gsd-2020-26970
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
When reading SMTP server status codes, Thunderbird writes an integer value to a position on the stack that is intended to contain just one byte. Depending on processor architecture and stack layout, this leads to stack corruption that may be exploitable. This vulnerability affects Thunderbird < 78.5.1.
Aliases
Aliases
CVE-2020-26970


To clipboard 

{
  "GSD": {
    "alias": "CVE-2020-26970",
    "description": "When reading SMTP server status codes, Thunderbird writes an integer value to a position on the stack that is intended to contain just one byte. Depending on processor architecture and stack layout, this leads to stack corruption that may be exploitable. This vulnerability affects Thunderbird \u003c 78.5.1.",
    "id": "GSD-2020-26970",
    "references": [
      "https://www.suse.com/security/cve/CVE-2020-26970.html",
      "https://www.debian.org/security/2020/dsa-4802",
      "https://access.redhat.com/errata/RHSA-2020:5645",
      "https://access.redhat.com/errata/RHSA-2020:5644",
      "https://access.redhat.com/errata/RHSA-2020:5400",
      "https://access.redhat.com/errata/RHSA-2020:5399",
      "https://access.redhat.com/errata/RHSA-2020:5398",
      "https://advisories.mageia.org/CVE-2020-26970.html",
      "https://security.archlinux.org/CVE-2020-26970",
      "https://linux.oracle.com/cve/CVE-2020-26970.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-26970"
      ],
      "details": "When reading SMTP server status codes, Thunderbird writes an integer value to a position on the stack that is intended to contain just one byte. Depending on processor architecture and stack layout, this leads to stack corruption that may be exploitable. This vulnerability affects Thunderbird \u003c 78.5.1.",
      "id": "GSD-2020-26970",
      "modified": "2023-12-13T01:22:09.218329Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      "CVE_data_meta": {
        "ASSIGNER": "security@mozilla.org",
        "ID": "CVE-2020-26970",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Thunderbird",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "\u003c 78.5.1"
                        }
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          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Stack overflow due to incorrect parsing of SMTP server response codes"
              }
            ]
          }
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      },
      "references": {
        "reference_data": [
          {
            "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1677338",
            "refsource": "MISC",
            "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1677338"
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          {
            "name": "https://www.mozilla.org/security/advisories/mfsa2020-53/",
            "refsource": "CONFIRM",
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              "product": {
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                        {
                          "version_affected": "\u003c",
                          "version_value": "78.5.1"
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          }
        ]
      },
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          },
          {
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          }
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    },
    "nvd.nist.gov": {
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        "nodes": [
          {
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            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*",
                "cpe_name": [],
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                "vulnerable": true
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            "operator": "OR"
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          "ID": "CVE-2020-26970"
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        "description": {
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            }
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        "problemtype": {
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            },
            {
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            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 9.3,
            "confidentialityImpact": "COMPLETE",
            "integrityImpact": "COMPLETE",
            "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 10.0,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": true
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2020-12-10T18:52Z",
      "publishedDate": "2020-12-09T01:15Z"
    }
  }
}


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