Buffer overflow in Google Android
CVE-2021-0308
In ReadLogicalParts of basicmbr.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-8.1, Android-9, Android-10, Android-11, Android-8.0; Android ID: A-158063095.
Vulnerability class: Buffer Overflow
EPSS: 0.004 (35.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Google Android — versions 8.0, 8.1, 9.0
- Debian Debian_linux — versions 9.0
- N/a Android — versions Android-8.1, Android-9, Android-10
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@android.com (x_refsource_CONFIRM, Vendor Advisory)
- security@android.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- security@android.com (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
Frequently asked questions
- What is CVE-2021-0308?
- CVE-2021-0308 is a medium-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 6.8/10. Published 2021-01-11.
- How severe is CVE-2021-0308?
- Medium severity. CVSS v3 base score is 6.8 out of 10.
- Is CVE-2021-0308 known to be exploited?
- 14 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.