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CVE-2021-23180

Quick assessment

Affected
n/a htmldoc
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.

HTMLDOC是一款能够将HTML和Markdown文件转换为EPUB、索引HTML、PostScript和PDF等格式文件的开源程序。 HTMLDOC 存在代码问题漏洞，该漏洞源于对 file.c 中的 file_extension() 函数中用户提供的输入的验证不足。远程攻击者利用该漏洞可以执行拒绝服务(DoS)攻击。受影响的产品和版本：htmldoc (Debian 包）：1.9.2-1、1.9.2-2、1.9.3、1.9.3-1、1.9.7-1、1.9.8、1.9.8-1、1.9.8-2。

AI Predicted 7.8 Difficulty: Moderate EPSS 1.35% · P71

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-23180

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in htmldoc in v1.9.12 and before. Null pointer dereference in file_extension(),in file.c may lead to execute arbitrary code and denial of service.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
HTMLDOC 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HTMLDOC是一款能够将HTML和Markdown文件转换为EPUB、索引HTML、PostScript和PDF等格式文件的开源程序。 HTMLDOC 存在代码问题漏洞，该漏洞源于对 file.c 中的 file_extension() 函数中用户提供的输入的验证不足。远程攻击者利用该漏洞可以执行拒绝服务(DoS)攻击。受影响的产品和版本：htmldoc (Debian 包）：1.9.2-1、1.9.2-2、1.9.3、1.9.3-1、1.9.7-1、1.9.8、1.9.8-1、1.9.8-2。
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
- htmldoc Fixed in htmldoc v1.9.12 and above. -

II. Public POCs for CVE-2021-23180

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III. Intelligence Information for CVE-2021-23180

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Patches & Fixes for CVE-2021-23180 (1)

Vendor Advisories for CVE-2021-23180 (2)

Other References for CVE-2021-23180 (1)

Same Patch Batch · n/a · 2022-03-02 · 61 CVEs total

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CVE-2021-3631 Red Hat libvirt 安全漏洞
CVE-2021-23222 PostgreSQL 安全漏洞
CVE-2021-3667 Red Hat libvirt 安全漏洞
CVE-2022-23878 SeaCMS 安全漏洞
CVE-2021-38268 Liferay Portal 安全漏洞
CVE-2022-22944 Vmware Workspace One Boxer 跨站脚本漏洞
CVE-2022-25045 Home Owners Collection Management System 信任管理问题漏洞
CVE-2022-25016 Home Owners Collection Management System 代码问题漏洞
CVE-2022-23953 HP PC 输入验证错误漏洞
CVE-2022-23954 HP PC 输入验证错误漏洞
CVE-2022-23955 HP PC 输入验证错误漏洞
CVE-2022-23958 HP PC 输入验证错误漏洞
CVE-2022-23957 HP PC 输入验证错误漏洞
CVE-2021-41001 Aruba AOS-CX 命令注入漏洞
CVE-2021-41000 Aruba AOS-CX 命令注入漏洞
CVE-2021-41002 Aruba AOS-CX 路径遍历漏洞
CVE-2021-41003 Aruba AOS-CX 跨站脚本漏洞

Showing top 20 of 61 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: htmldoc
Same vendor: n/a
Same weakness: CWE-476

V. Comments for CVE-2021-23180

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