CVE-2021-41816
Quick assessment
Affected
n/a n/a
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Ruby是松本行弘个人开发者的一种跨平台、面向对象的动态类型编程语言。 Ruby 3.0.3之前版本存在输入验证错误漏洞，该漏洞源于在传递非常大的数据时会导致缓冲区溢出字符串（>700 MB）到CGI.escape_html。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-41816
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
CGI.escape_html in Ruby before 2.7.5 and 3.x before 3.0.3 has an integer overflow and resultant buffer overflow via a long string on platforms (such as Windows) where size_t and long have different numbers of bytes. This also affects the CGI gem before 0.3.1 for Ruby.
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
Ruby 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ruby是松本行弘个人开发者的一种跨平台、面向对象的动态类型编程语言。 Ruby 3.0.3之前版本存在输入验证错误漏洞，该漏洞源于在传递非常大的数据时会导致缓冲区溢出字符串（>700 MB）到CGI.escape_html。
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-2021-41816
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-41816 (2)
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NetApp Product Security x_refsource_CONFIRM
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Mailing List Discussions for CVE-2021-41816 (2)
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UTOJGS5IEFDK3UOO7IY4OTTFGHGLSWZF/ vendor-advisory x_refsource_FEDORA
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUXQCH6FRKANCVZO2Q7D2SQX33FP3KWN/ vendor-advisory x_refsource_FEDORA
Other References for CVE-2021-41816 (2)
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https://hackerone.com/reports/1328463 x_refsource_MISC
Same Patch Batch · n/a · 2022-02-06 · 9 CVEs total
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| CVE-2022-22832 | Servisnet Tessa 安全漏洞 | |
| CVE-2022-22831 | Servisnet Tessa 授权问题漏洞 | |
| CVE-2021-39280 | Korenix Technology Korenix JetWave 安全漏洞 | |
| CVE-2007-20001 | StarWind iSCSI SAN 资源管理错误漏洞 | |
| CVE-2013-20004 | StarWind iSCSI SAN 资源管理错误漏洞 | |
| CVE-2022-24551 | StarWind SAN & NAS 授权问题漏洞 | |
| CVE-2022-24552 | StarWind SAN & NAS 操作系统命令注入漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-41816
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