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
Published May 12, 2014
2.1
LOWCVSS 2.0
EPSS 0.38%
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.
Affected products
Remediation
Red Hat statement
Not vulnerable. This issue did not affect the grub or grub2 packages shipped in Red Hat products.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.38% (0.00384) | 30.02th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.38% (0.00384) | 29.98th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.14% (0.00144) | 32.03th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00890) | 30.33th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00890) | 28.64th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00890) | 26.62th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00890) | 12.04th | v2 (v2022.01.01) |
References (7)
- http://seclists.org/oss-sec/2013/q4/291 mailing-listx_refsource_MLISTPatch
- http://seclists.org/oss-sec/2013/q4/292 mailing-listx_refsource_MLISTPatch
- http://www.openwall.com/lists/oss-security/2024/01/15/3
- https://access.redhat.com/security/cve/CVE-2013-4577 Vendor Advisory
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=632598 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2013-4577
- https://www.cve.org/CVERecord?id=CVE-2013-4577
| Link | Providers | Tags |
|---|---|---|
| http://seclists.org/oss-sec/2013/q4/291 | mailing-listx_refsource_MLISTPatch | |
| http://seclists.org/oss-sec/2013/q4/292 | mailing-listx_refsource_MLISTPatch | |
| http://www.openwall.com/lists/oss-security/2024/01/15/3 | ||
| https://access.redhat.com/security/cve/CVE-2013-4577 | Vendor Advisory | |
| https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=632598 | x_refsource_CONFIRM | |
| https://nvd.nist.gov/vuln/detail/CVE-2013-4577 | ||
| https://www.cve.org/CVERecord?id=CVE-2013-4577 |
Change history (0)
No recorded changes yet.