CVE-2021-33642 (GCVE-0-2021-33642)

Vulnerability from cvelistv5 – Published: 2023-01-20 00:00 – Updated: 2025-04-02 14:47
VLAI?
Summary
When a file is processed, an infinite loop occurs in next_inline() of the more_curly() function.
CWE
Assigner
Impacted products
Vendor Product Version
n/a byacc Affected: <1.9.20200330 and <2.0.20210808
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T23:58:21.558Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://gitee.com/src-openeuler/byacc/commit/50225f48c6b53e9d7c936681a06682404cb8ec4d"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 5.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2021-33642",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-02T14:45:29.359598Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-02T14:47:37.730Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "byacc",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c1.9.20200330 and \u003c2.0.20210808"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "When a file is processed, an infinite loop occurs in next_inline() of the more_curly() function."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-835",
              "description": "CWE-835 : infinite loop",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-01-20T00:00:00.000Z",
        "orgId": "7e1ac599-2767-43fa-b3ea-f10178cc98f2",
        "shortName": "openEuler"
      },
      "references": [
        {
          "url": "https://gitee.com/src-openeuler/byacc/commit/50225f48c6b53e9d7c936681a06682404cb8ec4d"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "7e1ac599-2767-43fa-b3ea-f10178cc98f2",
    "assignerShortName": "openEuler",
    "cveId": "CVE-2021-33642",
    "datePublished": "2023-01-20T00:00:00.000Z",
    "dateReserved": "2021-05-28T00:00:00.000Z",
    "dateUpdated": "2025-04-02T14:47:37.730Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:openeuler:byacc:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"1.9.20200330\", \"matchCriteriaId\": \"C2399FF0-CD0D-4170-B923-1F3F7236B081\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:openeuler:byacc:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"2.0\", \"versionEndExcluding\": \"2.0.20210808\", \"matchCriteriaId\": \"C944FA70-29B9-4A7B-B811-105C327BC3D6\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"When a file is processed, an infinite loop occurs in next_inline() of the more_curly() function.\"}, {\"lang\": \"es\", \"value\": \"Cuando se procesa un archivo, se produce un bucle infinito en next_inline() de la funci\\u00f3n more_curly().\"}]",
      "id": "CVE-2021-33642",
      "lastModified": "2024-11-21T06:09:15.707",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H\", \"baseScore\": 5.5, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"REQUIRED\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 3.6}]}",
      "published": "2023-01-20T21:15:11.043",
      "references": "[{\"url\": \"https://gitee.com/src-openeuler/byacc/commit/50225f48c6b53e9d7c936681a06682404cb8ec4d\", \"source\": \"securities@openeuler.org\", \"tags\": [\"Permissions Required\", \"Third Party Advisory\"]}, {\"url\": \"https://gitee.com/src-openeuler/byacc/commit/50225f48c6b53e9d7c936681a06682404cb8ec4d\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Permissions Required\", \"Third Party Advisory\"]}]",
      "sourceIdentifier": "securities@openeuler.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"securities@openeuler.org\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-835\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-835\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-33642\",\"sourceIdentifier\":\"securities@openeuler.org\",\"published\":\"2023-01-20T21:15:11.043\",\"lastModified\":\"2025-04-02T15:15:41.500\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"When a file is processed, an infinite loop occurs in next_inline() of the more_curly() function.\"},{\"lang\":\"es\",\"value\":\"Cuando se procesa un archivo, se produce un bucle infinito en next_inline() de la funci\u00f3n more_curly().\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"securities@openeuler.org\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-835\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-835\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openeuler:byacc:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"1.9.20200330\",\"matchCriteriaId\":\"C2399FF0-CD0D-4170-B923-1F3F7236B081\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openeuler:byacc:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.0\",\"versionEndExcluding\":\"2.0.20210808\",\"matchCriteriaId\":\"C944FA70-29B9-4A7B-B811-105C327BC3D6\"}]}]}],\"references\":[{\"url\":\"https://gitee.com/src-openeuler/byacc/commit/50225f48c6b53e9d7c936681a06682404cb8ec4d\",\"source\":\"securities@openeuler.org\",\"tags\":[\"Permissions Required\",\"Third Party Advisory\"]},{\"url\":\"https://gitee.com/src-openeuler/byacc/commit/50225f48c6b53e9d7c936681a06682404cb8ec4d\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Permissions Required\",\"Third Party Advisory\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://gitee.com/src-openeuler/byacc/commit/50225f48c6b53e9d7c936681a06682404cb8ec4d\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-03T23:58:21.558Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.5, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"REQUIRED\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2021-33642\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-04-02T14:45:29.359598Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-04-02T14:45:51.551Z\"}}], \"cna\": {\"affected\": [{\"vendor\": \"n/a\", \"product\": \"byacc\", \"versions\": [{\"status\": \"affected\", \"version\": \"\u003c1.9.20200330 and \u003c2.0.20210808\"}]}], \"references\": [{\"url\": \"https://gitee.com/src-openeuler/byacc/commit/50225f48c6b53e9d7c936681a06682404cb8ec4d\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"When a file is processed, an infinite loop occurs in next_inline() of the more_curly() function.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-835\", \"description\": \"CWE-835 : infinite loop\"}]}], \"providerMetadata\": {\"orgId\": \"7e1ac599-2767-43fa-b3ea-f10178cc98f2\", \"shortName\": \"openEuler\", \"dateUpdated\": \"2023-01-20T00:00:00.000Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2021-33642\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-04-02T14:47:37.730Z\", \"dateReserved\": \"2021-05-28T00:00:00.000Z\", \"assignerOrgId\": \"7e1ac599-2767-43fa-b3ea-f10178cc98f2\", \"datePublished\": \"2023-01-20T00:00:00.000Z\", \"assignerShortName\": \"openEuler\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.


Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…