CVE-2015-8370 | 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.
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.
- 🔗 packetstormsecurity.com/files/134831/Grub2-Authentication-Bypass.…
- 🔗 lists.opensuse.org/opensuse-security-announce/2015-12/msg000…
- 🔗 lists.opensuse.org/opensuse-security-announce/2016-01/msg000…
- 🔗 hmarco.org/bugs/CVE-2015-8370-Grub2-authentication-b…
- 🔗 www.securityfocus.com/bid/79358
- 🔗 lists.opensuse.org/opensuse-security-announce/2015-12/msg000…
- 🔗 www.securitytracker.com/id/1034422
- 🔗 www.oracle.com/technetwork/topics/security/cpujan2016-23…
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CVE-2015-8370 | 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.
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_user