github - ghsa-6q5m-22mq-q2xv

ghsa-6q5m-22mq-q2xv

Vulnerability from github

Published

2022-05-24 19:03

Modified

2023-08-07 20:57

Severity ?

6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Summary

Istio Authorization Bypass Vulnerability

Details

Istio before 1.8.6 and 1.9.x before 1.9.5 has a remotely exploitable vulnerability where an HTTP request path with multiple slashes or escaped slash characters (%2F or %5C) could potentially bypass an Istio authorization policy when path based authorization rules are used.

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "istio.io/istio"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.8.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 1.9.4"
      },
      "package": {
        "ecosystem": "Go",
        "name": "istio.io/istio"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.9.0"
            },
            {
              "fixed": "1.9.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-31920"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-863"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-07-11T16:53:41Z",
    "nvd_published_at": "2021-05-27T05:15:00Z",
    "severity": "MODERATE"
  },
  "details": "Istio before 1.8.6 and 1.9.x before 1.9.5 has a remotely exploitable vulnerability where an HTTP request path with multiple slashes or escaped slash characters (%2F or %5C) could potentially bypass an Istio authorization policy when path based authorization rules are used.",
  "id": "GHSA-6q5m-22mq-q2xv",
  "modified": "2023-08-07T20:57:01Z",
  "published": "2022-05-24T19:03:32Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-31920"
    },
    {
      "type": "WEB",
      "url": "https://istio.io/latest/news/security/istio-security-2021-005"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Istio Authorization Bypass Vulnerability",
  "withdrawn": "2023-08-07T20:57:01Z"
}

cve-2021-31920

Vulnerability from cvelistv5

Published

2021-05-27 04:03

Modified

2024-08-03 23:10

Severity ?

Summary

References

▼	URL	Tags
	https://istio.io/latest/news/security/istio-security-2021-005/	x_refsource_CONFIRM

Impacted products

▼	Vendor	Product
	n/a	n/a

Show details on NVD website

JSON

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  "containers": {
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        "providerMetadata": {
          "dateUpdated": "2024-08-03T23:10:31.275Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        },
        "references": [
          {
            "tags": [
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              "x_transferred"
            ],
            "url": "https://istio.io/latest/news/security/istio-security-2021-005/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
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        {
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        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
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      ],
      "providerMetadata": {
        "dateUpdated": "2021-05-27T04:03:31",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
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          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://istio.io/latest/news/security/istio-security-2021-005/"
        }
      ],
      "x_legacyV4Record": {
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          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-31920",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
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                },
                "vendor_name": "n/a"
              }
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        },
        "data_format": "MITRE",
        "data_type": "CVE",
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        },
        "problemtype": {
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        },
        "references": {
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              "url": "https://istio.io/latest/news/security/istio-security-2021-005/"
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  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
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    "datePublished": "2021-05-27T04:03:31",
    "dateReserved": "2021-04-30T00:00:00",
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    "state": "PUBLISHED"
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}

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.

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