CVE-2021-26271

It was possible to execute a ReDoS-type attack inside CKEditor 4 before 4.16 by persuading a victim to paste crafted text into the Styles input of specific dialogs (in the Advanced Tab for Dialogs plugin).

CVSS v3 6.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:N/I:N/A:P

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://ckeditor.com/blog/CKEditor-4.16-with-improved-image-pasting-High-Contrast-support-and-a-new-color-API/#security-comes-first	Vendor Advisory
https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-416	Release Notes Third Party Advisory
https://www.oracle.com//security-alerts/cpujul2021.html	Patch Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.html	Patch Third Party Advisory
https://ckeditor.com/blog/CKEditor-4.16-with-improved-image-pasting-High-Contrast-support-and-a-new-color-API/#security-comes-first	Vendor Advisory
https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-416	Release Notes Third Party Advisory
https://www.oracle.com//security-alerts/cpujul2021.html	Patch Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.html	Patch Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:ckeditor:ckeditor:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:a:oracle:agile_plm:9.3.5:::::::*
	cpe:2.3:a:oracle:agile_plm:9.3.6:::::::*
	cpe:2.3:a:oracle:application_express::::::::
	cpe:2.3:a:oracle:financial_services_analytical_applications_infrastructure::::::::
	cpe:2.3:a:oracle:financial_services_analytical_applications_infrastructure:8.1.0:::::::*
	cpe:2.3:a:oracle:financial_services_analytical_applications_infrastructure:8.1.1:::::::*
	cpe:2.3:a:oracle:jd_edwards_enterpriseone_tools::::::::
	cpe:2.3:a:oracle:siebel_ui_framework::::::::
	cpe:2.3:a:oracle:webcenter_sites:12.2.1.3.0:::::::*
	cpe:2.3:a:oracle:webcenter_sites:12.2.1.4.0:::::::*

History

21 Nov 2024, 05:56

Type	Values Removed	Values Added
References	~~() https://ckeditor.com/blog/CKEditor-4.16-with-improved-image-pasting-High-Contrast-support-and-a-new-color-API/#security-comes-first - Vendor Advisory~~	() https://ckeditor.com/blog/CKEditor-4.16-with-improved-image-pasting-High-Contrast-support-and-a-new-color-API/#security-comes-first - Vendor Advisory
References	~~() https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-416 - Release Notes, Third Party Advisory~~	() https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-416 - Release Notes, Third Party Advisory
References	~~() https://www.oracle.com//security-alerts/cpujul2021.html - Patch, Third Party Advisory~~	() https://www.oracle.com//security-alerts/cpujul2021.html - Patch, Third Party Advisory
References	~~() https://www.oracle.com/security-alerts/cpuoct2021.html - Patch, Third Party Advisory~~	() https://www.oracle.com/security-alerts/cpuoct2021.html - Patch, Third Party Advisory

Information

Published : 2021-01-26 21:15

Updated : 2024-11-21 05:56

NVD link : CVE-2021-26271

Mitre link : CVE-2021-26271

CVE.ORG link : CVE-2021-26271

JSON object : View

Products Affected

oracle

jd_edwards_enterpriseone_tools
webcenter_sites
siebel_ui_framework
agile_plm
financial_services_analytical_applications_infrastructure
application_express

ckeditor

ckeditor

CWE

CWE-829

Inclusion of Functionality from Untrusted Control Sphere

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"confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "published": "2021-01-26T21:15:12.860", "references": [{"url": "https://ckeditor.com/blog/CKEditor-4.16-with-improved-image-pasting-High-Contrast-support-and-a-new-color-API/#security-comes-first", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-416", "tags": ["Release Notes", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.oracle.com//security-alerts/cpujul2021.html", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.oracle.com/security-alerts/cpuoct2021.html", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://ckeditor.com/blog/CKEditor-4.16-with-improved-image-pasting-High-Contrast-support-and-a-new-color-API/#security-comes-first", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-416", "tags": ["Release Notes", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.oracle.com//security-alerts/cpujul2021.html", "tags": ["Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.oracle.com/security-alerts/cpuoct2021.html", "tags": ["Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-829"}]}], "descriptions": [{"lang": "en", "value": "It was possible to execute a ReDoS-type attack inside CKEditor 4 before 4.16 by persuading a victim to paste crafted text into the Styles input of specific dialogs (in the Advanced Tab for Dialogs plugin)."}, {"lang": "es", "value": "Era posible ejecutar un ataque de tipo ReDoS dentro de CKEditor 4 versiones anteriores a 4.16, al persuadir a una v\u00edctima para pegar un texto dise\u00f1ado en la entrada Styles de cuadros de di\u00e1logo espec\u00edficos (en la pesta\u00f1a Advanced para el plugin Dialogs)"}], "lastModified": "2024-11-21T05:56:00.720", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:ckeditor:ckeditor:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4C5F969A-06A2-4D84-B7DF-1CE68E285C0F", "versionEndExcluding": "4.16", "versionStartIncluding": "4.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:oracle:agile_plm:9.3.5:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "ED43772F-D280-42F6-A292-7198284D6FE7"}, {"criteria": "cpe:2.3:a:oracle:agile_plm:9.3.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C650FEDB-E903-4C2D-AD40-282AB5F2E3C2"}, {"criteria": "cpe:2.3:a:oracle:application_express:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6B4D758F-EABD-498C-9C9E-C3F35927F7DC", "versionEndExcluding": "21.1.0"}, {"criteria": "cpe:2.3:a:oracle:financial_services_analytical_applications_infrastructure:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "40F940AA-05BE-426C-89A3-4098E107D9A7", "versionEndIncluding": "8.0.9", "versionStartIncluding": "8.0.6"}, {"criteria": "cpe:2.3:a:oracle:financial_services_analytical_applications_infrastructure:8.1.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6FB8AE1F-FA6B-4A5E-AA5B-D0B7C78FE886"}, {"criteria": "cpe:2.3:a:oracle:financial_services_analytical_applications_infrastructure:8.1.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "41C2C67B-BF55-4B48-A94D-1F37A4FAC68C"}, {"criteria": "cpe:2.3:a:oracle:jd_edwards_enterpriseone_tools:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "86305E47-33E9-411C-B932-08C395C09982", "versionEndExcluding": "9.2.6.0"}, {"criteria": "cpe:2.3:a:oracle:siebel_ui_framework:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D2B15024-E757-443B-8424-BBF0A28C3753", "versionEndExcluding": "21.9"}, {"criteria": "cpe:2.3:a:oracle:webcenter_sites:12.2.1.3.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D551CAB1-4312-44AA-BDA8-A030817E153A"}, {"criteria": "cpe:2.3:a:oracle:webcenter_sites:12.2.1.4.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "174A6D2E-E42E-4C92-A194-C6A820CD7EF4"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}

6.5 /10

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3 /10

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

JSON object

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6.5^/10

4.3^/10

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