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CVE-2021-26252

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存在缓冲区错误漏洞，该漏洞源于pspdf_prepare_page() 函数 ps-pdf.cxx 中的边界错误。远程攻击者利用该漏洞可以触发基于堆的缓冲区溢出，并在目标系统上执行任意代码。该漏洞允许远程攻击者在目标系统上执行任意代码。受影响的产品和版本:htmldoc (Debian 软件包): 1.9.2-1, 1.9.2-2, 1.9.3, 1.9.

AI Predicted 9.8 Difficulty: Easy EPSS 0.96% · P60

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-26252

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. Heap buffer overflow in pspdf_prepare_page(),in ps-pdf.cxx 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
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
HTMLDOC 缓冲区错误漏洞
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存在缓冲区错误漏洞，该漏洞源于pspdf_prepare_page() 函数 ps-pdf.cxx 中的边界错误。远程攻击者利用该漏洞可以触发基于堆的缓冲区溢出，并在目标系统上执行任意代码。该漏洞允许远程攻击者在目标系统上执行任意代码。受影响的产品和版本:htmldoc (Debian 软件包): 1.9.2-1, 1.9.2-2, 1.9.3, 1.9.
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 htmldoc 1.9.15 -

II. Public POCs for CVE-2021-26252

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-26252

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Vendor Advisories for CVE-2021-26252 (1)

Same Patch Batch · n/a · 2022-02-24 · 41 CVEs total

CVE-2021-44663 Xerte 安全漏洞
CVE-2022-23135 Zte Zxhn F677 路径遍历漏洞
CVE-2022-0544 Blender 数字错误漏洞
CVE-2022-0545 Blender输入验证错误漏洞
CVE-2022-0546 Blender 输入验证错误漏洞
CVE-2021-4021 radare2 资源管理错误漏洞
CVE-2021-3700 usbredirparser 资源管理错误漏洞
CVE-2021-3607 QEMU 输入验证错误漏洞
CVE-2021-3608 QEMU 缓冲区错误漏洞
CVE-2021-44662 Xerte 跨站脚本漏洞
CVE-2022-25004 Sourcecodester Hospital Patient Records Management System SQL注入漏洞
CVE-2021-44664 Xerte 代码问题漏洞
CVE-2021-44665 Xerte 路径遍历漏洞
CVE-2021-43745 Trilium Notes 安全漏洞
CVE-2021-29216 HPE OneView Global Dashboard 跨站脚本漏洞
CVE-2021-29217 HPE OneView Global Dashboard 输入验证错误漏洞
CVE-2022-23701 HPE Integrated Lights-Out 4 注入漏洞
CVE-2021-29220 HPE iLO Amplifier Pack 安全漏洞
CVE-2021-39364 Honeywell HDZP252DI 1.00.HW02.4 安全漏洞
CVE-2021-39363 Honeywell HDZP252DI 1.00.HW02.4和HBW2PER1 1.00. hw01.3 命令注入漏洞

Showing top 20 of 41 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: htmldoc
Same vendor: n/a
Same weakness: CWE-787

V. Comments for CVE-2021-26252

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