Vulnerability Details : CVE-2013-4577
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.
Products affected by CVE-2013-4577
- cpe:2.3:a:gnu:grub:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2013-4577
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2013-4577
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:P/I:N/A:N |
3.9
|
2.9
|
NIST |
CWE ids for CVE-2013-4577
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2013-4577
-
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=632598
#632598 - grub-mkconfig: CVE-2013-4577: should set safer permissions even when hashed passwords are found - Debian Bug report logs
-
http://seclists.org/oss-sec/2013/q4/292
oss-sec: Re: CVE Request: grub-mkconfigPatch
-
http://www.openwall.com/lists/oss-security/2024/01/15/3
oss-security - CVE-2023-4001: a password bypass vulnerability in the downstream GRUB boot manager
-
http://seclists.org/oss-sec/2013/q4/291
oss-sec: CVE Request: grub-mkconfigPatch
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