CVE-2015-8370

HighCVSS 7.4/10Last modified Jun 17, 2026

Description

Multiple integer underflows in Grub2 1.98 through 2.02 allow physically proximate attackers to bypass authentication, obtain sensitive information, or cause a denial of service (disk corruption) via backspace characters in the (1) grub_username_get function in grub-core/normal/auth.c or the (2) grub_password_get function in lib/crypto.c, which trigger an "Off-by-two" or "Out of bounds overwrite" memory error.

Metrics

CVSS 3.1 7.4/10CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-264 CWE-191

Affected software

No affected versions have been published.

Timeline

Published: Dec 16, 2015
Last modified: Jun 17, 2026
NVD status: Modified

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