CVE-2023-42117

2024-05-0303:15:50

CWE-138

zdi

web.nvd.nist.gov

2226

cve-2023-42117

reserved

organization

individual

security problem

publicized

nvd

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.001

Percentile

28.8%

JSON

Exim Improper Neutralization of Special Elements 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 memory corruption condition. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-17554.

Affected configurations

Vulners

Vulnrichment

Node

eximeximRange≤4.96

VendorProductVersionCPE
eximexim*cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
exim	exim	*	cpe:2.3:a:exim:exim::::::::

CNA Affected

[
  {
    "vendor": "Exim",
    "product": "Exim",
    "versions": [
      {
        "version": "4.96-RC1-11-315206fbf",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  }
]