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CVE-2021-21897

Quick assessment

Affected
n/a Ribbonsoft
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.

Ribbonsoft dxflib是瑞士Ribbonsoft公司的一个开源 C++ 库，主要用于解析 DXF TM文件。 Ribbonsoft dxflib 存在数字错误漏洞，该漏洞源于 Ribbonsoft dxflib 3.17.0 的 DL_Dxf::handleLWPolylineData 功能中存在代码执行漏洞。特制的 .dxf 文件可能会导致堆缓冲区溢出。攻击者可以提供恶意文件来触发此漏洞。

AI Predicted 8.1 Difficulty: Moderate EPSS 2.89% · P86
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I. Basic Information for CVE-2021-21897

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A code execution vulnerability exists in the DL_Dxf::handleLWPolylineData functionality of Ribbonsoft dxflib 3.17.0. A specially-crafted .dxf file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
整数下溢(超界折返)
Source: CVE Program / CVE List V5
Vulnerability Title
Ribbonsoft dxflib 数字错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ribbonsoft dxflib是瑞士Ribbonsoft公司的一个开源 C++ 库，主要用于解析 DXF TM文件。 Ribbonsoft dxflib 存在数字错误漏洞，该漏洞源于 Ribbonsoft dxflib 3.17.0 的 DL_Dxf::handleLWPolylineData 功能中存在代码执行漏洞。特制的 .dxf 文件可能会导致堆缓冲区溢出。攻击者可以提供恶意文件来触发此漏洞。
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
- Ribbonsoft Ribbonsoft dxflib 3.17.0 -

II. Public POCs for CVE-2021-21897

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III. Intelligence Information for CVE-2021-21897

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Mailing List Discussions for CVE-2021-21897 (4)

Other References for CVE-2021-21897 (1)

Same Patch Batch · n/a · 2021-09-08 · 19 CVEs total

CVE-2021-23404 7.6 HIGH Cross-site Request Forgery (CSRF)
CVE-2021-31274 Librenms 跨站脚本漏洞
CVE-2021-40818 Glewlwyd SSO server 缓冲区错误漏洞
CVE-2021-40814 Prestashop SQL注入漏洞
CVE-2021-36440 ShowDoc 代码问题漏洞
CVE-2020-26772 PPGo_Job 操作系统命令注入漏洞
CVE-2020-19138 DotCMS 代码问题漏洞
CVE-2020-19137 Autumn 安全漏洞
CVE-2021-40797 OpenStack 安全漏洞
CVE-2021-40537 owncloud 代码问题漏洞
CVE-2021-21996 Saltstack SaltStack Salt 安全漏洞
CVE-2021-33982 Fish Hunt FL 代码问题漏洞
CVE-2021-33981 Fish Hunt FL 信息泄露漏洞
CVE-2021-40346 Haproxy HAProxy 输入验证错误漏洞
CVE-2021-22004 SaltStack Salt竞争条件问题漏洞
CVE-2021-36695 Deskpro 跨站脚本漏洞
CVE-2021-40377 Smartertools SmarterTools SmarterMail 跨站脚本漏洞
CVE-2021-40812 GD Graphics Library 缓冲区错误漏洞

IV. Related Vulnerabilities

Same vendor: n/a
Same weakness: CWE-191

V. Comments for CVE-2021-21897

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