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CVE-2003-1557

Estado: ModificadaAlta (7.6)—

Off-by-one buffer overflow in spamc of SpamAssassin 2.40 through 2.43, when using BSMTP mode ("-B"), allows remote attackers to execute arbitrary code via email containing headers with leading "." characters.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Spamassassin — Spamassassin

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2003-1557",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.6,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:H/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "HIGH",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": true,
        "exploitabilityScore": 4.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2003-12-31T05:00:00.000",
  "references": [
    {
      "url": "http://marc.info/?l=bugtraq&m=104342896818777&w=2",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/7983",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/309912/30/26090/threaded",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/310212/30/26030/threaded",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/6679",
      "tags": [
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/11154",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://marc.info/?l=bugtraq&m=104342896818777&w=2",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/7983",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/309912/30/26090/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/310212/30/26030/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/6679",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/11154",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Off-by-one buffer overflow in spamc of SpamAssassin 2.40 through 2.43, when using BSMTP mode (\"-B\"), allows remote attackers to execute arbitrary code via email containing headers with leading \".\" characters."
    }
  ],
  "lastModified": "2026-06-16T22:04:39.163",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:spamassassin:spamassassin:2.40:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2353EB59-ECCA-490F-BFCC-87D83C7913B1"
            },
            {
              "criteria": "cpe:2.3:a:spamassassin:spamassassin:2.41:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5728466F-B90F-4CE8-AB48-E858C81EB592"
            },
            {
              "criteria": "cpe:2.3:a:spamassassin:spamassassin:2.42:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2DEA0682-7583-447C-A2CC-D9FE7BE5B28E"
            },
            {
              "criteria": "cpe:2.3:a:spamassassin:spamassassin:2.43:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7B72B92D-9C69-4A1F-A9D3-A0ECFAD6A985"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "vendorComments": [
    {
      "comment": "Not vulnerable. This issue did not affect the versions of SpamAssassin as shipped with Red Hat Enterprise Linux 3, 4, or 5.",
      "lastModified": "2008-04-04T00:00:00",
      "organization": "Red Hat"
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}