Vulnerability-Lookup

GHSA-8PC7-J27M-5M6C

Vulnerability from github – Published: 2023-07-19 15:30 – Updated: 2024-04-04 06:17

Details

A use-after-free vulnerability exists in the way Foxit Reader 12.1.2.15332 handles destroying annotations. A specially-crafted Javascript code inside a malicious PDF document can trigger reuse of a previously freed object which can lead to memory corruption and result in arbitrary code execution. A specially-crafted Javascript code inside a malicious PDF document can cause memory corruption and lead to remote code execution. Exploitation is also possible if a user visits a specially-crafted, malicious site if the browser plugin extension is enabled.

Severity ?

8.8 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2023-33876"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-07-19T14:15:10Z",
    "severity": "HIGH"
  },
  "details": "A use-after-free vulnerability exists in the way Foxit Reader 12.1.2.15332 handles destroying annotations. A specially-crafted Javascript code inside a malicious PDF document can trigger reuse of a previously freed object which can lead to memory corruption and result in arbitrary code execution. A specially-crafted Javascript code inside a malicious PDF document can cause memory corruption and lead to remote code execution. Exploitation is also possible if a user visits a specially-crafted, malicious site if the browser plugin extension is enabled.",
  "id": "GHSA-8pc7-j27m-5m6c",
  "modified": "2024-04-04T06:17:00Z",
  "published": "2023-07-19T15:30:26Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-33876"
    },
    {
      "type": "WEB",
      "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1796"
    },
    {
      "type": "WEB",
      "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1796"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2023-33876 (GCVE-0-2023-33876)

Vulnerability from cvelistv5 – Published: 2023-07-19 13:16 – Updated: 2025-11-04 19:16

Summary

A use-after-free vulnerability exists in the way Foxit Reader 12.1.2.15332 handles destroying annotations. Specially crafted Javascript code inside a malicious PDF document can trigger reuse of a previously freed object, which can lead to memory corruption and result in arbitrary code execution. An attacker needs to trick the user into opening the malicious file to trigger this vulnerability. Exploitation is also possible if a user visits a specially crafted, malicious site if the browser plugin extension is enabled.

Severity ?

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE

CWE-416 - Use After Free

Assigner

talos

References

URL

Tags

https://talosintelligence.com/vulnerability_repor…

Impacted products

	Vendor	Product	Version
	Foxit	Foxit Reader	Affected: 12.1.2.15332

Credits

Discovered by Kamlapati Choubey and Aleksandar Nikolic of Cisco Talos.

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-04T19:16:30.121Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1796",
            "tags": [
              "x_transferred"
            ],
            "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1796"
          },
          {
            "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1796"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-33876",
                "options": [
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                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-10-28T14:48:11.558768Z",
                "version": "2.0.3"
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        "providerMetadata": {
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          "shortName": "CISA-ADP"
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    ],
    "cna": {
      "affected": [
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          "vendor": "Foxit",
          "versions": [
            {
              "status": "affected",
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        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
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            "baseScore": 8.8,
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            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
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  "cveMetadata": {
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    "datePublished": "2023-07-19T13:16:36.125Z",
    "dateReserved": "2023-06-27T19:26:15.295Z",
    "dateUpdated": "2025-11-04T19:16:30.121Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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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-8PC7-J27M-5M6C

CVE-2023-33876 (GCVE-0-2023-33876)

Tags

Sightings

Nomenclature