CVE-2013-4577

Publication date 12 May 2014

Last updated 24 July 2024

A 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.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
grub2	21.04 hirsute	Fixed 2.00-20
	20.10 groovy	Fixed 2.00-20
	20.04 LTS focal	Fixed 2.00-20
	19.10 eoan	Fixed 2.00-20
	19.04 disco	Fixed 2.00-20
	18.10 cosmic	Fixed 2.00-20
	18.04 LTS bionic	Fixed 2.00-20
	17.10 artful	Fixed 2.00-20
	17.04 zesty	Fixed 2.00-20
	16.10 yakkety	Fixed 2.00-20
	16.04 LTS xenial	Fixed 2.00-20
	15.10 wily	Fixed 2.00-20
	15.04 vivid	Fixed 2.00-20
	14.10 utopic	Fixed 2.00-20
	14.04 LTS trusty	Fixed 2.00-20
	13.10 saucy	Ignored end of life
	13.04 raring	Ignored end of life
	12.10 quantal	Ignored end of life
	12.04 LTS precise	Ignored end of life
	10.04 LTS lucid	Ignored end of life

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
grub2	Other: http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=5;filename=safer_grub_cfg_perms.diff.gz;att=1;bug=632598

CVE-2013-4577

Status

Patch details

References

Other references