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CVE-2022-1240— Heap buffer overflow in libr/bin/format/mach0/mach0.c in radareorg/radare2

Quick assessment

Affected
radareorg radareorg/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 存在安全漏洞，该漏洞源于如果在编译期间禁用了地址清理程序，程序应该执行到r_str_ncpy函数。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.74% · P52

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2022-1240

Vulnerability Information
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Vulnerability Title
Heap buffer overflow in libr/bin/format/mach0/mach0.c in radareorg/radare2
Source: CVE Program / CVE List V5
Vulnerability Description
Heap buffer overflow in libr/bin/format/mach0/mach0.c in GitHub repository radareorg/radare2 prior to 5.8.6. If address sanitizer is disabled during the compiling, the program should executes into the `r_str_ncpy` function. Therefore I think it is very likely to be exploitable. For more general description of heap buffer overflow, see [CWE](https://cwe.mitre.org/data/definitions/122.html).
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
radare2 缓冲区错误漏洞
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 存在安全漏洞，该漏洞源于如果在编译期间禁用了地址清理程序，程序应该执行到r_str_ncpy函数。
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
radareorg radareorg/radare2 unspecified ~ 5.8.6 -

II. Public POCs for CVE-2022-1240

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III. Intelligence Information for CVE-2022-1240

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Patches & Fixes for CVE-2022-1240 (1)

Vendor Advisories for CVE-2022-1240 (1)

Same Patch Batch · radareorg · 2022-04-06 · 3 CVEs total

CVE-2022-1237 Improper Validation of Array Index in radareorg/radare2
CVE-2022-1238 Out-of-bounds Write in libr/bin/format/ne/ne.c in radareorg/radare2

IV. Related Vulnerabilities

Same product: radareorg/radare2
Same vendor: radareorg
Same weakness: CWE-122

V. Comments for CVE-2022-1240

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