CVE-2023-42114

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

State
Published
Severity
3.7 Low
Published
May 3, 2024
Updated
Nov 4, 2025
Reserved
Sep 6, 2023

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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.

Scores

CVSSScoreVectorSource
3.03.7 LowCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:Nzdi

Weaknesses

Affected Products

ProductVersions
EximExim
  • exim 4.95Affected

References

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