CVE-2023-42115
CRITICALExim < 4.96.1 - Out-of-Bounds Write
Title source: ruleDescription
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.
Exploits (3)
Scores
CVSS v3
9.8
EPSS
0.7069
EPSS Percentile
98.7%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-787
Status
published
Products (1)
exim/exim
< 4.96.1
Published
May 03, 2024
Tracked Since
Feb 18, 2026