Description
The bootloader configuration module (pyanaconda/bootloader.py) in Anaconda uses 755 permissions for /etc/grub.d, which allows local users to obtain password hashes and conduct brute force password guessing attacks.
References
- FEDORA-2012-7579 vendor-advisory
- http://git.fedorahosted.org/git/?p=anaconda.git%3Ba=commit%3Bh=03ef13b625cc06873a924e0610340f8489fd92df
- [oss-security] 20120504 CVE Request -- anaconda: Weak permissions by writing password configuration file in bootloader configuration module mailing-list
- https://bugzilla.redhat.com/show_bug.cgi?id=819031
- 53486 vdb-entry
- [oss-security] 20120504 Re: CVE Request -- anaconda: Weak permissions by writing password configuration file in bootloader configuration module mailing-list
- [oss-security] 20240116 CVE-2023-4001: a password bypass vulnerability in the downstream GRUB boot manager mailing-list