CVE-2013-4577

Publication date 12 May 2014

Last updated 24 July 2024

Description

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 in 2.00-20
	20.10 groovy	Fixed in 2.00-20
	20.04 LTS focal	Fixed in 2.00-20
	19.10 eoan	Fixed in 2.00-20
	19.04 disco	Fixed in 2.00-20
	18.10 cosmic	Fixed in 2.00-20
	18.04 LTS bionic	Fixed in 2.00-20
	17.10 artful	Fixed in 2.00-20
	17.04 zesty	Fixed in 2.00-20
	16.10 yakkety	Fixed in 2.00-20
	16.04 LTS xenial	Fixed in 2.00-20
	15.10 wily	Fixed in 2.00-20
	15.04 vivid	Fixed in 2.00-20
	14.10 utopic	Fixed in 2.00-20
	14.04 LTS trusty	Fixed in 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

Description

Status

Patch details

References

Other references

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