CVE-2021-40426 (GCVE-0-2021-40426)
Vulnerability from cvelistv5
Published
2022-04-14 19:56
Modified
2025-04-15 19:07
Severity ?
10.0 (Critical) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE
  • CWE-122 - Heap-based Buffer Overflow
Summary
A heap-based buffer overflow vulnerability exists in the sphere.c start_read() functionality of Sound Exchange libsox 14.4.2 and master commit 42b3557e. A specially-crafted file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.
References
Impacted products
Vendor Product Version
Sound Exchange libsox Version: 14.4.2
Version: master commit 42b3557e
 Create a notification for this product.
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T02:44:10.379Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1434"
          },
          {
            "name": "[oss-security] 20230203 sox: patches for old vulnerabilities",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2023/02/03/3"
          },
          {
            "name": "[debian-lts-announce] 20230210 [SECURITY] [DLA 3315-1] sox security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2023/02/msg00009.html"
          },
          {
            "name": "DSA-5356",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2023/dsa-5356"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-40426",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-15T18:20:26.178512Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-15T19:07:04.751Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "libsox",
          "vendor": "Sound Exchange",
          "versions": [
            {
              "status": "affected",
              "version": "14.4.2"
            },
            {
              "status": "affected",
              "version": "master commit 42b3557e"
            }
          ]
        }
      ],
      "datePublic": "2022-03-23T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "A heap-based buffer overflow vulnerability exists in the sphere.c start_read() functionality of Sound Exchange libsox 14.4.2 and master commit 42b3557e. A specially-crafted file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 10,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-122",
              "description": "CWE-122: Heap-based Buffer Overflow",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-02-22T00:00:00.000Z",
        "orgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
        "shortName": "talos"
      },
      "references": [
        {
          "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1434"
        },
        {
          "name": "[oss-security] 20230203 sox: patches for old vulnerabilities",
          "tags": [
            "mailing-list"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2023/02/03/3"
        },
        {
          "name": "[debian-lts-announce] 20230210 [SECURITY] [DLA 3315-1] sox security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2023/02/msg00009.html"
        },
        {
          "name": "DSA-5356",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.debian.org/security/2023/dsa-5356"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
    "assignerShortName": "talos",
    "cveId": "CVE-2021-40426",
    "datePublished": "2022-04-14T19:56:21.568Z",
    "dateReserved": "2021-09-01T00:00:00.000Z",
    "dateUpdated": "2025-04-15T19:07:04.751Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-40426\",\"sourceIdentifier\":\"talos-cna@cisco.com\",\"published\":\"2022-04-14T20:15:09.110\",\"lastModified\":\"2025-06-24T19:34:47.390\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A heap-based buffer overflow vulnerability exists in the sphere.c start_read() functionality of Sound Exchange libsox 14.4.2 and master commit 42b3557e. A specially-crafted file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.\"},{\"lang\":\"es\",\"value\":\"Se presenta una vulnerabilidad de desbordamiento de b\u00fafer en la regi\u00f3n heap de la memoria en la funcionalidad sphere.c start_read() de Sound Exchange libsox versi\u00f3n 14.4.2 y el commit maestro 42b3557e. Un archivo especialmente dise\u00f1ado puede conllevar a un desbordamiento del b\u00fafer de la pila. Un atacante puede proporcionar un archivo malicioso para desencadenar esta vulnerabilidad\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.9}],\"cvssMetricV30\":[{\"source\":\"talos-cna@cisco.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H\",\"baseScore\":10.0,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":6.0}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:P/I:P/A:P\",\"baseScore\":6.8,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"talos-cna@cisco.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-122\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-787\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sound_exchange_project:sound_exchange:14.4.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C99FA8E2-5333-47D1-AC0D-5C3FF7DF8D75\"}]}]}],\"references\":[{\"url\":\"http://www.openwall.com/lists/oss-security/2023/02/03/3\",\"source\":\"talos-cna@cisco.com\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2023/02/msg00009.html\",\"source\":\"talos-cna@cisco.com\"},{\"url\":\"https://talosintelligence.com/vulnerability_reports/TALOS-2021-1434\",\"source\":\"talos-cna@cisco.com\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://www.debian.org/security/2023/dsa-5356\",\"source\":\"talos-cna@cisco.com\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2023/02/03/3\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2023/02/msg00009.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://talosintelligence.com/vulnerability_reports/TALOS-2021-1434\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://www.debian.org/security/2023/dsa-5356\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "vulnrichment": {
      "containers": "{\"cna\": {\"datePublic\": \"2022-03-23T00:00:00.000Z\", \"providerMetadata\": {\"orgId\": \"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b\", \"shortName\": \"talos\", \"dateUpdated\": \"2023-02-22T00:00:00.000Z\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"A heap-based buffer overflow vulnerability exists in the sphere.c start_read() functionality of Sound Exchange libsox 14.4.2 and master commit 42b3557e. A specially-crafted file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.\"}], \"affected\": [{\"vendor\": \"Sound Exchange\", \"product\": \"libsox\", \"versions\": [{\"version\": \"14.4.2\", \"status\": \"affected\"}, {\"version\": \"master commit 42b3557e\", \"status\": \"affected\"}]}], \"references\": [{\"url\": \"https://talosintelligence.com/vulnerability_reports/TALOS-2021-1434\"}, {\"name\": \"[oss-security] 20230203 sox: patches for old vulnerabilities\", \"tags\": [\"mailing-list\"], \"url\": \"http://www.openwall.com/lists/oss-security/2023/02/03/3\"}, {\"name\": \"[debian-lts-announce] 20230210 [SECURITY] [DLA 3315-1] sox security update\", \"tags\": [\"mailing-list\"], \"url\": \"https://lists.debian.org/debian-lts-announce/2023/02/msg00009.html\"}, {\"name\": \"DSA-5356\", \"tags\": [\"vendor-advisory\"], \"url\": \"https://www.debian.org/security/2023/dsa-5356\"}], \"metrics\": [{\"cvssV3_0\": {\"version\": \"3.0\", \"vectorString\": \"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"CHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\", \"baseScore\": 10, \"baseSeverity\": \"CRITICAL\"}}], \"problemTypes\": [{\"descriptions\": [{\"type\": \"CWE\", \"lang\": \"en\", \"description\": \"CWE-122: Heap-based Buffer Overflow\", \"cweId\": \"CWE-122\"}]}]}, \"adp\": [{\"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-04T02:44:10.379Z\"}, \"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://talosintelligence.com/vulnerability_reports/TALOS-2021-1434\", \"tags\": [\"x_transferred\"]}, {\"name\": \"[oss-security] 20230203 sox: patches for old vulnerabilities\", \"tags\": [\"mailing-list\", \"x_transferred\"], \"url\": \"http://www.openwall.com/lists/oss-security/2023/02/03/3\"}, {\"name\": \"[debian-lts-announce] 20230210 [SECURITY] [DLA 3315-1] sox security update\", \"tags\": [\"mailing-list\", \"x_transferred\"], \"url\": \"https://lists.debian.org/debian-lts-announce/2023/02/msg00009.html\"}, {\"name\": \"DSA-5356\", \"tags\": [\"vendor-advisory\", \"x_transferred\"], \"url\": \"https://www.debian.org/security/2023/dsa-5356\"}]}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2021-40426\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-04-15T18:20:26.178512Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-04-15T18:20:27.900Z\"}}]}",
      "cveMetadata": "{\"state\": \"PUBLISHED\", \"cveId\": \"CVE-2021-40426\", \"assignerOrgId\": \"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b\", \"assignerShortName\": \"talos\", \"dateUpdated\": \"2025-04-15T19:07:04.751Z\", \"dateReserved\": \"2021-09-01T00:00:00.000Z\", \"datePublished\": \"2022-04-14T19:56:21.568Z\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.