VDB-198401 · CVE-2022-1437 · Nessus 259380

radare2 up to 5.6.x heap-based overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.2	$0-$5k	0.00

Summaryinfo

A vulnerability was found in radare2 up to 5.6.x. It has been rated as critical. Impacted is an unknown function. The manipulation leads to heap-based overflow. This vulnerability is documented as CVE-2022-1437. The attack needs to be performed locally. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in radare2 up to 5.6.x (Programming Tool Software) and classified as critical. This issue affects an unknown function. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is confidentiality, integrity, and availability.

The weakness was released 04/22/2022. The advisory is shared at huntr.dev. The identification of this vulnerability is CVE-2022-1437 since 04/22/2022. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 259380 (Linux Distros Unpatched Vulnerability : CVE-2022-1437), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.7.0 eliminates this vulnerability. Applying the patch 669a404b6d98d5db409a5ebadae4e94b34ef5136 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (259380). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Programming Tool Software

Name

radare2

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (huntr.dev): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 259380
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2022-1437

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: radare2 5.7.0
Patch: 669a404b6d98d5db409a5ebadae4e94b34ef5136

Timelineinfo

04/22/2022 🔍
04/22/2022 +0 days 🔍
04/22/2022 +0 days 🔍
08/31/2025 +1227 days 🔍

Sourcesinfo

Advisory: 669a404b6d98d5db409a5ebadae4e94b34ef5136
Status: Confirmed

CVE: CVE-2022-1437 (🔍)
GCVE (CVE): GCVE-0-2022-1437
GCVE (VulDB): GCVE-100-198401

Entryinfo

Created: 04/22/2022 19:00
Updated: 08/31/2025 09:40
Changes: 04/22/2022 19:00 (50), 04/28/2022 18:39 (1), 04/28/2022 18:47 (1), 08/31/2025 09:40 (16)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.