ZDI-CAN-17433: 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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Reference Links
Frequently Asked Questions
What is the title of the vulnerability?
The vulnerability is titled 'ZDI-23-1468: (0Day) Exim NTLM Challenge Out-Of-Bounds Read Information Disclosure Vulnerability'.
What is the severity of ZDI-CAN-17433?
The severity of ZDI-CAN-17433 is low with a severity value of 3.7.
What software is affected by ZDI-CAN-17433?
The Exim software is affected by ZDI-CAN-17433.
Is authentication required to exploit ZDI-CAN-17433?
No, authentication is not required to exploit ZDI-CAN-17433.
How can I fix ZDI-CAN-17433?
To fix ZDI-CAN-17433, users should upgrade to the latest version of Exim.
- agent/description
- agent/event
- agent/first-publish-date
- agent/last-modified-date
- agent/references
- agent/severity
- agent/softwarecombine
- agent/tags
- agent/title
- collector/zdi-advisory
- source/ZDI
- alias/ZDI-23-1468
- alias/ZDI-CAN-17433
- alias/CVE-2023-42114
- agent/software-canonical-lookup
- collector/zdi-published
- vendor/exim
- canonical/exim exim