In getBlockSum of fastcodemb.cpp, there is a possible out of bounds read due to a heap buffer overflow. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-172716941

CVSS Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Google	Android	11.0

Related Weaknesses (CWE)

CWE-125

References

https://source.android.com/security/bulletin/pixel/2021-06-01Vendor Advisory
https://source.android.com/security/bulletin/pixel/2021-06-01Vendor Advisory

FAQ

What is CVE-2021-0556?

CVE-2021-0556 is a vulnerability with a CVSS score of 5.5 (MEDIUM). In getBlockSum of fastcodemb.cpp, there is a possible out of bounds read due to a heap buffer overflow. This could lead to local information disclosure with no additional execution privileges needed. ...

How severe is CVE-2021-0556?

CVE-2021-0556 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-0556?

Check the references section above for vendor advisories and patch information. Affected products include: Google Android.