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PUBLISHED

CVE-2023-42115

Exim AUTH Out-Of-Bounds Write Remote Code Execution Vulnerability

Reserved:2023-09-06
Published:2024-05-03
Updated:2024-06-06

Description

Exim AUTH Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Exim. Authentication is not required to exploit this vulnerability. The specific flaw exists within the smtp service, which listens on TCP port 25 by default. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of a buffer. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-17434.



CRITICAL: 9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem types

CWE-787: Out-of-bounds Write

Product status

Default status
unknown

R.47.0.0 AutoCAD 2021 & R.47.0.0 AutoCAD LT 2021
affected

References

https://www.zerodayinitiative.com/advisories/ZDI-23-1469/ (ZDI-23-1469)

cve.org CVE-2023-42115

nvd.nist.gov CVE-2023-42115

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