CVE-2023-45132 (GCVE-0-2023-45132)

Vulnerability from cvelistv5 – Published: 2023-10-11 20:21 – Updated: 2024-09-17 13:57
VLAI
Title
IgnoreIP/IgnoreCIDR should not trust X-Forwarded-For
Summary
NAXSI is an open-source maintenance web application firewall (WAF) for NGINX. An issue present starting in version 1.3 and prior to version 1.6 allows someone to bypass the WAF when a malicious `X-Forwarded-For` IP matches `IgnoreIP` `IgnoreCIDR` rules. This old code was arranged to allow older NGINX versions to also support `IgnoreIP` `IgnoreCIDR` when multiple reverse proxies were present. The issue is patched in version 1.6. As a workaround, do not set any `IgnoreIP` `IgnoreCIDR` for older versions.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-17 13:45 UTC
CWE
  • CWE-693 - Protection Mechanism Failure
Impacted products
Vendor Product Version CPE status
wargio naxsi Affected: >= 1.3, < 1.6
guessed Create a notification for this product.
wargio naxsi Affected: 1.3 , < 1.6 (custom)
    cpe:2.3:a:wargio:naxsi:*:*:*:*:*:nginx:*:*
Create a notification for this product.
Show details on NVD website

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              "value": "NAXSI is an open-source maintenance web application firewall (WAF) for NGINX. An issue present starting in version 1.3 and prior to version 1.6 allows someone to bypass the WAF when a malicious `X-Forwarded-For` IP matches `IgnoreIP` `IgnoreCIDR` rules. This old code was arranged to allow older NGINX versions to also support `IgnoreIP` `IgnoreCIDR` when multiple reverse proxies were present. The issue is patched in version 1.6. As a workaround, do not set any `IgnoreIP` `IgnoreCIDR` for older versions.\n"
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 9.1,
                "baseSeverity": "CRITICAL",
                "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:H",
                "version": "3.1"
              }
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-693",
                  "description": "CWE-693: Protection Mechanism Failure",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-10-11T20:21:26.313Z",
            "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
            "shortName": "GitHub_M"
          },
          "references": [
            {
              "name": "https://github.com/wargio/naxsi/security/advisories/GHSA-7qjc-q4j9-pc8x",
              "tags": [
                "x_refsource_CONFIRM"
              ],
              "url": "https://github.com/wargio/naxsi/security/advisories/GHSA-7qjc-q4j9-pc8x"
            },
            {
              "name": "https://github.com/wargio/naxsi/pull/103",
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://github.com/wargio/naxsi/pull/103"
            },
            {
              "name": "https://github.com/wargio/naxsi/commit/1b712526ed3314dd6be7e8b0259eabda63c19537",
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://github.com/wargio/naxsi/commit/1b712526ed3314dd6be7e8b0259eabda63c19537"
            }
          ],
          "source": {
            "advisory": "GHSA-7qjc-q4j9-pc8x",
            "discovery": "UNKNOWN"
          },
          "title": "IgnoreIP/IgnoreCIDR should not trust X-Forwarded-For"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "assignerShortName": "GitHub_M",
        "cveId": "CVE-2023-45132",
        "datePublished": "2023-10-11T20:21:26.313Z",
        "dateReserved": "2023-10-04T16:02:46.328Z",
        "dateUpdated": "2024-09-17T13:57:09.781Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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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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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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