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CVE-2015-8370

Published: 11 December 2015

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.

Priority

Medium

Status

Package Release Status
grub2
Launchpad, Ubuntu, Debian
Upstream Needed

Ubuntu 14.04 ESM (Trusty Tahr)
Released (2.02~beta2-9ubuntu1.6)
Patches:
Distro: https://bugzilla.redhat.com/attachment.cgi?id=1100986&action=diff