Grub2: bypass the grub password protection feature
概要
An authentication bypass flaw was found in GRUB due to the way that GRUB uses the UUID of a device to search for the configuration file that contains the password hash for the GRUB password protection feature. An attacker capable of attaching an external drive such as a USB stick containing a file s...
原文の説明 取得元が公開している説明をそのまま載せています (多くは英語)。
An authentication bypass flaw was found in GRUB due to the way that GRUB uses the UUID of a device to search for the configuration file that contains the password hash for the GRUB password protection feature. An attacker capable of attaching an external drive such as a USB stick containing a file system with a duplicate UUID (the same as in the "/boot/" file system) can bypass the GRUB password protection feature on UEFI systems, which enumerate removable drives before non-removable ones. This issue was introduced in a downstream patch in Red Hat's version of grub2 and does not affect the upstream package.
出典: CVE.org (CVE Program・cvelistV5) NVD
参照URL
- advisory access.redhat.com
- advisory dfir.ru
- patch bugzilla.redhat.com
- web access.redhat.com
- web access.redhat.com
- web access.redhat.com
- web openwall.com
- web lists.fedoraproject.org
- web lists.fedoraproject.org
- web security.netapp.com