cve-2021-21057
Vulnerability from cvelistv5
Published
2021-02-11 19:42
Modified
2024-09-17 02:06
Severity ?
EPSS score ?
Summary
Acrobat Reader DC Invalid Memory Read Due To An Uninitialized Pointer
References
▼ | URL | Tags | |
---|---|---|---|
psirt@adobe.com | https://helpx.adobe.com/security/products/acrobat/apsb21-09.html | Vendor Advisory |
Impacted products
▼ | Vendor | Product |
---|---|---|
Adobe | Acrobat Reader |
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An unauthenticated attacker could leverage this vulnerability to achieve 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_1": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-476", "description": "NULL Pointer Dereference (CWE-476)", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2021-02-11T19:42:20", "orgId": "078d4453-3bcd-4900-85e6-15281da43538", "shortName": "adobe" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://helpx.adobe.com/security/products/acrobat/apsb21-09.html" } ], "source": { "discovery": "EXTERNAL" }, "title": "Acrobat Reader DC Invalid Memory Read Due To An Uninitialized Pointer", "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "psirt@adobe.com", "DATE_PUBLIC": "2021-02-09T23:00:00.000Z", "ID": "CVE-2021-21057", "STATE": "PUBLIC", "TITLE": "Acrobat Reader DC Invalid Memory Read Due To An Uninitialized Pointer" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Acrobat Reader", "version": { "version_data": [ { "version_affected": "\u003c=", "version_value": "2020.013.20074" }, { "version_affected": "\u003c=", "version_value": "2020.001.30018" }, { "version_affected": "\u003c=", "version_value": "2017.011.30188" }, { "version_affected": "\u003c=", "version_value": "None" } ] } } ] }, "vendor_name": "Adobe" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a null pointer dereference vulnerability when parsing a specially crafted PDF file. An unauthenticated attacker could leverage this vulnerability to achieve 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": "None", "attackVector": "None", "availabilityImpact": "None", "baseScore": 6.6, "baseSeverity": "Medium", "confidentialityImpact": "None", "integrityImpact": "None", "privilegesRequired": "None", "scope": "None", "userInteraction": "None", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "NULL Pointer Dereference (CWE-476)" } ] } ] }, "references": { "reference_data": [ { "name": "https://helpx.adobe.com/security/products/acrobat/apsb21-09.html", "refsource": "MISC", "url": "https://helpx.adobe.com/security/products/acrobat/apsb21-09.html" } ] }, "source": { "discovery": "EXTERNAL" } } } }, "cveMetadata": { "assignerOrgId": "078d4453-3bcd-4900-85e6-15281da43538", "assignerShortName": "adobe", "cveId": "CVE-2021-21057", "datePublished": "2021-02-11T19:42:20.751736Z", "dateReserved": "2020-12-18T00:00:00", "dateUpdated": "2024-09-17T02:06:56.385Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2021-21057\",\"sourceIdentifier\":\"psirt@adobe.com\",\"published\":\"2021-02-11T20:15:15.873\",\"lastModified\":\"2021-09-08T17:23:00.620\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a null pointer dereference vulnerability when parsing a specially crafted PDF file. 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Exploitation of this issue requires user interaction in that a victim must open a malicious file.\"},{\"lang\":\"es\",\"value\":\"Acrobat Reader DC versiones 2020.013.20074 (y anteriores), versiones 2020.001.30018 (y anteriores) y versiones 2017.011.30188 (y anteriores), est\u00e1n afectadas por una vulnerabilidad de desreferencia del puntero null cuando analiza un archivo PDF especialmente dise\u00f1ado.\u0026#xa0;Un atacante no autenticado podr\u00eda aprovechar esta vulnerabilidad para lograr la denegaci\u00f3n de servicio en el contexto del usuario actual.\u0026#xa0;Una explotaci\u00f3n de este problema requiere una interacci\u00f3n del usuario, ya que la v\u00edctima debe abrir un archivo malicioso\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"psirt@adobe.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"HIGH\",\"baseScore\":6.6,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.8,\"impactScore\":4.7}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:N/I:N/A:P\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\",\"baseScore\":4.3},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"psirt@adobe.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*\",\"versionStartIncluding\":\"17.0\",\"versionEndIncluding\":\"17.011.30188\",\"matchCriteriaId\":\"CC23AA00-FC0B-4CA7-83CF-D11CB679630C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*\",\"versionStartIncluding\":\"20.0\",\"versionEndIncluding\":\"20.001.30018\",\"matchCriteriaId\":\"2B0D84BC-88D8-4B29-BF4C-DE3D27D0EFF3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*\",\"versionEndIncluding\":\"20.013.20074\",\"matchCriteriaId\":\"BAA2B3BC-EA31-445B-9D6F-1A3D86030F98\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*\",\"versionStartIncluding\":\"17.0\",\"versionEndIncluding\":\"17.011.30188\",\"matchCriteriaId\":\"33305687-D4B1-4A48-B6B3-0619038243BF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*\",\"versionStartIncluding\":\"20.0\",\"versionEndIncluding\":\"20.001.300183\",\"matchCriteriaId\":\"4B989379-B8B7-4FA7-9319-F0FB8CA2253C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*\",\"versionEndIncluding\":\"20.013.20074\",\"matchCriteriaId\":\"E5BC145F-0696-4B2F-AEC5-4FDB25E8EA6E\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"387021A0-AF36-463C-A605-32EA7DAC172E\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A2572D17-1DE6-457B-99CC-64AFD54487EA\"}]}]}],\"references\":[{\"url\":\"https://helpx.adobe.com/security/products/acrobat/apsb21-09.html\",\"source\":\"psirt@adobe.com\",\"tags\":[\"Vendor Advisory\"]}]}}" } }
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Sightings
Author | Source | Type | Date |
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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.