PT-2022-6998

CVE-2023-42116

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Published

2022-06-06

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Updated

2026-10-01

Description by

CVSS 3.1
9.8
Critical
MetricsAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Exim (affected versions not specified)
Description This issue allows remote attackers to execute arbitrary code on affected installations of Exim. The specific flaw exists within the handling of NTLM challenge requests, resulting from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this issue to execute code in the context of the service account. Authentication is not required to exploit this issue.
Recommendations At the moment, there is no information about a newer version that contains a fix for this issue.
Exploitability
Exploit
Fix
Impacts
Vendors
Affected products
Related identifiers
ALT-PU-2023-7644
CLEANSTART-2025-PP73466
DLA-3599-1
DSA-5512-1
OPENSUSE-SU-2023:0293-1
OPENSUSE-SU-2024:0007-1
OPENSUSE-SU-2024:13282-1
USN-6411-1
ZDI-23-1470
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