CVE-2021-32495 - Vulnerability Details - OpenCVE

Description

Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function. Attacker can read freed memory afterwards. This will allow attackers to 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
`radare2 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-2021-19341	Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function. Attacker can read freed memory afterwards. This will allow attackers to 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 0.00316.

Exploitation none

Automatable yes

Technical Impact total

References

Link	Providers
https://github.com/radareorg/radare2/commit/5e16e2d1c9fe245e4c17005d779fde91ec0b9c05
https://github.com/radareorg/radare2/issues/18666

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

Radare Radare2

MITRE

Status: PUBLISHED

Assigner: fedora

Published: 2023-07-07T18:27:29.097Z

Updated: 2024-11-12T19:46:27.537Z

Reserved: 2021-05-10T18:31:31.214Z

Link: CVE-2021-32495

Vulnrichment

Updated: 2024-08-03T23:17:29.560Z

NVD

Status : Modified

Published: 2023-07-07T19:15:09.600

Modified: 2024-11-21T06:07:08.930

Link: CVE-2021-32495

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-416

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