CVE-2019-0196 (GCVE-0-2019-0196)

Vulnerability from cvelistv5 – Published: 2019-06-11 21:02 – Updated: 2024-08-04 17:44
VLAI
Summary
A vulnerability was found in Apache HTTP Server 2.4.17 to 2.4.38. Using fuzzed network input, the http/2 request handling could be made to access freed memory in string comparison when determining the method of a request and thus process the request incorrectly.
Severity
5.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE
  • mod_http2, read-after-free on a string compare
Assigner
References
URL Tags
https://httpd.apache.org/security/vulnerabilities… x_refsource_CONFIRM
http://www.openwall.com/lists/oss-security/2019/04/02/1 mailing-listx_refsource_MLIST
http://www.securityfocus.com/bid/107669 vdb-entryx_refsource_BID
https://seclists.org/bugtraq/2019/Apr/5 mailing-listx_refsource_BUGTRAQ
https://usn.ubuntu.com/3937-1/ vendor-advisoryx_refsource_UBUNTU
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
https://www.debian.org/security/2019/dsa-4422 vendor-advisoryx_refsource_DEBIAN
http://www.apache.org/dist/httpd/CHANGES_2.4.39 x_refsource_MISC
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://support.f5.com/csp/article/K44591505 x_refsource_CONFIRM
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
https://lists.apache.org/thread.html/fd110f4ace2d… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/97a1c58e138e… mailing-listx_refsource_MLIST
https://security.netapp.com/advisory/ntap-2019061… x_refsource_CONFIRM
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
https://www.oracle.com/technetwork/security-advis… x_refsource_MISC
https://lists.apache.org/thread.html/56c2e7cc9deb… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/84a3714f0878… mailing-listx_refsource_MLIST
https://support.hpe.com/hpsc/doc/public/display?d… x_refsource_CONFIRM
https://www.oracle.com/technetwork/security-advis… x_refsource_MISC
https://access.redhat.com/errata/RHSA-2019:3933 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:3935 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:3932 vendor-advisoryx_refsource_REDHAT
https://lists.apache.org/thread.html/rd18c3c43602… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/re3d27b6250a… mailing-listx_refsource_MLIST
https://www.oracle.com/security-alerts/cpuapr2020.html x_refsource_MISC
https://lists.apache.org/thread.html/rf6449464fd8… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r06f0d87ebb6… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rc998b18880d… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r03ee478b3dd… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rd2fb621142e… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r9f93cf6dde3… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/re473305a65b… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r76142b8c511… mailing-listx_refsource_MLIST
Impacted products
Vendor Product Version CPE status
Apache Software Foundation Apache HTTP Server Affected: 2.4.17 to 2.4.38
guessed Create a notification for this product.
Date Public
2019-04-01 00:00
Show details on NVD website
To clipboard 

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                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "A vulnerability was found in Apache HTTP Server 2.4.17 to 2.4.38. Using fuzzed network input, the http/2 request handling could be made to access freed memory in string comparison when determining the method of a request and thus process the request incorrectly."
          },
          {
            "lang": "es",
            "value": "Se descubri\u00f3 una Vulnerabilidad en Apache HTTP Server 2.4.17. usando fuzzed network input, la http/2 manejo de solicitudes podr\u00eda estar hechas para acceder  a la memoria liberada en la comparaci\u00f3n de cadenas al determinar el m\u00e9todo de una solicitud y, por lo tanto, procesar la solicitud incorrectamente."
          }
        ],
        "id": "CVE-2019-0196",
        "lastModified": "2024-11-21T04:16:27.757",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 5.0,
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
                "version": "2.0"
              },
              "exploitabilityScore": 10.0,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ],
          "cvssMetricV30": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "LOW",
                "baseScore": 5.3,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
                "version": "3.0"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 1.4,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2019-06-11T22:29:03.747",
        "references": [
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            "tags": [
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            "url": "https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html"
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        ],
        "sourceIdentifier": "security@apache.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-416"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-09-21T05:51:30+00:00",
      "cve": "CVE-2019-0196",
      "id": "CVE-2019-0196",
      "initial_release_date": "2019-04-01T00:00:00+00:00",
      "product_status:fixed": "359",
      "product_status:known_affected": "13",
      "product_status:known_not_affected": "18",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "httpd: mod_http2: read-after-free on a string compare",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-0196.json",
      "version": "3"
    }
  }
}



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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.


Detection rules are retrieved from Rulezet.


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.