CVE-2015-8370
moderate-risk
Published 2015-12-16
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.
Do I need to act?
~
5.1% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.4/10
High
LOCAL
/ HIGH complexity
Affected Vendors
References (46)
and 26 more references
40
/ 100
moderate-risk
Severity
19/34 · Moderate
Exploitability
8/34 · Low
Exposure
13/34 · Low