CVE-2023-4456 (GCVE-0-2023-4456)

Vulnerability from cvelistv5 – Published: 2023-08-21 15:19 – Updated: 2025-11-20 18:27
VLAI
Title
Openshift-logging: lokistack authorisation is cached too broadly
Summary
A flaw was found in openshift-logging LokiStack. The key used for caching is just the token, which is too broad. This issue allows a user with a token valid for one action to execute other actions as long as the authorization allowing the original action is still cached.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-04-26 20:04 UTC
CWE
  • CWE-1220 - Insufficient Granularity of Access Control
References
URL Tags
https://access.redhat.com/errata/RHSA-2023:4933 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:5095 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:5096 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2023-4456 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2233087 issue-trackingx_refsource_REDHAT
Impacted products
Vendor Product Version CPE status
Red Hat RHOL-5.5-RHEL-8 Unaffected: v0.1.0-327 , < * (rpm)
    cpe:/a:redhat:logging:5.5::el8
Create a notification for this product.
Red Hat RHOL-5.6-RHEL-8 Unaffected: v0.1.0-326 , < * (rpm)
    cpe:/a:redhat:logging:5.6::el8
Create a notification for this product.
Red Hat RHOL-5.7-RHEL-8 Unaffected: v0.1.0-325 , < * (rpm)
    cpe:/a:redhat:logging:5.7::el8
Create a notification for this product.
Date Public
2023-08-21 00:00
Show details on NVD website

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              "value": "A flaw was found in openshift-logging LokiStack. The key used for caching is just the token, which is too broad. This issue allows a user with a token valid for one action to execute other actions as long as the authorization allowing the original action is still cached."
            }
          ],
          "metrics": [
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              "other": {
                "content": {
                  "namespace": "https://access.redhat.com/security/updates/classification/",
                  "value": "Moderate"
                },
                "type": "Red Hat severity rating"
              }
            },
            {
              "cvssV3_1": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 5.7,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N",
                "version": "3.1"
              },
              "format": "CVSS"
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          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-1220",
                  "description": "Insufficient Granularity of Access Control",
                  "lang": "en",
                  "type": "CWE"
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              ]
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          ],
          "providerMetadata": {
            "dateUpdated": "2025-11-20T18:27:42.202Z",
            "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
            "shortName": "redhat"
          },
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              "name": "RHSA-2023:4933",
              "tags": [
                "vendor-advisory",
                "x_refsource_REDHAT"
              ],
              "url": "https://access.redhat.com/errata/RHSA-2023:4933"
            },
            {
              "name": "RHSA-2023:5095",
              "tags": [
                "vendor-advisory",
                "x_refsource_REDHAT"
              ],
              "url": "https://access.redhat.com/errata/RHSA-2023:5095"
            },
            {
              "name": "RHSA-2023:5096",
              "tags": [
                "vendor-advisory",
                "x_refsource_REDHAT"
              ],
              "url": "https://access.redhat.com/errata/RHSA-2023:5096"
            },
            {
              "tags": [
                "vdb-entry",
                "x_refsource_REDHAT"
              ],
              "url": "https://access.redhat.com/security/cve/CVE-2023-4456"
            },
            {
              "name": "RHBZ#2233087",
              "tags": [
                "issue-tracking",
                "x_refsource_REDHAT"
              ],
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2233087"
            }
          ],
          "timeline": [
            {
              "lang": "en",
              "time": "2023-08-21T00:00:00+00:00",
              "value": "Reported to Red Hat."
            },
            {
              "lang": "en",
              "time": "2023-08-21T00:00:00+00:00",
              "value": "Made public."
            }
          ],
          "title": "Openshift-logging: lokistack authorisation is cached too broadly",
          "x_redhatCweChain": "CWE-1220: Insufficient Granularity of Access Control"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "assignerShortName": "redhat",
        "cveId": "CVE-2023-4456",
        "datePublished": "2023-08-21T15:19:22.208Z",
        "dateReserved": "2023-08-21T11:46:25.407Z",
        "dateUpdated": "2025-11-20T18:27:42.202Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.

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Detection rules are retrieved from Rulezet.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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