github - ghsa-cw99-3f5p-3g72

GHSA-CW99-3F5P-3G72

Vulnerability from github – Published: 2022-05-24 19:16 – Updated: 2022-05-24 19:16

Details

Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a Null pointer dereference vulnerability. An authenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-39853"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-09-29T16:15:00Z",
    "severity": "MODERATE"
  },
  "details": "Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a Null pointer dereference vulnerability. An authenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.",
  "id": "GHSA-cw99-3f5p-3g72",
  "modified": "2022-05-24T19:16:05Z",
  "published": "2022-05-24T19:16:05Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-39853"
    },
    {
      "type": "WEB",
      "url": "https://helpx.adobe.com/security/products/acrobat/apsb21-55.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2021-39853 (GCVE-0-2021-39853)

Vulnerability from cvelistv5 – Published: 2021-09-29 15:38 – Updated: 2024-09-17 02:26

Summary

Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a Null pointer dereference vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Severity ?

5.5 (Medium)


                        
                          CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE

CWE-476 - NULL Pointer Dereference (CWE-476)

Assigner

adobe

References

URL

Tags

https://helpx.adobe.com/security/products/acrobat…

x_refsource_MISC

Impacted products

	Vendor	Product	Version
	Adobe	Acrobat Reader	Affected: unspecified , ≤ DC 2021 July (custom) Affected: unspecified , ≤ 20.0-Classic 2021 July (custom) Affected: unspecified , ≤ 17.0-Classic 2021 July (custom) Affected: unspecified , ≤ None (custom)

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T02:20:33.643Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://helpx.adobe.com/security/products/acrobat/apsb21-55.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Acrobat Reader",
          "vendor": "Adobe",
          "versions": [
            {
              "lessThanOrEqual": "DC 2021 July",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "20.0-Classic 2021 July",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "17.0-Classic 2021 July",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "None",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "datePublic": "2021-09-14T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a Null pointer dereference vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
            "version": "3.0"
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      "problemTypes": [
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          "descriptions": [
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              "cweId": "CWE-476",
              "description": "NULL Pointer Dereference (CWE-476)",
              "lang": "en",
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      ],
      "providerMetadata": {
        "dateUpdated": "2021-10-06T15:25:50",
        "orgId": "078d4453-3bcd-4900-85e6-15281da43538",
        "shortName": "adobe"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://helpx.adobe.com/security/products/acrobat/apsb21-55.html"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Adobe Acrobat Reader DC Null Pointer Dereference Could Lead To Application Denial-of-Service",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@adobe.com",
          "DATE_PUBLIC": "2021-09-14T23:00:00.000Z",
          "ID": "CVE-2021-39853",
          "STATE": "PUBLIC",
          "TITLE": "Adobe Acrobat Reader DC Null Pointer Dereference Could Lead To Application Denial-of-Service"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
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                      "product_name": "Acrobat Reader",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c=",
                            "version_value": "DC 2021 July"
                          },
                          {
                            "version_affected": "\u003c=",
                            "version_value": "20.0-Classic 2021 July"
                          },
                          {
                            "version_affected": "\u003c=",
                            "version_value": "17.0-Classic 2021 July"
                          },
                          {
                            "version_affected": "\u003c=",
                            "version_value": "None"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Adobe"
              }
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          }
        },
        "data_format": "MITRE",
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        "data_version": "4.0",
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              "value": "Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a Null pointer dereference vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file."
            }
          ]
        },
        "impact": {
          "cvss": {
            "attackComplexity": "Low",
            "attackVector": "Local",
            "availabilityImpact": "High",
            "baseScore": 5.5,
            "baseSeverity": "Medium",
            "confidentialityImpact": "None",
            "integrityImpact": "None",
            "privilegesRequired": "None",
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              "refsource": "MISC",
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        },
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    "assignerShortName": "adobe",
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    "dateReserved": "2021-08-23T00:00:00",
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    "state": "PUBLISHED"
  },
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  "dataVersion": "5.1"
}

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.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-CW99-3F5P-3G72

CVE-2021-39853 (GCVE-0-2021-39853)

Tags

Sightings

Nomenclature