CVE-2009-4128

Published: Dec 1, 2009Modified: Apr 23, 2026

7.2

Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitability: 3.9 / Impact: 10.0

Source: NVD

Description

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.

Affected (1)

Products: Gnu: Grub 2

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Gnu Grub 2	Version 1.97

Related CWEs

Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

References (8)

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=555195

Source: cve@mitre.org

Exploit

http://www.openwall.com/lists/oss-security/2024/01/15/3

Source: cve@mitre.org

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

Source: cve@mitre.org

Patch

https://exchange.xforce.ibmcloud.com/vulnerabilities/54210

Source: cve@mitre.org

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=555195

Source: af854a3a-2127-422b-91ae-364da2661108

Exploit

http://www.openwall.com/lists/oss-security/2024/01/15/3

Source: af854a3a-2127-422b-91ae-364da2661108

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

Source: af854a3a-2127-422b-91ae-364da2661108

Patch

https://exchange.xforce.ibmcloud.com/vulnerabilities/54210

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.