What is the vulnerability ID for this Exim vulnerability?

The vulnerability ID for this Exim vulnerability is ZDI-23-1468.

How can remote attackers exploit this Exim vulnerability?

Remote attackers can exploit this Exim vulnerability to disclose sensitive information on affected installations without requiring authentication.

What can be affected by this Exim vulnerability?

This Exim vulnerability can affect installations of Exim, a mail transfer agent.

Is there a reference link available for this Exim vulnerability?

Yes, you can find the reference link for this Exim vulnerability at http://www.zerodayinitiative.com/advisories/ZDI-23-1468/ or https://www.zerodayinitiative.com/advisories/ZDI-23-1468/.

Vulnerability/
ZDI-23-1468

low

3.7

27/9/2023

16/1/2024

ZDI-23-1468: (0Day) Exim NTLM Challenge Out-Of-Bounds Read Information Disclosure Vulnerability

First published: Wed Sep 27 2023(Updated: )

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.

Affected Software	Affected Version	How to fix

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Frequently Asked Questions

What is the vulnerability ID for this Exim vulnerability?
The vulnerability ID for this Exim vulnerability is ZDI-23-1468.
What is the severity level of the Exim NTLM Challenge Out-Of-Bounds Read Information Disclosure Vulnerability?
The severity level of the Exim NTLM Challenge Out-Of-Bounds Read Information Disclosure Vulnerability is low, with a severity value of 3.7.
How can remote attackers exploit this Exim vulnerability?
Remote attackers can exploit this Exim vulnerability to disclose sensitive information on affected installations without requiring authentication.
What can be affected by this Exim vulnerability?
This Exim vulnerability can affect installations of Exim, a mail transfer agent.
Is there a reference link available for this Exim vulnerability?
Yes, you can find the reference link for this Exim vulnerability at http://www.zerodayinitiative.com/advisories/ZDI-23-1468/ or https://www.zerodayinitiative.com/advisories/ZDI-23-1468/.

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collector/zdi-advisory
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alias/ZDI-23-1468
alias/CVE-2023-42114
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vendor/exim
canonical/exim exim

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