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CVE-2013-4577

Date: May 12, 2014

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.

Severity Score

Related Resources (8)

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=632598
https://security-tracker.debian.org/tracker/CVE-2013-4577
http://www.openwall.com/lists/oss-security/2024/01/15/3
https://people.canonical.com/~ubuntu-security/cve/CVE-2013-4577
http://seclists.org/oss-sec/2013/q4/292
http://seclists.org/oss-sec/2013/q4/291
https://nvd.nist.gov/vuln/detail/CVE-2013-4577
https://www.mend.io/vulnerability-database/CVE-2013-4577

Severity Score

Weakness Type (CWE)

Permissions, Privileges, and Access Control

CWE-264

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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