fkie_cve-2018-20843
Vulnerability from fkie_nvd
Published
2019-06-24 17:15
Modified
2025-05-30 20:15
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
In libexpat in Expat before 2.2.7, XML input including XML names that contain a large number of colons could make the XML parser consume a high amount of RAM and CPU resources while processing (enough to be usable for denial-of-service attacks).
References
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2019-07/msg00039.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5226Issue Tracking, Third Party Advisory
cve@mitre.orghttps://github.com/libexpat/libexpat/blob/R_2_2_7/expat/ChangesRelease Notes, Third Party Advisory
cve@mitre.orghttps://github.com/libexpat/libexpat/issues/186Issue Tracking, Patch, Third Party Advisory
cve@mitre.orghttps://github.com/libexpat/libexpat/pull/262Exploit, Patch, Third Party Advisory
cve@mitre.orghttps://github.com/libexpat/libexpat/pull/262/commits/11f8838bf99ea0a6f0b76f9760c43704d00c4ff6Patch, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2019/06/msg00028.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CEJJSQSG3KSUQY4FPVHZ7ZTT7FORMFVD/
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IDAUGEB3TUP6NEKJDBUBZX7N5OAUOOOK/
cve@mitre.orghttps://seclists.org/bugtraq/2019/Jun/39Mailing List, Third Party Advisory
cve@mitre.orghttps://security.gentoo.org/glsa/201911-08Third Party Advisory
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20190703-0001/Third Party Advisory
cve@mitre.orghttps://support.f5.com/csp/article/K51011533Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/4040-1/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/4040-2/Third Party Advisory
cve@mitre.orghttps://www.debian.org/security/2019/dsa-4472Third Party Advisory
cve@mitre.orghttps://www.oracle.com/security-alerts/cpuApr2021.htmlPatch, Third Party Advisory
cve@mitre.orghttps://www.oracle.com/security-alerts/cpuapr2020.htmlPatch, Third Party Advisory
cve@mitre.orghttps://www.oracle.com/security-alerts/cpuoct2020.htmlPatch, Third Party Advisory
cve@mitre.orghttps://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory
cve@mitre.orghttps://www.tenable.com/security/tns-2021-11Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00039.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5226Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/libexpat/libexpat/blob/R_2_2_7/expat/ChangesRelease Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/libexpat/libexpat/issues/186Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/libexpat/libexpat/pull/262Exploit, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/libexpat/libexpat/pull/262/commits/11f8838bf99ea0a6f0b76f9760c43704d00c4ff6Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2019/06/msg00028.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CEJJSQSG3KSUQY4FPVHZ7ZTT7FORMFVD/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IDAUGEB3TUP6NEKJDBUBZX7N5OAUOOOK/
af854a3a-2127-422b-91ae-364da2661108https://seclists.org/bugtraq/2019/Jun/39Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201911-08Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20190703-0001/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.f5.com/csp/article/K51011533Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4040-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4040-2/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2019/dsa-4472Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpuApr2021.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpuapr2020.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpuoct2020.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.tenable.com/security/tns-2021-11Third Party Advisory
Impacted products
Vendor Product Version
libexpat_project libexpat *
canonical ubuntu_linux 12.04
canonical ubuntu_linux 14.04
canonical ubuntu_linux 16.04
canonical ubuntu_linux 18.04
canonical ubuntu_linux 18.10
canonical ubuntu_linux 19.04
debian debian_linux 8.0
debian debian_linux 9.0
fedoraproject fedora 29
fedoraproject fedora 30
opensuse leap 15.0
opensuse leap 15.1
oracle hospitality_res_3700 *
oracle http_server 12.1.3.0
oracle http_server 12.2.1.4.0
oracle outside_in_technology 8.5.4
oracle outside_in_technology 8.5.5
tenable nessus *


To clipboard 

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      "url": "https://support.f5.com/csp/article/K51011533"
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    {
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      "tags": [
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      "url": "https://usn.ubuntu.com/4040-1/"
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    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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      "url": "https://usn.ubuntu.com/4040-2/"
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    {
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      "tags": [
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      "url": "https://www.debian.org/security/2019/dsa-4472"
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    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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        "Third Party Advisory"
      ],
      "url": "https://www.oracle.com/security-alerts/cpuApr2021.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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        "Third Party Advisory"
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      "url": "https://www.oracle.com/security-alerts/cpuapr2020.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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        "Third Party Advisory"
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      "url": "https://www.oracle.com/security-alerts/cpuoct2020.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
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    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://www.tenable.com/security/tns-2021-11"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-611"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-611"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.