CVE-2023-4491

Easy Address Book Web Server Buffer overflow vulnerability

Description

Buffer overflow vulnerability in Easy Address Book Web Server 1.6 version. The exploitation of this vulnerability could allow an attacker to send a very long username string to /searchbook.ghp, asking for the name via a POST request, resulting in arbitrary code execution on the remote machine.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.13%
Third-Party Advisory incibe.es
Affected: EFS Software Easy Address Book Web Server
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2023-4491?
CVE-2023-4491 has been scored as a critical severity vulnerability.
How to fix CVE-2023-4491?
To fix CVE-2023-4491, 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-2023-4491 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-4491 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-4491?
CVE-2023-4491 affects EFS Software Easy Address Book Web Server.
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