VDB
CVE-2015-8370
CVE-2015-8370
PUBLISHED
CVSS 7.400000095367432 HIGH
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.
EPSS 1.10% · 64.3th percentile
Risk Scores
CVSS 3.1
7.400000095367432
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
1.10%
64.3th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:14.04:LTS | grub2 | 0, 2.00-19ubuntu2, 2.00-19ubuntu3 |
Timeline
- Dec 11, 2015 CVE Published
- Feb 4, 2022 EPSS Score
- Mar 29, 2022 EPSS Score
- Jul 15, 2022 EPSS Score
- Sep 6, 2022 EPSS Score
- Oct 29, 2022 EPSS Score
- Dec 21, 2022 EPSS Score
- Mar 7, 2023 EPSS Score
- Apr 6, 2023 EPSS Score
- May 30, 2023 EPSS Score
- Jul 22, 2023 EPSS Score
- Nov 5, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2015-8370 third-party-advisory
- https://twitter.com/lostinsecurity/status/674925944524640257 third-party-advisory
- http://hmarco.org/bugs/CVE-2015-8370-Grub2-authentication-bypass.html third-party-advisory
- https://ubuntu.com/security/notices/USN-2836-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2015-8370 third-party-advisory