CVE-2013-4577 Information disclosure in n/a
Local attackers can read world-readable GRUB configuration files to obtain password hashes, compromising boot security.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2013-4577?
CVE-2013-4577 is a low-severity vulnerability in n/a, published on 12 May 2014. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-264
Which versions are affected by CVE-2013-4577?
It affects 1 product.
Products include Gnu Grub.
How do I fix CVE-2013-4577?
Apply the vendor's patch.
Is CVE-2013-4577 being exploited?
There is no known exploitation of CVE-2013-4577 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2013-4577, GHSA-2mm6-f25m-73r7, UBUNTU-CVE-2013-4577.