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CVE-2008-3896

Date: September 3, 2008

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.

Severity Score

Related Resources (8)

http://www.ivizsecurity.com/preboot-patch.html
http://securityreason.com/securityalert/4204
http://www.securityfocus.com/archive/1/495726/100/0/threaded
http://securityreason.com/securityalert/4206
http://www.ivizsecurity.com/research/preboot/preboot_whitepaper.pdf
https://nvd.nist.gov/vuln/detail/CVE-2008-3896
https://people.canonical.com/~ubuntu-security/cve/CVE-2008-3896
https://www.mend.io/vulnerability-database/CVE-2008-3896

Severity Score

Weakness Type (CWE)

Information Leak / Disclosure

CWE-200

CVSS v3.1

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

CVSS v2

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

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