What is CVE-2019-14563?

CVE-2019-14563 is a high-severity vulnerability in Tianocore Edk2, classified under Incorrect Conversion between Numeric Types. CVSS score: 7.8/10. Published 2020-11-23.

How severe is CVE-2019-14563?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Tianocore Edk2

CVE-2019-14563

Integer truncation in EDK II may allow an authenticated user to potentially enable escalation of privilege via local access.

EPSS: 0.004 (31.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Tianocore Edk2
Debian Debian_linux — versions 9.0
N/a Extensible Firmware Interface Development Kit (Edk Ii) — versions EDK II

Weakness classification (CWE)

CWE-681 — Incorrect Conversion between Numeric Types
CWE-787 — Out-of-bounds Write

References

secure@intel.com (x_refsource_MISC, Issue Tracking)
secure@intel.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2019-14563?: CVE-2019-14563 is a high-severity vulnerability in Tianocore Edk2, classified under Incorrect Conversion between Numeric Types. CVSS score: 7.8/10. Published 2020-11-23.
How severe is CVE-2019-14563?: High severity. CVSS v3 base score is 7.8 out of 10.