cve-2023-42118
Vulnerability from cvelistv5
Published
2024-05-03 02:13
Modified
2024-09-18 18:30
Severity ?
7.5 (High) - CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Exim libspf2 Integer Underflow Remote Code Execution Vulnerability
References
zdi-disclosures@trendmicro.comhttps://www.zerodayinitiative.com/advisories/ZDI-23-1472/
Impacted products
Vendor Product Version
Show details on NVD website

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                "role": "CISA Coordinator",
                "timestamp": "2024-07-03T14:45:10.464774Z",
                "version": "2.0.3"
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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    "cna": {
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          "defaultStatus": "unknown",
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      "dateAssigned": "2023-09-06T16:25:45.475-05:00",
      "datePublic": "2023-09-27T17:21:14.249-05:00",
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          "value": "Exim libspf2 Integer Underflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Exim libspf2. Authentication is not required to exploit this vulnerability. \n\nThe specific flaw exists within the parsing of SPF macros. When parsing SPF macros, the process does not properly validate user-supplied data, which can result in an integer underflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the service account.\n. Was ZDI-CAN-17578."
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              "description": "CWE-191: Integer Underflow (Wrap or Wraparound)",
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      "source": {
        "lang": "en",
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      "title": "Exim libspf2 Integer Underflow Remote Code Execution Vulnerability"
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    "cveId": "CVE-2023-42118",
    "datePublished": "2024-05-03T02:13:26.055Z",
    "dateReserved": "2023-09-06T21:14:24.436Z",
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  }
}


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