GSD-2023-27582

Vulnerability from gsd - Updated: 2023-12-13 01:20
Details
maddy is a composable, all-in-one mail server. Starting with version 0.2.0 and prior to version 0.6.3, maddy allows a full authentication bypass if SASL authorization username is specified when using the PLAIN authentication mechanisms. Instead of validating the specified username, it is accepted as is after checking the credentials for the authentication username. maddy 0.6.3 includes the fix for the bug. There are no known workarounds.
Aliases
Aliases
CVE-2023-27582
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{
  "GSD": {
    "alias": "CVE-2023-27582",
    "id": "GSD-2023-27582"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-27582"
      ],
      "details": "maddy is a composable, all-in-one mail server. Starting with version 0.2.0 and prior to version 0.6.3, maddy allows a full authentication bypass if SASL authorization username is specified when using the PLAIN authentication mechanisms. Instead of validating the specified username, it is accepted as is after checking the credentials for the authentication username. maddy 0.6.3 includes the fix for the bug. There are no known workarounds.",
      "id": "GSD-2023-27582",
      "modified": "2023-12-13T01:20:55.439943Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ID": "CVE-2023-27582",
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                          "version_value": "\u003e= 0.2.0  0.6.3"
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          }
        ]
      },
      "impact": {
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          {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 9.1,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
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      "problemtype": {
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                "cweId": "CWE-287",
                "lang": "eng",
                "value": "CWE-287: Improper Authentication"
              }
            ]
          },
          {
            "description": [
              {
                "cweId": "CWE-305",
                "lang": "eng",
                "value": "CWE-305: Authentication Bypass by Primary Weakness"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/foxcpp/maddy/security/advisories/GHSA-4g76-w3xw-2x6w",
            "refsource": "MISC",
            "url": "https://github.com/foxcpp/maddy/security/advisories/GHSA-4g76-w3xw-2x6w"
          },
          {
            "name": "https://github.com/foxcpp/maddy/commit/55a91a37b71210f34f98f4d327c30308fe24399a",
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          },
          {
            "name": "https://github.com/foxcpp/maddy/commit/9f58cb64b39cdc01928ec463bdb198c4c2313a9c",
            "refsource": "MISC",
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      "source": {
        "advisory": "GHSA-4g76-w3xw-2x6w",
        "discovery": "UNKNOWN"
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003e=v0.2.0 \u003cv0.6.3",
          "affected_versions": "All versions starting from 0.2.0 before 0.6.3",
          "cwe_ids": [
            "CWE-1035",
            "CWE-287",
            "CWE-305",
            "CWE-937"
          ],
          "date": "2023-03-14",
          "description": "maddy is a composable, all-in-one mail server. Starting with version 0.2.0 and prior to version 0.6.3, maddy allows a full authentication bypass if SASL authorization username is specified when using the PLAIN authentication mechanisms. Instead of validating the specified username, it is accepted as is after checking the credentials for the authentication username. maddy 0.6.3 includes the fix for the bug. There are no known workarounds.",
          "fixed_versions": [
            "v0.6.3"
          ],
          "identifier": "CVE-2023-27582",
          "identifiers": [
            "GHSA-4g76-w3xw-2x6w",
            "CVE-2023-27582"
          ],
          "not_impacted": "All versions before 0.2.0, all versions starting from 0.6.3",
          "package_slug": "go/github.com/foxcpp/maddy",
          "pubdate": "2023-03-14",
          "solution": "Upgrade to version 0.6.3 or above.",
          "title": "Authentication Bypass by Primary Weakness",
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            "https://github.com/foxcpp/maddy/commit/55a91a37b71210f34f98f4d327c30308fe24399a",
            "https://github.com/foxcpp/maddy/commit/9f58cb64b39cdc01928ec463bdb198c4c2313a9c",
            "https://github.com/foxcpp/maddy/releases/tag/v0.6.3",
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                "sha": "69c40de2c5bd90126332af404aa1cae2bf8fe67b",
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                "timestamp": "20200326200817"
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                "sha": "b6d17cfe19452a823629687f334c6acea01f0bed",
                "tags": [
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                ],
                "timestamp": "20230313213222"
              },
              "number": "v0.6.3"
            }
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      ]
    },
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        "nodes": [
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                "versionEndExcluding": "0.6.3",
                "versionStartIncluding": "0.2.0",
                "vulnerable": true
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            "attackVector": "NETWORK",
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            "baseSeverity": "CRITICAL",
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            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2023-03-17T16:20Z",
      "publishedDate": "2023-03-13T22:15Z"
    }
  }
}


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  • 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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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