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CVE-2021-3177

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.

Python是Python基金会的一套开源的、面向对象的程序设计语言。该语言具有可扩展、支持模块和包、支持多种平台等特点。 Python 3.x through 3.9.1 存在缓冲区错误漏洞，该漏洞源于PyCArg_repr in _ctypes/callproc.c，攻击者可利用该漏洞执行远程代码。

AI Predicted 8.1 Difficulty: Easy EPSS 23.29% · P98

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-3177

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Python 3.x through 3.9.1 has a buffer overflow in PyCArg_repr in _ctypes/callproc.c, which may lead to remote code execution in certain Python applications that accept floating-point numbers as untrusted input, as demonstrated by a 1e300 argument to c_double.from_param. This occurs because sprintf is used unsafely.
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
Python 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Python是Python基金会的一套开源的、面向对象的程序设计语言。该语言具有可扩展、支持模块和包、支持多种平台等特点。 Python 3.x through 3.9.1 存在缓冲区错误漏洞，该漏洞源于PyCArg_repr in _ctypes/callproc.c，攻击者可利用该漏洞执行远程代码。
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-2021-3177

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-3177

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Patches & Fixes for CVE-2021-3177 (1)

Vendor Advisories for CVE-2021-3177 (6)

Mailing List Discussions for CVE-2021-3177 (17)

Other References for CVE-2021-3177 (3)

Same Patch Batch · n/a · 2021-01-19 · 38 CVEs total

CVE-2020-28477 7.5 HIGH Prototype Pollution
CVE-2020-28478 7.5 HIGH Prototype Pollution
CVE-2020-28472 7.3 HIGH Prototype Pollution
CVE-2020-28480 7.3 HIGH Prototype Pollution
CVE-2020-28482 5.9 MEDIUM Cross-site Request Forgery (CSRF)
CVE-2020-28479 5.9 MEDIUM Denial of Service (DoS)
CVE-2020-28481 5.3 MEDIUM Insecure Defaults
CVE-2020-27256 多款Sooil产品信任管理问题漏洞
CVE-2021-3184 MISP 跨站脚本漏洞
CVE-2020-27270 多款Sooil产品授权问题漏洞
CVE-2020-27272 多款Sooil产品访问控制错误漏洞
CVE-2020-27276 多款Sooil产品授权问题漏洞
CVE-2021-20190 FasterXML jackson-databind 代码问题漏洞
CVE-2020-8581 Clustered Data ONTAP 安全漏洞
CVE-2021-25325 MISP 跨站脚本漏洞
CVE-2020-27258 多款Sooil产品信息泄露漏洞
CVE-2020-27264 多款Sooil产品安全特征问题漏洞
CVE-2020-11997 Apache Guacamole 安全漏洞
CVE-2020-27266 多款Sooil产品授权问题漏洞
CVE-2020-27268 多款Sooil产品授权问题漏洞

Showing top 20 of 38 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

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Same vendor: n/a

V. Comments for CVE-2021-3177

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