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CVE-2017-3169 (GCVE-0-2017-3169)

Vulnerability from cvelistv5 – Published: 2017-06-20 01:00 – Updated: 2024-08-05 14:16
VLAI
Summary
In Apache httpd 2.2.x before 2.2.33 and 2.4.x before 2.4.26, mod_ssl may dereference a NULL pointer when third-party modules call ap_hook_process_connection() during an HTTP request to an HTTPS port.
CWE
  • CWE-476 - Denial of Service (CWE-476)
References
URL Tags
https://support.apple.com/HT208221 x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2017:2479 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2017:2483 vendor-advisoryx_refsource_REDHAT
https://security.netapp.com/advisory/ntap-2018060… x_refsource_CONFIRM
https://lists.apache.org/thread.html/84bf7fcc5cad… mailing-listx_refsource_MLIST
https://www.nomachine.com/SU08O00185 x_refsource_CONFIRM
https://support.hpe.com/hpsc/doc/public/display?d… x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2017:3475 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2017:3195 vendor-advisoryx_refsource_REDHAT
http://www.oracle.com/technetwork/security-adviso… x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2017:3476 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2017:3477 vendor-advisoryx_refsource_REDHAT
http://www.debian.org/security/2017/dsa-3896 vendor-advisoryx_refsource_DEBIAN
https://access.redhat.com/errata/RHSA-2017:3194 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2017:3193 vendor-advisoryx_refsource_REDHAT
http://www.securitytracker.com/id/1038711 vdb-entryx_refsource_SECTRACK
https://github.com/gottburgm/Exploits/tree/master… x_refsource_MISC
http://www.securityfocus.com/bid/99134 vdb-entryx_refsource_BID
https://security.gentoo.org/glsa/201710-32 vendor-advisoryx_refsource_GENTOO
https://access.redhat.com/errata/RHSA-2017:2478 vendor-advisoryx_refsource_REDHAT
https://lists.apache.org/thread.html/56c2e7cc9deb… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/84a3714f0878… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/8d63cb8e9100… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/f7f95ac1cd98… mailing-listx_refsource_MLIST
https://www.tenable.com/security/tns-2019-09 x_refsource_CONFIRM
https://lists.apache.org/thread.html/r57608dc51b7… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rd18c3c43602… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/re3d27b6250a… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rfbaf647d52c… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rf6449464fd8… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r9ea3538f229… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rc998b18880d… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r04e89e873d5… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rfcf929bd33a… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rdca61ae9906… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r9f93cf6dde3… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r6521a7f6227… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rcc44594d4d6… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rad01d817195… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rd336919f655… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r476d175be0a… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r75cbe9ea3e2… mailing-listx_refsource_MLIST
Impacted products
Vendor Product Version CPE status
Apache Software Foundation Apache HTTP Server Affected: 2.2.0 to 2.2.32
Affected: 2.4.0 to 2.4.25
guessed Create a notification for this product.
Date Public
2017-06-19 00:00
Show details on NVD website

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    "cna": {
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        {
          "product": "Apache HTTP Server",
          "vendor": "Apache Software Foundation",
          "versions": [
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      "descriptions": [
        {
          "lang": "en",
          "value": "In Apache httpd 2.2.x before 2.2.33 and 2.4.x before 2.4.26, mod_ssl may dereference a NULL pointer when third-party modules call ap_hook_process_connection() during an HTTP request to an HTTPS port."
        }
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            {
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              "description": "Denial of Service (CWE-476)",
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        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "In Apache httpd 2.2.x before 2.2.33 and 2.4.x before 2.4.26, mod_ssl may dereference a NULL pointer when third-party modules call ap_hook_process_connection() during an HTTP request to an HTTPS port."
          },
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            "lang": "es",
            "value": "En Apache httpd, en versiones 2.2.x anteriores a la 2.2.33 y versiones 2.4.x anteriores a la 2.4.26, mod_ssl podr\u00eda desreferenciar un puntero NULL cuando los m\u00f3dulos de terceros llaman a ap_hook_process_connection() durante una petici\u00f3n HTTP a un puerto HTPS."
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        ],
        "id": "CVE-2017-3169",
        "lastModified": "2026-05-13T00:24:29.033",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": true,
              "baseSeverity": "HIGH",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 7.5,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "PARTIAL",
                "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
                "version": "2.0"
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              "exploitabilityScore": 10.0,
              "impactScore": 6.4,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
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              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 9.8,
                "baseSeverity": "CRITICAL",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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              "exploitabilityScore": 3.9,
              "impactScore": 5.9,
              "source": "nvd@nist.gov",
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        "published": "2017-06-20T01:29:00.360",
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            "url": "https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3E"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3E"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lists.apache.org/thread.html/rfcf929bd33a6833e3f0c35eebdad70d5060665f9c4e17ea467c66770%40%3Ccvs.httpd.apache.org%3E"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://security.gentoo.org/glsa/201710-32"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://security.netapp.com/advisory/ntap-20180601-0002/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://support.apple.com/HT208221"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbux03908en_us"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Mitigation",
              "Third Party Advisory"
            ],
            "url": "https://www.nomachine.com/SU08O00185"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://www.tenable.com/security/tns-2019-09"
          }
        ],
        "sourceIdentifier": "security@apache.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-476"
              }
            ],
            "source": "security@apache.org",
            "type": "Secondary"
          },
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-476"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T07:02:36+00:00",
      "cve": "CVE-2017-3169",
      "id": "CVE-2017-3169",
      "initial_release_date": "2017-06-20T00:00:00+00:00",
      "product_status:fixed": "377",
      "product_status:known_affected": "7",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "httpd: mod_ssl NULL pointer dereference",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2017/cve-2017-3169.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-04T01:03:23Z",
      "cve": "CVE-2017-3169",
      "id": "CVE-2017-3169",
      "initial_release_date": "2023-02-15T04:52:11Z",
      "product_status:recommended": "169",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2017-3169",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2017-3169.json",
      "version": "12"
    }
  }
}



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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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