Vulnerability-Lookup

GHSA-V86X-5FM3-5P7J

Vulnerability from github – Published: 2023-08-23 20:42 – Updated: 2023-09-01 17:34

Summary

Alertmanager UI is vulnerable to stored XSS via the /api/v1/alerts endpoint

Details

Impact

An attacker with the permission to perform POST requests on the /api/v1/alerts endpoint could be able to execute arbitrary JavaScript code on the users of Prometheus Alertmanager.

Patches

Users can upgrade to Alertmanager v0.2.51.

Workarounds

Users can setup a reverse proxy in front of the Alertmanager web server to forbid access to the /api/v1/alerts endpoint.

References

N/A

Severity

5.4 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Show details on source website

JSON

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{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 0.25.0"
      },
      "package": {
        "ecosystem": "Go",
        "name": "github.com/prometheus/alertmanager"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.25.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-40577"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-08-23T20:42:43Z",
    "nvd_published_at": "2023-08-25T01:15:09Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\n\nAn attacker with the permission to perform POST requests on the /api/v1/alerts endpoint could be able to execute arbitrary JavaScript code on the users of Prometheus Alertmanager.\n\n### Patches\n\nUsers can upgrade to Alertmanager v0.2.51.\n\n### Workarounds\n\nUsers can setup a reverse proxy in front of the Alertmanager web server to forbid access to the /api/v1/alerts endpoint.\n\n### References\n\nN/A\n",
  "id": "GHSA-v86x-5fm3-5p7j",
  "modified": "2023-09-01T17:34:29Z",
  "published": "2023-08-23T20:42:43Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/prometheus/alertmanager/security/advisories/GHSA-v86x-5fm3-5p7j"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-40577"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/prometheus/alertmanager"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00011.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Alertmanager UI is vulnerable to stored XSS via the /api/v1/alerts endpoint"
}

CVE-2023-40577 (GCVE-0-2023-40577)

Vulnerability from cvelistv5 – Published: 2023-08-25 00:12 – Updated: 2025-02-13 17:08

Title

Alertmanager UI is vulnerable to stored XSS via the /api/v1/alerts endpoint

Summary

Alertmanager handles alerts sent by client applications such as the Prometheus server. An attacker with the permission to perform POST requests on the /api/v1/alerts endpoint could be able to execute arbitrary JavaScript code on the users of Prometheus Alertmanager. This issue has been fixed in Alertmanager version 0.2.51.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-10-02 17:48 UTC

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

GitHub_M mitre root

References

2 references

URL	Tags
https://github.com/prometheus/alertmanager/securi…	x_refsource_CONFIRM
https://lists.debian.org/debian-lts-announce/2023…

Impacted products

1 product

Vendor	Product	Version
prometheus	alertmanager	Affected: <= 0.25.0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T18:38:50.839Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "https://github.com/prometheus/alertmanager/security/advisories/GHSA-v86x-5fm3-5p7j",
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/prometheus/alertmanager/security/advisories/GHSA-v86x-5fm3-5p7j"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00011.html"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-40577",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-10-02T17:48:47.367609Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-10-02T17:48:58.532Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "alertmanager",
          "vendor": "prometheus",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c= 0.25.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Alertmanager handles alerts sent by client applications such as the Prometheus server. An attacker with the permission to perform POST requests on the /api/v1/alerts endpoint could be able to execute arbitrary JavaScript code on the users of Prometheus Alertmanager. This issue has been fixed in Alertmanager version 0.2.51."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-10-08T11:06:14.361Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/prometheus/alertmanager/security/advisories/GHSA-v86x-5fm3-5p7j",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/prometheus/alertmanager/security/advisories/GHSA-v86x-5fm3-5p7j"
        },
        {
          "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00011.html"
        }
      ],
      "source": {
        "advisory": "GHSA-v86x-5fm3-5p7j",
        "discovery": "UNKNOWN"
      },
      "title": "Alertmanager UI is vulnerable to stored XSS via the /api/v1/alerts endpoint"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2023-40577",
    "datePublished": "2023-08-25T00:12:13.045Z",
    "dateReserved": "2023-08-16T18:24:02.390Z",
    "dateUpdated": "2025-02-13T17:08:34.242Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.

Action not permitted

GHSA-V86X-5FM3-5P7J

Impact

Patches

Workarounds

References

CVE-2023-40577 (GCVE-0-2023-40577)

Tags

Sightings

Nomenclature

Related by attack behaviour