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Vulnerability details: VCID-z7ub-bt5e-aaaj
Vulnerability ID VCID-z7ub-bt5e-aaaj
Aliases CVE-2023-42116
Summary Exim SMTP Challenge Stack-based Buffer Overflow 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 handling of NTLM challenge requests. The issue results 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 vulnerability to execute code in the context of the service account. . Was ZDI-CAN-17515.
Status Published
Exploitability 0.5
Weighted Severity 7.3
Risk 3.6
Affected and Fixed Packages Package Details
Weaknesses (2)
System Score Found at
cvssv3 8.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-42116.json
epss 0.00065 https://api.first.org/data/v1/epss?cve=CVE-2023-42116
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epss 0.0318 https://api.first.org/data/v1/epss?cve=CVE-2023-42116
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epss 0.06281 https://api.first.org/data/v1/epss?cve=CVE-2023-42116
epss 0.06281 https://api.first.org/data/v1/epss?cve=CVE-2023-42116
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epss 0.06281 https://api.first.org/data/v1/epss?cve=CVE-2023-42116
epss 0.06281 https://api.first.org/data/v1/epss?cve=CVE-2023-42116
epss 0.12894 https://api.first.org/data/v1/epss?cve=CVE-2023-42116
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-42116.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Exploit Prediction Scoring System (EPSS)
Percentile 0.30055
EPSS Score 0.00065
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.