CVE-2021-46023
Quick assessment
Affected
n/a n/a
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.
mruby是一款Ruby语言的轻量级实现。 mruby 3.1.0-rc之前版本存在安全漏洞，该漏洞源于函数mrb_vm_exec中存在不可信任的指针解构，攻击者利用该漏洞可以导致分段错误和应用程序崩溃。
Possible ATT&CK Techniques 1 AI
T1211 · Exploitation for Stealth
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I. Basic Information for CVE-2021-46023
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An Untrusted Pointer Dereference was discovered in function mrb_vm_exec in mruby before 3.1.0-rc. The vulnerability causes a segmentation fault and application crash.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
mruby 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
mruby是一款Ruby语言的轻量级实现。 mruby 3.1.0-rc之前版本存在安全漏洞，该漏洞源于函数mrb_vm_exec中存在不可信任的指针解构，攻击者利用该漏洞可以导致分段错误和应用程序崩溃。
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2021-46023
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-46023 (1)
Same Patch Batch · n/a · 2023-02-14 · 10 CVEs total
| CVE-2023-0830 | 6.3 MEDIUM | EasyNAS backup.pl system os command injection |
| CVE-2022-29557 | LexisNexis Firco Compliance Link 跨站请求伪造漏洞 | |
| CVE-2023-22629 | South River Technologies TitanFTP NextGen 路径遍历漏洞 | |
| CVE-2023-24159 | TOTOLINK CA300-PoE 命令注入漏洞 | |
| CVE-2023-24160 | TOTOLINK CA300-PoE 命令注入漏洞 | |
| CVE-2023-24161 | TOTOLINK CA300-PoE 命令注入漏洞 | |
| CVE-2023-24187 | ureport v2.2.9 代码问题漏洞 | |
| CVE-2023-25725 | HAProxy 安全漏洞 | |
| CVE-2023-25758 | Onekey Touch devices 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-46023
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