CVE-2021-33796 - Vulnerability Details - OpenCVE

Description

In MuJS before version 1.1.2, a use-after-free flaw in the regexp source property access may cause denial of service.

Published: 2023-07-07

Score: 10 Critical

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

MuJS

MuJS

unaffected

Version	Status	Constraints
`1.1.1`	affected	≤ all

Configuration 1 [-]

cpe:2.3:a:artifex:mujs:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-20473	In MuJS before version 1.1.2, a use-after-free flaw in the regexp source property access may cause denial of service.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00119.

Exploitation none

Automatable yes

Technical Impact total

References

Link	Providers
https://github.com/ccxvii/mujs/commit/7ef066a3bb95bf83e7c5be50d859e62e58fe8515

History

Tue, 12 Nov 2024 20:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Subscriptions

Artifex Mujs

MITRE

Status: PUBLISHED

Assigner: fedora

Published: 2023-07-07T17:55:00.630Z

Updated: 2024-11-12T19:49:00.304Z

Reserved: 2021-06-02T17:24:42.913Z

Link: CVE-2021-33796

Vulnrichment

Updated: 2024-08-03T23:58:23.071Z

NVD

Status : Modified

Published: 2023-07-07T18:15:09.430

Modified: 2024-11-21T06:09:36.133

Link: CVE-2021-33796

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-416

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2021-33796", "assignerOrgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5", "state": "PUBLISHED", "assignerShortName": "fedora", "dateReserved": "2021-06-02T17:24:42.913Z", "datePublished": "2023-07-07T17:55:00.630Z", "dateUpdated": "2024-11-12T19:49:00.304Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5", "shortName": "fedora", "dateUpdated": "2023-07-07T17:55:00.630Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-416", "description": "CWE-416 Use After Free", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-131", "descriptions": [{"lang": "en", "value": "CAPEC-131 Resource Leak Exposure"}]}], "affected": [{"vendor": "MuJS", "product": "MuJS", "versions": [{"status": "affected", "version": "1.1.1", "lessThanOrEqual": "all", "versionType": "rpm"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "In MuJS before version 1.1.2, a use-after-free flaw in the regexp source property access may cause denial of service.\n\n", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<pre>In MuJS before version 1.1.2, a use-after-free flaw in the regexp source property access may cause denial of service.</pre>"}]}], "references": [{"url": "https://github.com/ccxvii/mujs/commit/7ef066a3bb95bf83e7c5be50d859e62e58fe8515"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "CRITICAL", "baseScore": 10, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T23:58:23.071Z"}, "title": "CVE Program Container", "references": [{"url": "https://github.com/ccxvii/mujs/commit/7ef066a3bb95bf83e7c5be50d859e62e58fe8515", "tags": ["x_transferred"]}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-11-12T19:48:43.732741Z", "id": "CVE-2021-33796", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-11-12T19:49:00.304Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://github.com/ccxvii/mujs/commit/7ef066a3bb95bf83e7c5be50d859e62e58fe8515", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T23:58:23.071Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-33796", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2024-11-12T19:48:43.732741Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-11-12T19:48:55.138Z"}}], "cna": {"source": {"discovery": "UNKNOWN"}, "impacts": [{"capecId": "CAPEC-131", "descriptions": [{"lang": "en", "value": "CAPEC-131 Resource Leak Exposure"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 10, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "MuJS", "product": "MuJS", "versions": [{"status": "affected", "version": "1.1.1", "versionType": "rpm", "lessThanOrEqual": "all"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://github.com/ccxvii/mujs/commit/7ef066a3bb95bf83e7c5be50d859e62e58fe8515"}], "x_generator": {"engine": "Vulnogram 0.1.0-dev"}, "descriptions": [{"lang": "en", "value": "In MuJS before version 1.1.2, a use-after-free flaw in the regexp source property access may cause denial of service.\n\n", "supportingMedia": [{"type": "text/html", "value": "<pre>In MuJS before version 1.1.2, a use-after-free flaw in the regexp source property access may cause denial of service.</pre>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-416", "description": "CWE-416 Use After Free"}]}], "providerMetadata": {"orgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5", "shortName": "fedora", "dateUpdated": "2023-07-07T17:55:00.630Z"}}}, "cveMetadata": {"cveId": "CVE-2021-33796", "state": "PUBLISHED", "dateUpdated": "2024-11-12T19:49:00.304Z", "dateReserved": "2021-06-02T17:24:42.913Z", "assignerOrgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5", "datePublished": "2023-07-07T17:55:00.630Z", "assignerShortName": "fedora"}, "dataVersion": "5.1"}