Vulnerability Details : CVE-2015-8370

Potential exploit
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.
Published 2015-12-16 21:59:04
Updated 2024-10-21 17:35:14
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Denial of service

Products affected by CVE-2015-8370

Exploit prediction scoring system (EPSS) score for CVE-2015-8370

EPSS FAQ
2.77%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 85 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2015-8370

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.9
 MEDIUM AV:L/AC:M/Au:N/C:C/I:C/A:C
3.4
10.0
 NIST
7.4
 HIGH CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
1.4
5.9
 134c704f-9b21-4f2e-91b3-4a467353bcc0 2024-10-21

CWE ids for CVE-2015-8370

  • The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.
    Assigned by: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
  • Assigned by: nvd@nist.gov (Primary)

References for CVE-2015-8370

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