Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2021-23368— Regular Expression Denial of Service (ReDoS)

Quick assessment

Affected
n/a postcss
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.

Andrey Sitnik postcss是Andrey Sitnik开源的一个应用程序。用于使用JS插件转换样式的工具。 Postcss 7.0.0版本和8.2.10版本之前存在安全漏洞，该漏洞会使程序在源映射解析期间受到正则表达式拒绝服务(ReDoS)的攻击。

CVSS 5.3 · Medium EPSS 3.51% · P89

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-23368

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Regular Expression Denial of Service (ReDoS)
Source: CVE Program / CVE List V5
Vulnerability Description
The package postcss from 7.0.0 and before 8.2.10 are vulnerable to Regular Expression Denial of Service (ReDoS) during source map parsing.
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:L
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Andrey Sitnik postcss 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Andrey Sitnik postcss是Andrey Sitnik开源的一个应用程序。用于使用JS插件转换样式的工具。 Postcss 7.0.0版本和8.2.10版本之前存在安全漏洞，该漏洞会使程序在源映射解析期间受到正则表达式拒绝服务(ReDoS)的攻击。
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
- postcss 7.0.0 ~ unspecified -

II. Public POCs for CVE-2021-23368

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-23368

请登录查看更多情报信息。

Patches & Fixes for CVE-2021-23368 (2)

Vendor Advisories for CVE-2021-23368 (2)

Mailing List Discussions for CVE-2021-23368 (6)

Same Patch Batch · n/a · 2021-04-12 · 23 CVEs total

CVE-2021-23371 7.5 HIGH Regular Expression Denial of Service (ReDoS)
CVE-2021-23370 7.5 HIGH Prototype Pollution
CVE-2021-23369 5.6 MEDIUM Remote Code Execution (RCE)
CVE-2021-3125 TP-Link TL-XDR 安全漏洞
CVE-2021-29379 D-Link DIR-802 操作系统命令注入漏洞
CVE-2020-24285 Intelbras TIP 200 信息泄露漏洞
CVE-2020-28872 jonfinley Monitorr 安全漏洞
CVE-2021-25926 Echel0n SiCKRAGE 跨站脚本漏洞
CVE-2021-25925 Echel0n SiCKRAGE 跨站脚本漏洞
CVE-2021-27486 FATEK Automation WinProladder 数字错误漏洞
CVE-2021-23270 Michael gargoyle 安全漏洞
CVE-2021-30030 Saad Irfan RemoteClinic 跨站脚本漏洞
CVE-2021-3128 ASUS RT-AX3000 安全漏洞
CVE-2021-29302 TP-Link TL-WR802N 缓冲区错误漏洞
CVE-2020-15390 Pegasystem PEGA Platform 安全漏洞
CVE-2021-29357 OutSystems Platform 代码问题漏洞
CVE-2019-15059 Liberty lisPBX 安全漏洞
CVE-2021-3163 Quill 跨站脚本漏洞
CVE-2021-30039 Saad Irfan RemoteClinic 跨站脚本漏洞
CVE-2021-30042 Saad Irfan RemoteClinic 跨站脚本漏洞

Showing top 20 of 23 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: postcss
Same vendor: n/a

V. Comments for CVE-2021-23368

No comments yet

Leave a comment