FKIE_CVE-2021-33796

Vulnerability from fkie_nvd - Published: 2023-07-07 18:15 - Updated: 2024-11-21 06:09
Severity ?
10.0 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
In MuJS before version 1.1.2, a use-after-free flaw in the regexp source property access may cause denial of service.
References
patrick@puiterwijk.orghttps://github.com/ccxvii/mujs/commit/7ef066a3bb95bf83e7c5be50d859e62e58fe8515Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/ccxvii/mujs/commit/7ef066a3bb95bf83e7c5be50d859e62e58fe8515Patch
Impacted products
Vendor Product Version
artifex mujs *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:artifex:mujs:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "81684136-544E-49E9-94B6-1C758DFE16E4",
              "versionEndExcluding": "1.1.2",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In MuJS before version 1.1.2, a use-after-free flaw in the regexp source property access may cause denial of service.\n\n"
    }
  ],
  "id": "CVE-2021-33796",
  "lastModified": "2024-11-21T06:09:36.133",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 10.0,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.0,
        "source": "patrick@puiterwijk.org",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
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        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
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  },
  "published": "2023-07-07T18:15:09.430",
  "references": [
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      "source": "patrick@puiterwijk.org",
      "tags": [
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      "url": "https://github.com/ccxvii/mujs/commit/7ef066a3bb95bf83e7c5be50d859e62e58fe8515"
    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://github.com/ccxvii/mujs/commit/7ef066a3bb95bf83e7c5be50d859e62e58fe8515"
    }
  ],
  "sourceIdentifier": "patrick@puiterwijk.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "patrick@puiterwijk.org",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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  • 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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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