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CVE-2021-4021

Quick assessment

Affected
n/a radare2
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

radare2是一套用于处理二进制文件的库和工具。 radare2 存在资源管理错误漏洞，攻击者可利用该漏洞通过MIPS ELF64二进制文件触发Radare2的过载，以触发拒绝服务。

AI Predicted 5.5 Difficulty: Easy EPSS 1.05% · P61

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking
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I. Basic Information for CVE-2021-4021

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Radare2 in versions prior to 5.6.2, 5.6.0, 5.5.4 and 5.5.2. Mapping a huge section filled with zeros of an ELF64 binary for MIPS architecture can lead to uncontrolled resource consumption and DoS.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
radare2 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
radare2是一套用于处理二进制文件的库和工具。 radare2 存在资源管理错误漏洞，攻击者可利用该漏洞通过MIPS ELF64二进制文件触发Radare2的过载，以触发拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- radare2 radare2 5.6.2, radare2 5.6.0, radare2 5.5.4 and radare2 5.5.2 -

II. Public POCs for CVE-2021-4021

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-4021

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Other References for CVE-2021-4021 (1)

Same Patch Batch · n/a · 2022-02-24 · 41 CVEs total

CVE-2021-44663 Xerte 安全漏洞
CVE-2022-25004 Sourcecodester Hospital Patient Records Management System SQL注入漏洞
CVE-2022-23135 Zte Zxhn F677 路径遍历漏洞
CVE-2022-0544 Blender 数字错误漏洞
CVE-2022-0545 Blender输入验证错误漏洞
CVE-2022-0546 Blender 输入验证错误漏洞
CVE-2021-3700 usbredirparser 资源管理错误漏洞
CVE-2021-3607 QEMU 输入验证错误漏洞
CVE-2021-3608 QEMU 缓冲区错误漏洞
CVE-2021-44662 Xerte 跨站脚本漏洞
CVE-2022-25003 Sourcecodester Hospital Patient Records Management System SQL注入漏洞
CVE-2021-44664 Xerte 代码问题漏洞
CVE-2021-44665 Xerte 路径遍历漏洞
CVE-2021-43745 Trilium Notes 安全漏洞
CVE-2021-29216 HPE OneView Global Dashboard 跨站脚本漏洞
CVE-2021-29217 HPE OneView Global Dashboard 输入验证错误漏洞
CVE-2022-23701 HPE Integrated Lights-Out 4 注入漏洞
CVE-2021-29220 HPE iLO Amplifier Pack 安全漏洞
CVE-2021-39364 Honeywell HDZP252DI 1.00.HW02.4 安全漏洞
CVE-2021-39363 Honeywell HDZP252DI 1.00.HW02.4和HBW2PER1 1.00. hw01.3 命令注入漏洞

Showing top 20 of 41 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: radare2
Same vendor: n/a
Same weakness: CWE-400

V. Comments for CVE-2021-4021

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