Integer overflow in Google Android
CVE-2021-0677
In ccu driver, there is a possible out of bounds read due to an integer overflow. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05827154; Issue ID: ALPS05827154.
Vulnerability class: Integer Overflow
EPSS: 0.001 (1.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Google Android — versions 11.0
- Mediatek Mt6833
- Mediatek Mt6853
- Mediatek Mt6873
- Mediatek Mt6877
- Mediatek Mt6885
- Mediatek Mt6889
- Mediatek Mt8771
- Mediatek Mt8791
- N/a Mt6833, Mt6853, Mt6873, Mt6877, Mt6885, Mt6889, Mt8771, Mt8791 — versions Android 11.0
Weakness classification (CWE)
References
- security@android.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-0677?
- CVE-2021-0677 is a medium-severity vulnerability in Google Android, classified under Integer Overflow or Wraparound. CVSS score: 4.4/10. Published 2021-12-17.
- How severe is CVE-2021-0677?
- Medium severity. CVSS v3 base score is 4.4 out of 10.