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CVE-2021-23346— Regular Expression Denial of Service (ReDoS)

Quick assessment

Affected
n/a html-parse-stringify
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.

Henrik Joreteg html-parse-stringify是 （Henrik Joreteg）开源的一个应用软件。提供了一种可以快速将HTML解析为AST并将其字符串化为原始字符串的方法。 html-parse-stringify before 2.0.1 存在安全漏洞，该漏洞源于发送某些输入可能会导致用于解析的某个正则表达式回溯、冻结进程。

CVSS 4.8 · Medium EPSS 2.13% · P80

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking
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I. Basic Information for CVE-2021-23346

Vulnerability Information
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Vulnerability Title
Regular Expression Denial of Service (ReDoS)
Source: CVE Program / CVE List V5
Vulnerability Description
This affects the package html-parse-stringify before 2.0.1; all versions of package html-parse-stringify2. Sending certain input could cause one of the regular expressions that is used for parsing to backtrack, freezing the process.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
html-parse-stringify 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Henrik Joreteg html-parse-stringify是 （Henrik Joreteg）开源的一个应用软件。提供了一种可以快速将HTML解析为AST并将其字符串化为原始字符串的方法。 html-parse-stringify before 2.0.1 存在安全漏洞，该漏洞源于发送某些输入可能会导致用于解析的某个正则表达式回溯、冻结进程。
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
- html-parse-stringify unspecified ~ 2.0.1 -
- html-parse-stringify2 0 ~ unspecified -

II. Public POCs for CVE-2021-23346

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III. Intelligence Information for CVE-2021-23346

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Patches & Fixes for CVE-2021-23346 (1)

Vendor Advisories for CVE-2021-23346 (3)

Other References for CVE-2021-23346 (2)

Same Patch Batch · n/a · 2021-03-04 · 25 CVEs total

CVE-2021-23344 9.8 CRITICAL Remote Code Execution (RCE)
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CVE-2020-28636 CGAL 输入验证错误漏洞
CVE-2020-28601 CGAL libcgal CGAL 安全漏洞
CVE-2019-18628 Xerox AltaLink 安全漏洞
CVE-2019-18629 Xerox AltaLink 安全漏洞
CVE-2020-24036 Fork ForkCMS 安全漏洞
CVE-2020-24912 Matthias Van Woensel qcubed 跨站脚本漏洞
CVE-2020-24913 Matthias Van Woensel qcubed SQL注入漏洞
CVE-2020-24914 Matthias Van Woensel qcubed 安全漏洞
CVE-2020-35327 SourceCodester Courier Management System SQL注入漏洞
CVE-2021-27314 Sourcecodesterk Doctor Appointment System SQL注入漏洞
CVE-2020-35329 SourceCodester Courier Management System SQL注入漏洞
CVE-2021-27217 yubihsm-shell 缓冲区错误漏洞
CVE-2020-8298 fs-path 命令注入漏洞
CVE-2021-26293 AfterLogic Aurora 路径遍历漏洞
CVE-2021-26988 Netapp Clustered Data ONTAP 安全漏洞
CVE-2021-26989 Netapp Clustered Data ONTAP 安全漏洞

Showing top 20 of 25 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same vendor: n/a

V. Comments for CVE-2021-23346

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