CVE-2008-3896
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
02 Description
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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.34% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 27.9% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2008-09-03 14:00Z18 YR AGO
- Last updated
- 2024-08-07 09:53Z2 YR AGO
- Reserved
- 2008-09-03
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass
- Data version
- 5.1
- Document digest
- 4ea17d006214b5edbb5cf3c7565385cbc494edbf7a4aabd11180199e3727055e
05 Affected products
06 References
- www.securityfocus.com20080825 [IVIZ-08-009] Grub Legacy Security Model bypass exploiting wrong BIOS API usagehttp://www.securityfocus.com/archive/1/495726/100/0/threaded
- securityreason.com4206http://securityreason.com/securityalert/4206
- www.ivizsecurity.comhttp://www.ivizsecurity.com/preboot-patch.html
- www.ivizsecurity.comhttp://www.ivizsecurity.com/research/preboot/preboot_whitepaper.pdf
- securityreason.com4204http://securityreason.com/securityalert/4204
07 Fixed in
Debian 12
- grub No fix yet
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- grub No fix yet
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.