CVE-2021-23341— Regular Expression Denial of Service (ReDoS)
Quick assessment
Affected
n/a prismjs
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.
Prism是美国Prism个人开发者的一个应用软件。是一种轻量级的，可扩展的语法突出显示工具。 Prismjs 中存在安全漏洞。该漏洞源于应用易受通过prism asciidoc、prism rest、prism tap和prism eiffel组件的正则表达式错误引发的拒绝服务（ReDoS）攻击。以下产品及版本受到影响：prismjs 1.23.0 之前版本。
Possible ATT&CK Techniques 1 AI
T1496 · Resource Hijacking
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I. Basic Information for CVE-2021-23341
Vulnerability Information
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Vulnerability Title
Regular Expression Denial of Service (ReDoS)
Source: CVE Program / CVE List V5
Vulnerability Description
The package prismjs before 1.23.0 are vulnerable to Regular Expression Denial of Service (ReDoS) via the prism-asciidoc, prism-rest, prism-tap and prism-eiffel components.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Prismjs 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Prism是美国Prism个人开发者的一个应用软件。是一种轻量级的，可扩展的语法突出显示工具。 Prismjs 中存在安全漏洞。该漏洞源于应用易受通过prism asciidoc、prism rest、prism tap和prism eiffel组件的正则表达式错误引发的拒绝服务（ReDoS）攻击。以下产品及版本受到影响：prismjs 1.23.0 之前版本。
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 |
|---|---|---|---|---|
| - | prismjs | unspecified ~ 1.23.0 | - |
|
II. Public POCs for CVE-2021-23341
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2021-23341 (1)
-
https://github.com/PrismJS/prism/pull/2584 x_refsource_MISC
Vendor Advisories for CVE-2021-23341 (3)
-
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1076583 x_refsource_MISC
-
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1076582 x_refsource_MISC
-
https://snyk.io/vuln/SNYK-JS-PRISMJS-1076581 x_refsource_MISC
Other References for CVE-2021-23341 (1)
-
https://github.com/PrismJS/prism/issues/2583 x_refsource_MISC
Same Patch Batch · n/a · 2021-02-18 · 27 CVEs total
| CVE-2020-28490 | 9.1 CRITICAL | Command Injection |
| CVE-2020-28496 | 7.5 HIGH | Regular Expression Denial of Service (ReDoS) |
| CVE-2020-28491 | 7.5 HIGH | Denial of Service (DoS) |
| CVE-2020-28499 | 7.3 HIGH | Prototype Pollution |
| CVE-2021-23340 | 7.1 HIGH | Local File Inclusion |
| CVE-2020-28463 | 6.5 MEDIUM | Server-side Request Forgery (SSRF) |
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| CVE-2021-27124 | Doctor Appointment System SQL注入漏洞 | |
| CVE-2021-27378 | Rust rand_core 安全特征问题漏洞 | |
| CVE-2021-27377 | Rust yottadb 资源管理错误漏洞 | |
| CVE-2021-27376 | Rust nb-connect 缓冲区错误漏洞 | |
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| CVE-2019-18255 | GE Digital HMI/SCADA iFIX 权限许可和访问控制问题漏洞 | |
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| CVE-2020-19513 | FinalWire AIDA64 Engineer 缓冲区错误漏洞 | |
| CVE-2021-27329 | Friendica 代码问题漏洞 | |
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| CVE-2020-35591 | Pi-hole 授权问题漏洞 |
Showing top 20 of 27 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-23341
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