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CVE-2023-42114 Affecting exim4 package, versions <4.92-8+deb10u8

low

Snyk CVSS

      Threat Intelligence

      EPSS 0.07% (29th percentile)

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    • Snyk ID SNYK-DEBIAN10-EXIM4-5923378
    • published 28 Sep 2023
    • disclosed 3 May 2024
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    Introduced: 28 Sep 2023

    CVE-2023-42114 Open this link in a new tab

    How to fix?

    Upgrade Debian:10 exim4 to version 4.92-8+deb10u8 or higher.

    NVD Description

    Note: Versions mentioned in the description apply only to the upstream exim4 package and not the exim4 package as distributed by Debian. See How to fix? for Debian:10 relevant fixed versions and status.

    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.