ghsa-286v-pcf5-25rc
Vulnerability from github
Published
2022-05-24 19:02
Modified
2023-07-10 13:02
Severity ?
5.9 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
Nokogiri Implements libxml2 version vulnerable to null pointer dereferencing
Details

A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.

Show details on source website

To clipboard 

{
   affected: [
      {
         package: {
            ecosystem: "RubyGems",
            name: "nokogiri",
         },
         ranges: [
            {
               events: [
                  {
                     introduced: "0",
                  },
                  {
                     fixed: "1.11.4",
                  },
               ],
               type: "ECOSYSTEM",
            },
         ],
      },
   ],
   aliases: [
      "CVE-2021-3537",
   ],
   database_specific: {
      cwe_ids: [
         "CWE-476",
      ],
      github_reviewed: true,
      github_reviewed_at: "2023-07-05T21:11:25Z",
      nvd_published_at: "2021-05-14T20:15:00Z",
      severity: "MODERATE",
   },
   details: "A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.",
   id: "GHSA-286v-pcf5-25rc",
   modified: "2023-07-10T13:02:03Z",
   published: "2022-05-24T19:02:26Z",
   references: [
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2021-3537",
      },
      {
         type: "WEB",
         url: "https://bugzilla.redhat.com/show_bug.cgi?id=1956522",
      },
      {
         type: "WEB",
         url: "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/nokogiri/CVE-2021-3537.yml",
      },
      {
         type: "PACKAGE",
         url: "https://github.com/sparklemotion/nokogiri",
      },
      {
         type: "WEB",
         url: "https://github.com/sparklemotion/nokogiri/blob/2edbbef95f1dc12c1ddc5ebda71b9159026245fe/CHANGELOG.md?plain=1#L722",
      },
      {
         type: "WEB",
         url: "https://lists.debian.org/debian-lts-announce/2021/05/msg00008.html",
      },
      {
         type: "WEB",
         url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6",
      },
      {
         type: "WEB",
         url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV",
      },
      {
         type: "WEB",
         url: "https://nokogiri.org/CHANGELOG.html#1114-2021-05-14",
      },
      {
         type: "WEB",
         url: "https://security.gentoo.org/glsa/202107-05",
      },
      {
         type: "WEB",
         url: "https://security.netapp.com/advisory/ntap-20210625-0002",
      },
      {
         type: "WEB",
         url: "https://www.oracle.com/security-alerts/cpuapr2022.html",
      },
      {
         type: "WEB",
         url: "https://www.oracle.com/security-alerts/cpujul2022.html",
      },
      {
         type: "WEB",
         url: "https://www.oracle.com/security-alerts/cpuoct2021.html",
      },
   ],
   schema_version: "1.4.0",
   severity: [
      {
         score: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
         type: "CVSS_V3",
      },
   ],
   summary: "Nokogiri Implements libxml2 version vulnerable to null pointer dereferencing",
}


Log in or create an account to share your comment.

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.