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

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2021-41830— Double Certificate Attack

Quick assessment

Affected
Apache Software Foundation Apache OpenOffice
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.

Apache OpenOffice是美国阿帕奇（Apache）基金会的一款开源的办公软件套件。该套件包含文本文档、电子表格、演示文稿、绘图、数据库等。 Apache OpenOffice 4.1.10之前版本存在数据伪造问题漏洞，攻击者可利用该漏洞操纵签名文档和宏，使其看起来来自可信来源。

AI Predicted 5.5 Difficulty: Moderate EPSS 1.39% · P71
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-41830

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
Double Certificate Attack
Source: CVE Program / CVE List V5
Vulnerability Description
It is possible for an attacker to manipulate signed documents and macros to appear to come from a trusted source. All versions of Apache OpenOffice up to 4.1.10 are affected. Users are advised to update to version 4.1.11. See CVE-2021-25633 for the LibreOffice advisory.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
密码学签名的验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Apache OpenOffice 数据伪造问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache OpenOffice是美国阿帕奇（Apache）基金会的一款开源的办公软件套件。该套件包含文本文档、电子表格、演示文稿、绘图、数据库等。 Apache OpenOffice 4.1.10之前版本存在数据伪造问题漏洞，攻击者可利用该漏洞操纵签名文档和宏，使其看起来来自可信来源。
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
Apache Software Foundation Apache OpenOffice Apache OpenOffice ~ 4.1.10 -

II. Public POCs for CVE-2021-41830

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

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-41830

请登录查看更多情报信息。

Mailing List Discussions for CVE-2021-41830 (2)

Same Patch Batch · Apache Software Foundation · 2021-10-11 · 3 CVEs total

CVE-2021-41832 Content Manipulation with Certificate Validation Attack
CVE-2021-41831 Timestamp Manipulation with Signature Wrapping

IV. Related Vulnerabilities

Same product: Apache OpenOffice
Same vendor: Apache Software Foundation
Same weakness: CWE-347

V. Comments for CVE-2021-41830

No comments yet

Leave a comment