Grub Legacy 0.97 and earlier stores pre-boot authentication passwords in the BIOS…
Priority LOW 11CWE-200Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Partial · None · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-200.
Summary
Grub Legacy 0.97 and earlier stores pre-boot authentication passwords in the BIOS Keyboard buffer and does not clear this buffer before and after use, which allows local users to obtain sensitive information by reading the physical memory locations associated with this buffer.
Why it matters now
EPSS 0.00346 28th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gnu:grub_legacy:*:*:*:*:*:*:*:* | up to 0.97 | Vulnerable | GNU |
| cpe:2.3:a:gnu:grub_legacy:0.92:*:*:*:*:*:*:* | 0.92 | Vulnerable | GNU |
| cpe:2.3:a:gnu:grub_legacy:0.93:*:*:*:*:*:*:* | 0.93 | Vulnerable | GNU |
| cpe:2.3:a:gnu:grub_legacy:0.94:*:*:*:*:*:*:* | 0.94 | Vulnerable | GNU |
| cpe:2.3:a:gnu:grub_legacy:0.94-i386-pc:*:*:*:*:*:*:* | 0.94-i386-pc | Vulnerable | GNU |
| cpe:2.3:a:gnu:grub_legacy:0.95:*:*:*:*:*:*:* | 0.95 | Vulnerable | GNU |
| cpe:2.3:a:gnu:grub_legacy:0.95-i386-pc:*:*:*:*:*:*:* | 0.95-i386-pc | Vulnerable | GNU |
| cpe:2.3:a:gnu:grub_legacy:0.96:*:*:*:*:*:*:* | 0.96 | Vulnerable | GNU |
| cpe:2.3:a:gnu:grub_legacy:0.96-i386-pc:*:*:*:*:*:*:* | 0.96-i386-pc | Vulnerable | GNU |
| cpe:2.3:a:gnu:grub_legacy:0.97-i386-pc:*:*:*:*:*:*:* | 0.97-i386-pc | Vulnerable | GNU |
- cpe:2.3:a:gnu:grub_legacy:*:*:*:*:*:*:*:* Versions up to 0.97 Vulnerable ·GNU
- cpe:2.3:a:gnu:grub_legacy:0.92:*:*:*:*:*:*:* Versions 0.92 Vulnerable ·GNU
- cpe:2.3:a:gnu:grub_legacy:0.93:*:*:*:*:*:*:* Versions 0.93 Vulnerable ·GNU
- cpe:2.3:a:gnu:grub_legacy:0.94:*:*:*:*:*:*:* Versions 0.94 Vulnerable ·GNU
- cpe:2.3:a:gnu:grub_legacy:0.94-i386-pc:*:*:*:*:*:*:* Versions 0.94-i386-pc Vulnerable ·GNU
- cpe:2.3:a:gnu:grub_legacy:0.95:*:*:*:*:*:*:* Versions 0.95 Vulnerable ·GNU
- cpe:2.3:a:gnu:grub_legacy:0.95-i386-pc:*:*:*:*:*:*:* Versions 0.95-i386-pc Vulnerable ·GNU
- cpe:2.3:a:gnu:grub_legacy:0.96:*:*:*:*:*:*:* Versions 0.96 Vulnerable ·GNU
- cpe:2.3:a:gnu:grub_legacy:0.96-i386-pc:*:*:*:*:*:*:* Versions 0.96-i386-pc Vulnerable ·GNU
- cpe:2.3:a:gnu:grub_legacy:0.97-i386-pc:*:*:*:*:*:*:* Versions 0.97-i386-pc Vulnerable ·GNU
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2008-3896
- 2026-10-03 Alias added: GHSA-xf73-4hr6-xcqc
References
Sources
- CVE-2008-3896 · CVE Program
- CVE-2008-3896 · NVD
- FIRST EPSS
- GHSA-xf73-4hr6-xcqc · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences