CVE-2023-42114

Exim NTLM Challenge Out-Of-Bounds Read Information Disclosure Vulnerability

Description

Exim NTLM Challenge Out-Of-Bounds Read Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Exim. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of NTLM challenge requests. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated data structure. An attacker can leverage this vulnerability to disclose information in the context of the service account. . Was ZDI-CAN-17433.

Category

3.7
CVSS
Severity: Low
CVSS 3.0 •
EPSS 12.82% Top 10%
Affected: Exim Exim
Published at:
Updated at:

References

Link Tags
https://www.zerodayinitiative.com/advisories/ZDI-23-1468/

Frequently Asked Questions

What is the severity of CVE-2023-42114?
CVE-2023-42114 has been scored as a low severity vulnerability.
How to fix CVE-2023-42114?
To fix CVE-2023-42114, 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-2023-42114 being actively exploited in the wild?
It is possible that CVE-2023-42114 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~13% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-42114?
CVE-2023-42114 affects Exim Exim.
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