What is the severity of CVE-2009-4128?

CVE-2009-4128 has a medium severity level due to its potential for brute force attacks on authentication.

How do I fix CVE-2009-4128?

To fix CVE-2009-4128, upgrade to a patched version of GNU GRUB that addresses the password handling vulnerabilities.

What systems are affected by CVE-2009-4128?

CVE-2009-4128 specifically affects GNU GRUB 2 version 1.97.

What type of attacks can exploit CVE-2009-4128?

CVE-2009-4128 can be exploited by physical attackers through brute force attempts on weak password submissions.

Is physical access required to exploit CVE-2009-4128?

Yes, physical access is necessary for an attacker to exploit the vulnerability associated with CVE-2009-4128.

Vulnerability/
CVE-2009-4128

high

7.2

CWE

287

1/12/2009

7/8/2024

CVE-2009-4128

First published: Tue Dec 01 2009(Updated: )

GNU GRand Unified Bootloader (GRUB) 2 1.97 only compares the submitted portion of a password with the actual password, which makes it easier for physically proximate attackers to conduct brute force attacks and bypass authentication by submitting a password whose length is 1.

Credit: cve@mitre.org cve@mitre.org

Affected Software	Affected Version	How to fix
Gnu Grub 2	=1.97

Remedy

http://www.securityfocus.com/bid/36968

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is the severity of CVE-2009-4128?
CVE-2009-4128 has a medium severity level due to its potential for brute force attacks on authentication.
How do I fix CVE-2009-4128?
To fix CVE-2009-4128, upgrade to a patched version of GNU GRUB that addresses the password handling vulnerabilities.
What systems are affected by CVE-2009-4128?
CVE-2009-4128 specifically affects GNU GRUB 2 version 1.97.
What type of attacks can exploit CVE-2009-4128?
CVE-2009-4128 can be exploited by physical attackers through brute force attempts on weak password submissions.
Is physical access required to exploit CVE-2009-4128?
Yes, physical access is necessary for an attacker to exploit the vulnerability associated with CVE-2009-4128.

collector/nvd-historical
collector/nvd-index
agent/type
agent/softwarecombine
agent/weakness
agent/references
agent/author
agent/remedy
agent/severity
agent/tags
agent/first-publish-date
agent/event
collector/nvd-api
source/NVD
agent/software-canonical-lookup
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/description
agent/source
vendor/gnu
canonical/gnu grub 2
version/gnu grub 2/1.97

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Frequently Asked Questions

What is the severity of CVE-2009-4128?
CVE-2009-4128 has a medium severity level due to its potential for brute force attacks on authentication.
How do I fix CVE-2009-4128?
To fix CVE-2009-4128, upgrade to a patched version of GNU GRUB that addresses the password handling vulnerabilities.
What systems are affected by CVE-2009-4128?
CVE-2009-4128 specifically affects GNU GRUB 2 version 1.97.
What type of attacks can exploit CVE-2009-4128?
CVE-2009-4128 can be exploited by physical attackers through brute force attempts on weak password submissions.
Is physical access required to exploit CVE-2009-4128?
Yes, physical access is necessary for an attacker to exploit the vulnerability associated with CVE-2009-4128.