CVE-2021-21138

Use after free in DevTools in Google Chrome prior to 88.0.4324.96 allowed a local attacker to potentially perform a sandbox escape via a crafted file.

CVSS v3 8.6 HIGH
CVSS v2.0 6.8 MEDIUM

8.6^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 6.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

6.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html	Release Notes Vendor Advisory
https://crbug.com/1122487	Permissions Required Third Party Advisory
https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html	Release Notes Vendor Advisory
https://crbug.com/1122487	Permissions Required Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

History

21 Nov 2024, 05:47

Type	Values Removed	Values Added
References	~~() https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html - Release Notes, Vendor Advisory~~	() https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html - Release Notes, Vendor Advisory
References	~~() https://crbug.com/1122487 - Permissions Required, Third Party Advisory~~	() https://crbug.com/1122487 - Permissions Required, Third Party Advisory

Information

Published : 2021-02-09 14:15

Updated : 2024-11-21 05:47

NVD link : CVE-2021-21138

Mitre link : CVE-2021-21138

CVE.ORG link : CVE-2021-21138

JSON object : View

Products Affected

google

chrome

CWE

CWE-416

Use After Free

{"id": "CVE-2021-21138", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.6, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 1.8}]}, "published": "2021-02-09T14:15:16.797", "references": [{"url": "https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html", "tags": ["Release Notes", "Vendor Advisory"], "source": "chrome-cve-admin@google.com"}, {"url": "https://crbug.com/1122487", "tags": ["Permissions Required", "Third Party Advisory"], "source": "chrome-cve-admin@google.com"}, {"url": "https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html", "tags": ["Release Notes", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://crbug.com/1122487", "tags": ["Permissions Required", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "Use after free in DevTools in Google Chrome prior to 88.0.4324.96 allowed a local attacker to potentially perform a sandbox escape via a crafted file."}, {"lang": "es", "value": "Un uso de la memoria previamente liberada en DevTools en Google Chrome versiones anteriores a 88.0.4324.96, permit\u00eda a un atacante local llevar a cabo potencialmente un escape del sandbox por medio de un archivo dise\u00f1ado"}], "lastModified": "2024-11-21T05:47:38.463", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "565ED6B8-8F41-4E79-A280-33CB321E607F", "versionEndExcluding": "88.0.4324.96"}], "operator": "OR"}]}], "sourceIdentifier": "chrome-cve-admin@google.com"}