fkie_cve-2018-20843
Vulnerability from fkie_nvd
Published
2019-06-24 17:15
Modified
2024-11-21 04:02
Severity ?
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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         value: "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).",
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         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Patch",
            "Third Party Advisory",
         ],
         url: "https://www.oracle.com/security-alerts/cpuapr2020.html",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Patch",
            "Third Party Advisory",
         ],
         url: "https://www.oracle.com/security-alerts/cpuoct2020.html",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Patch",
            "Third Party Advisory",
         ],
         url: "https://www.oracle.com/security-alerts/cpuoct2021.html",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Third Party Advisory",
         ],
         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",
      },
   ],
}


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Security Advisory comment format.

This schema specifies the format of a comment related to a security advisory.

UUIDv4 of the comment
UUIDv4 of the Vulnerability-Lookup instance
When the comment was created originally
When the comment was last updated
Title of the comment
Description of the comment
The identifier of the vulnerability (CVE ID, GHSA-ID, PYSEC ID, etc.).



Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • 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.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • 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.