GSD-2021-3905

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
A memory leak was found in Open vSwitch (OVS) during userspace IP fragmentation processing. An attacker could use this flaw to potentially exhaust available memory by keeping sending packet fragments.
Aliases
Aliases

{
  "GSD": {
    "alias": "CVE-2021-3905",
    "description": "A memory leak was found in Open vSwitch (OVS) during userspace IP fragmentation processing. An attacker could use this flaw to potentially exhaust available memory by keeping sending packet fragments.",
    "id": "GSD-2021-3905",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-3905.html",
      "https://ubuntu.com/security/CVE-2021-3905",
      "https://security.archlinux.org/CVE-2021-3905",
      "https://access.redhat.com/errata/RHBA-2022:0051",
      "https://access.redhat.com/errata/RHBA-2022:0052",
      "https://access.redhat.com/errata/RHBA-2022:5792"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-3905"
      ],
      "details": "A memory leak was found in Open vSwitch (OVS) during userspace IP fragmentation processing. An attacker could use this flaw to potentially exhaust available memory by keeping sending packet fragments.",
      "id": "GSD-2021-3905",
      "modified": "2023-12-13T01:23:34.226077Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "secalert@redhat.com",
        "ID": "CVE-2021-3905",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "openvswitch (ovs)",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "Fixed in v2.17.0"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "A memory leak was found in Open vSwitch (OVS) during userspace IP fragmentation processing. An attacker could use this flaw to potentially exhaust available memory by keeping sending packet fragments."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-401 - Missing Release of Memory after Effective Lifetime"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://bugzilla.redhat.com/show_bug.cgi?id=2019692",
            "refsource": "MISC",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2019692"
          },
          {
            "name": "https://access.redhat.com/security/cve/CVE-2021-3905",
            "refsource": "MISC",
            "url": "https://access.redhat.com/security/cve/CVE-2021-3905"
          },
          {
            "name": "https://ubuntu.com/security/CVE-2021-3905",
            "refsource": "MISC",
            "url": "https://ubuntu.com/security/CVE-2021-3905"
          },
          {
            "name": "https://github.com/openvswitch/ovs-issues/issues/226",
            "refsource": "MISC",
            "url": "https://github.com/openvswitch/ovs-issues/issues/226"
          },
          {
            "name": "https://github.com/openvswitch/ovs/commit/803ed12e31b0377c37d7aa8c94b3b92f2081e349",
            "refsource": "MISC",
            "url": "https://github.com/openvswitch/ovs/commit/803ed12e31b0377c37d7aa8c94b3b92f2081e349"
          },
          {
            "name": "GLSA-202311-16",
            "refsource": "GENTOO",
            "url": "https://security.gentoo.org/glsa/202311-16"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "2.17.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:redhat:enterprise_linux_fast_datapath:7.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:21.10:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:redhat:enterprise_linux_fast_datapath:8.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert@redhat.com",
          "ID": "CVE-2021-3905"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "A memory leak was found in Open vSwitch (OVS) during userspace IP fragmentation processing. An attacker could use this flaw to potentially exhaust available memory by keeping sending packet fragments."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-401"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=2019692",
              "refsource": "MISC",
              "tags": [
                "Issue Tracking",
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2019692"
            },
            {
              "name": "https://ubuntu.com/security/CVE-2021-3905",
              "refsource": "MISC",
              "tags": [
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://ubuntu.com/security/CVE-2021-3905"
            },
            {
              "name": "https://access.redhat.com/security/cve/CVE-2021-3905",
              "refsource": "MISC",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://access.redhat.com/security/cve/CVE-2021-3905"
            },
            {
              "name": "https://github.com/openvswitch/ovs-issues/issues/226",
              "refsource": "MISC",
              "tags": [
                "Exploit",
                "Issue Tracking",
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://github.com/openvswitch/ovs-issues/issues/226"
            },
            {
              "name": "https://github.com/openvswitch/ovs/commit/803ed12e31b0377c37d7aa8c94b3b92f2081e349",
              "refsource": "MISC",
              "tags": [
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://github.com/openvswitch/ovs/commit/803ed12e31b0377c37d7aa8c94b3b92f2081e349"
            },
            {
              "name": "GLSA-202311-16",
              "refsource": "",
              "tags": [],
              "url": "https://security.gentoo.org/glsa/202311-16"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2023-11-26T11:15Z",
      "publishedDate": "2022-08-23T16:15Z"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

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.


Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…