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

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2021-3404

Quick assessment

Affected
n/a ytnef
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.

ytnef是一款用于winmail.dat文件的TNEF（传输中性封装格式）流阅读器。 ytnef 1.9.3 存在缓冲区错误漏洞，该漏洞源于SwapWord函数，远程攻击者可利用该漏洞导致拒绝服务和任意代码执行。

AI Predicted 7.5 Difficulty: Easy EPSS 1.95% · P79

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-3404

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In ytnef 1.9.3, the SwapWord function in lib/ytnef.c allows remote attackers to cause a denial-of-service (and potentially code execution) due to a heap buffer overflow which can be triggered via a crafted file.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
ytnef 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ytnef是一款用于winmail.dat文件的TNEF（传输中性封装格式）流阅读器。 ytnef 1.9.3 存在缓冲区错误漏洞，该漏洞源于SwapWord函数，远程攻击者可利用该漏洞导致拒绝服务和任意代码执行。
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
- ytnef All versions -

II. Public POCs for CVE-2021-3404

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

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-3404

请登录查看更多情报信息。

Vendor Advisories for CVE-2021-3404 (1)

Other References for CVE-2021-3404 (1)

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

CVE-2021-23344 9.8 CRITICAL Remote Code Execution (RCE)
CVE-2021-23346 4.8 MEDIUM Regular Expression Denial of Service (ReDoS)
CVE-2020-35328 Courier Management System 跨站脚本漏洞
CVE-2020-35636 CGAL 输入验证错误漏洞
CVE-2020-35628 CGAL 输入验证错误漏洞
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

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

IV. Related Vulnerabilities

Same product: ytnef
Same vendor: n/a
Same weakness: CWE-119

V. Comments for CVE-2021-3404

No comments yet

Leave a comment