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CVE-2024-9026 (GCVE-0-2024-9026)

Vulnerability from cvelistv5 – Published: 2024-10-08 04:07 – Updated: 2025-11-03 22:33
VLAI
Title
PHP-FPM logs from children may be altered
Summary
In PHP versions 8.1.* before 8.1.30, 8.2.* before 8.2.24, 8.3.* before 8.3.12, when using PHP-FPM SAPI and it is configured to catch workers output through catch_workers_output = yes, it may be possible to pollute the final log or remove up to 4 characters from the log messages by manipulating log message content. Additionally, if PHP-FPM is configured to use syslog output, it may be possible to further remove log data using the same vulnerability.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-08 12:47 UTC
CWE
  • CWE-158 - Improper Neutralization of Null Byte or NUL Character
  • CWE-117 - Improper Output Neutralization for Logs
Assigner
Impacted products
Vendor Product Version CPE status
PHP Group PHP Affected: 8.1.* , < 8.1.30 (semver)
Affected: 8.2.* , < 8.2.24 (semver)
Affected: 8.3.* , < 8.3.12 (semver)
guessed Create a notification for this product.
php php Affected: 8.1.0 , < 8.1.30 (semver)
Affected: 8.2.0 , < 8.2.24 (semver)
Affected: 8.3.0 , < 8.3.12 (semver)
    cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2024-09-27 17:50
Show details on NVD website

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                "versions": [
                  {
                    "lessThan": "8.1.30",
                    "status": "affected",
                    "version": "8.1.0",
                    "versionType": "semver"
                  },
                  {
                    "lessThan": "8.2.24",
                    "status": "affected",
                    "version": "8.2.0",
                    "versionType": "semver"
                  },
                  {
                    "lessThan": "8.3.12",
                    "status": "affected",
                    "version": "8.3.0",
                    "versionType": "semver"
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            ],
            "metrics": [
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                "other": {
                  "content": {
                    "id": "CVE-2024-9026",
                    "options": [
                      {
                        "Exploitation": "poc"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2024-10-08T12:47:58.418408Z",
                    "version": "2.0.3"
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                  "type": "ssvc"
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            ],
            "providerMetadata": {
              "dateUpdated": "2024-10-08T12:49:08.252Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
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        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "PHP",
              "vendor": "PHP Group",
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          "credits": [
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              "lang": "en",
              "type": "reporter",
              "value": "S\u00e9bastien Rolland"
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          ],
          "datePublic": "2024-09-27T17:50:00.000Z",
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              "supportingMedia": [
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                  "base64": false,
                  "type": "text/html",
                  "value": "In PHP versions 8.1.* before 8.1.30, 8.2.* before 8.2.24, 8.3.* before 8.3.12, when using PHP-FPM SAPI and it is\u0026nbsp;configured to catch workers output through catch_workers_output = yes,\u0026nbsp;it may be possible to pollute the final log or\u0026nbsp;remove up to 4 characters from the log messages by manipulating log message content. Additionally, if\u0026nbsp;\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003ePHP-FPM is configured to use syslog output, it may be possible to further remove log data using the same vulnerability.\u0026nbsp;\u003c/span\u003e\u003cbr\u003e"
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              "capecId": "CAPEC-268",
              "descriptions": [
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                  "lang": "en",
                  "value": "CAPEC-268 Audit Log Manipulation"
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                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "NONE",
                "baseScore": 3.3,
                "baseSeverity": "LOW",
                "confidentialityImpact": "NONE",
                "integrityImpact": "LOW",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
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          "problemTypes": [
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              "descriptions": [
                {
                  "cweId": "CWE-158",
                  "description": "CWE-158: Improper Neutralization of Null Byte or NUL Character",
                  "lang": "en",
                  "type": "CWE"
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            {
              "descriptions": [
                {
                  "cweId": "CWE-117",
                  "description": "CWE-117: Improper Output Neutralization for Logs",
                  "lang": "en",
                  "type": "CWE"
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          "providerMetadata": {
            "dateUpdated": "2024-10-08T04:07:33.452Z",
            "orgId": "dd77f84a-d19a-4638-8c3d-a322d820ed2b",
            "shortName": "php"
          },
          "references": [
            {
              "url": "https://github.com/php/php-src/security/advisories/GHSA-865w-9rf3-2wh5"
            }
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          "source": {
            "discovery": "EXTERNAL"
          },
          "title": "PHP-FPM logs from children may be altered",
          "x_generator": {
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      },
      "cveMetadata": {
        "assignerOrgId": "dd77f84a-d19a-4638-8c3d-a322d820ed2b",
        "assignerShortName": "php",
        "cveId": "CVE-2024-9026",
        "datePublished": "2024-10-08T04:07:33.452Z",
        "dateReserved": "2024-09-20T00:15:42.321Z",
        "dateUpdated": "2024-10-08T13:52:08.340Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Detection rules are retrieved from Rulezet.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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