CVE-2013-4577

NameCVE-2013-4577
DescriptionA certain Debian patch for GNU GRUB uses world-readable permissions for grub.cfg, which allows local users to obtain password hashes, as demonstrated by reading the password_pbkdf2 directive in the file.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitylow (attack range: local)
Debian Bugs632598

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
grub2 (PTS)jessie (security), jessie2.02~beta2-22+deb8u1fixed
stretch2.02~beta3-5+deb9u1fixed
buster, sid2.02+dfsg1-10fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
grub2source(unstable)2.00-20unimportant632598

Notes

Additional hardening for rare setups, not a vulnerability
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