CVE-2021-33797 - Vulnerability Details - OpenCVE

Description

Buffer-overflow in jsdtoa.c in Artifex MuJS in versions 1.0.1 to 1.1.1. An integer overflow happens when js_strtod() reads in floating point exponent, which leads to a buffer overflow in the pointer *d.

Published: 2023-04-17

Score: 9.8 Critical

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

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

Vendor Product Default status Versions

n/a

mujs

affected

Version	Status	Constraints
`mujs in versions 1.0.1 to 1.1.1`	affected	—

Configuration 1 [-]

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

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-20474	Buffer-overflow in jsdtoa.c in Artifex MuJS in versions 1.0.1 to 1.1.1. An integer overflow happens when js_strtod() reads in floating point exponent, which leads to a buffer overflow in the pointer *d.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

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 0.00417.

Exploitation poc

Automatable yes

Technical Impact total

References

Link	Providers
https://github.com/ccxvii/mujs/commit/833b6f1672b4f2991a63c4d05318f0b84ef4d550
https://github.com/ccxvii/mujs/issues/148

History

Thu, 06 Feb 2025 17:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Subscriptions

Artifex Mujs

MITRE

Status: PUBLISHED

Assigner: fedora

Published: 2023-04-17T00:00:00.000Z

Updated: 2025-02-06T16:51:47.788Z

Reserved: 2021-06-02T00:00:00.000Z

Link: CVE-2021-33797

Vulnrichment

Updated: 2024-08-03T23:58:23.173Z

NVD

Status : Modified

Published: 2023-04-17T22:15:07.677

Modified: 2025-02-06T17:15:12.420

Link: CVE-2021-33797

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

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