GSD-2020-26970

Vulnerability from gsd - Updated: 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": {
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      ],
      "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"
    }
  },
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      "impact": {
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          "cvssV2": {
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            "accessVector": "NETWORK",
            "authentication": "NONE",
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            "baseScore": 9.3,
            "confidentialityImpact": "COMPLETE",
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            "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
            "version": "2.0"
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          "impactScore": 10.0,
          "obtainAllPrivilege": false,
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          "severity": "HIGH",
          "userInteractionRequired": true
        },
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            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
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            "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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  • 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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