Vulnerability-Lookup

rustsec-2021-0069

Vulnerability from osv_rustsec

Published

2021-05-22 12:00

Modified

2021-10-19 19:56

Summary

SMTP command injection in body

Details

Affected versions of lettre allowed SMTP command injection through an attacker's controlled message body. The module for escaping lines starting with a period wouldn't catch a period that was placed after a double CRLF sequence, allowing the attacker to end the current message and write arbitrary SMTP commands after it.

The flaw is fixed by correctly handling consecutive CRLF sequences.

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{
  "affected": [
    {
      "database_specific": {
        "categories": [
          "format-injection"
        ],
        "cvss": null,
        "informational": null
      },
      "ecosystem_specific": {
        "affected_functions": null,
        "affects": {
          "arch": [],
          "functions": [
            "lettre::smtp::SmtpTransport::send",
            "lettre::transport::smtp::SmtpTransport::send",
            "lettre::transport::smtp::SmtpTransport::send_raw"
          ],
          "os": []
        }
      },
      "package": {
        "ecosystem": "crates.io",
        "name": "lettre",
        "purl": "pkg:cargo/lettre"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.7.0"
            },
            {
              "fixed": "0.9.6"
            },
            {
              "introduced": "0.10.0-alpha.1"
            },
            {
              "fixed": "0.10.0-rc.3"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "versions": []
    }
  ],
  "aliases": [
    "GHSA-qc36-q22q-cjw3",
    "CVE-2021-38189"
  ],
  "database_specific": {
    "license": "CC0-1.0"
  },
  "details": "Affected versions of lettre allowed SMTP command injection through an attacker\u0027s controlled message body. The module for escaping lines starting with a period wouldn\u0027t catch a period that was placed after a double CRLF sequence, allowing the attacker to end the current message and write arbitrary SMTP commands after it.\n\nThe flaw is fixed by correctly handling consecutive CRLF sequences.",
  "id": "RUSTSEC-2021-0069",
  "modified": "2021-10-19T19:56:47Z",
  "published": "2021-05-22T12:00:00Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://crates.io/crates/lettre"
    },
    {
      "type": "ADVISORY",
      "url": "https://rustsec.org/advisories/RUSTSEC-2021-0069.html"
    },
    {
      "type": "WEB",
      "url": "https://github.com/lettre/lettre/pull/627/commits/93458d01fed0ec81c0e7b4e98e6f35961356fae2"
    }
  ],
  "related": [],
  "severity": [],
  "summary": "SMTP command injection in body"
}

GHSA-QC36-Q22Q-CJW3

Vulnerability from github – Published: 2021-07-12 17:03 – Updated: 2021-08-18 18:52

Summary

SMTP command injection in lettre

Details

Impact

Fix

The flaw is fixed by correctly handling consecutive CRLF sequences.

References

RUSTSEC-2021-0069

Severity ?

9.8 (Critical)


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

Show details on source website

JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "lettre"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.7.0"
            },
            {
              "fixed": "0.9.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-38189"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-147"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-06-01T20:41:39Z",
    "nvd_published_at": "2021-08-08T06:15:00Z",
    "severity": "CRITICAL"
  },
  "details": "### Impact\n\nAffected versions of lettre allowed SMTP command injection through an attacker\u0027s controlled message body. The module for escaping lines starting with a period wouldn\u0027t catch a period that was placed after a double CRLF sequence, allowing the attacker to end the current message and write arbitrary SMTP commands after it.\n\n### Fix\n\nThe flaw is fixed by correctly handling consecutive CRLF sequences.\n\n### References\n\n* [RUSTSEC-2021-0069](https://rustsec.org/advisories/RUSTSEC-2021-0069.html)\n\n\n\n",
  "id": "GHSA-qc36-q22q-cjw3",
  "modified": "2021-08-18T18:52:26Z",
  "published": "2021-07-12T17:03:27Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/lettre/lettre/security/advisories/GHSA-qc36-q22q-cjw3"
    },
    {
      "type": "WEB",
      "url": "https://github.com/lettre/lettre/pull/627/commits/93458d01fed0ec81c0e7b4e98e6f35961356fae2"
    },
    {
      "type": "WEB",
      "url": "https://github.com/lettre/lettre/commit/8bfc20506cc5e098fe6eb3d1cafe3bea791215ce"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/lettre/lettre"
    },
    {
      "type": "WEB",
      "url": "https://rustsec.org/advisories/RUSTSEC-2021-0069.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "SMTP command injection in lettre"
}

CVE-2021-38189 (GCVE-0-2021-38189)

Vulnerability from cvelistv5 – Published: 2021-08-08 05:10 – Updated: 2024-08-04 01:37

Summary

An issue was discovered in the lettre crate before 0.9.6 for Rust. In an e-mail message body, an attacker can place a . character after two <CR><LF> sequences and then inject arbitrary SMTP commands.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://rustsec.org/advisories/RUSTSEC-2021-0069.html	x_refsource_MISC
	https://raw.githubusercontent.com/rustsec/advisor…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T01:37:15.947Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://rustsec.org/advisories/RUSTSEC-2021-0069.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/lettre/RUSTSEC-2021-0069.md"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue was discovered in the lettre crate before 0.9.6 for Rust. In an e-mail message body, an attacker can place a . character after two \u003cCR\u003e\u003cLF\u003e sequences and then inject arbitrary SMTP commands."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-08-08T05:10:12",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
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            "x_refsource_MISC"
          ],
          "url": "https://rustsec.org/advisories/RUSTSEC-2021-0069.html"
        },
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          ],
          "url": "https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/lettre/RUSTSEC-2021-0069.md"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-38189",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
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                          {
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                      }
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        },
        "data_format": "MITRE",
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            }
          ]
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        "problemtype": {
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                  "value": "n/a"
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        "references": {
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              "refsource": "MISC",
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            },
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              "refsource": "MISC",
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  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
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    "datePublished": "2021-08-08T05:10:12",
    "dateReserved": "2021-08-08T00:00:00",
    "dateUpdated": "2024-08-04T01:37:15.947Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

rustsec-2021-0069

Vulnerability from osv_rustsec

GHSA-QC36-Q22Q-CJW3

Impact

Fix

References

CVE-2021-38189 (GCVE-0-2021-38189)

Tags

Sightings

Nomenclature