CVE-2009-4128

Public Exploit

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.

Category

7.2
CVSS
Severity: High
CVSS 2.0 •
EPSS 0.04%
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=555195 exploit
http://www.securityfocus.com/bid/36968 patch vdb entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/54210 vdb entry
http://www.openwall.com/lists/oss-security/2024/01/15/3 mailing list

Frequently Asked Questions

What is the severity of CVE-2009-4128?
CVE-2009-4128 has been scored as a high severity vulnerability.
How to fix CVE-2009-4128?
To fix CVE-2009-4128, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2009-4128 being actively exploited in the wild?
It is possible that CVE-2009-4128 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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