CVE-2021-32494 - Vulnerability Details - OpenCVE

Description

Radare2 has a division by zero vulnerability in Mach-O parser's rebase_buffer function. This allow attackers to create malicious inputs that can cause denial of service.

Published: 2023-07-07

Score: 10 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

radare2

radare2

unaffected

Version	Status	Constraints
`5.3.0-git 26142`	affected	—

Configuration 1 [-]

cpe:2.3:a:radare:radare2:5.3.0:*:*:*:*:*:*:*

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-2021-19340	Radare2 has a division by zero vulnerability in Mach-O parser's rebase_buffer function. This allow attackers to create malicious inputs that can 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 0.00232.

Exploitation poc

Automatable yes

Technical Impact total

References

Link	Providers
https://github.com/radareorg/radare2/commit/a07dedb804a82bc01c07072861942dd80c6b6d62
https://github.com/radareorg/radare2/issues/18667

History

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

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

Subscriptions

Radare Radare2

MITRE

Status: PUBLISHED

Assigner: fedora

Published: 2023-07-07T18:20:40.510Z

Updated: 2024-11-12T19:47:21.001Z

Reserved: 2021-05-10T18:31:31.213Z

Link: CVE-2021-32494

Vulnrichment

Updated: 2024-08-03T23:17:29.561Z

NVD

Status : Modified

Published: 2023-07-07T19:15:09.507

Modified: 2024-11-21T06:07:08.793

Link: CVE-2021-32494

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-369

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