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CVE-2021-21796

Quick assessment

Affected
n/a Nitro Pro
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Nitro Software Nitro Pro是美国Nitro Software公司的一款PDF文档编辑器软件。该软件支持PDF文档编辑、PDF文档格式转换和PDF文档加密等功能。 Nitro Software Nitro Pro PDF 中存在资源管理错误漏洞,该漏洞源于产品允许特殊制作的文档导致一个包含文档路径的对象被销毁,然后被重用。攻击者可通过该漏洞执行恶意代码。

AI Predicted 8.8 Difficulty: Hard EPSS 15.78% · P97
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I. Basic Information for CVE-2021-21796

Vulnerability Information

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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An exploitable use-after-free vulnerability exists in the JavaScript implementation of Nitro Pro PDF. A specially crafted document can cause an object containing the path to a document to be destroyed and then later reused, resulting in a use-after-free vulnerability, which can lead to code execution under the context of the application. An attacker can convince a user to open a document to trigger this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
Nitro Software Nitro Pro 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nitro Software Nitro Pro是美国Nitro Software公司的一款PDF文档编辑器软件。该软件支持PDF文档编辑、PDF文档格式转换和PDF文档加密等功能。 Nitro Software Nitro Pro PDF 中存在资源管理错误漏洞,该漏洞源于产品允许特殊制作的文档导致一个包含文档路径的对象被销毁,然后被重用。攻击者可通过该漏洞执行恶意代码。
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)

Shenlong Deep Dive — AI Deep Analysis

10-question deep dive: root cause, exploitation, mitigation, urgency. Read summary free, full version requires login.

Affected Products

Vendor Product Affected Versions CPE Subscribe
- Nitro Pro Nitro Pro 13.31.0.605,Nitro Pro 13.33.2.645 -

II. Public POCs for CVE-2021-21796

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III. Intelligence Information for CVE-2021-21796

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Other References for CVE-2021-21796 (1)

Same Patch Batch · n/a · 2021-10-18 · 19 CVEs total

CVE-2021-23449 9.8 CRITICAL Sandbox Bypass
CVE-2020-8291 Rocket.Chat 跨站脚本漏洞
CVE-2021-42650 Portainer 跨站脚本漏洞
CVE-2021-42055 ASUSTek ZenBook Pro Due 15 UX582 安全漏洞
CVE-2021-36513 FreeSWITCH 安全漏洞
CVE-2021-42575 Sanitize 输入验证错误漏洞
CVE-2021-42576 David Kitchen bluemonday 安全漏洞
CVE-2021-41990 strongSwan 输入验证错误漏洞
CVE-2021-41991 strongSwan 输入验证错误漏洞
CVE-2021-22942 Ruby on Rails 输入验证错误漏洞
CVE-2021-22961 GlassWire 代码注入漏洞
CVE-2021-21797 Nitro Software Nitro Pro 资源管理错误漏洞
CVE-2010-2496 Pacemaker 授权问题漏洞
CVE-2021-41611 Squid 信任管理问题漏洞
CVE-2021-38562 Best Practical Request Tracker 信息泄露漏洞
CVE-2021-42565 myfactory.FMS 跨站脚本漏洞
CVE-2021-42566 myfactory.FMS 跨站脚本漏洞
CVE-2021-38297 Google Go 缓冲区错误漏洞

IV. Related Vulnerabilities

V. Comments for CVE-2021-21796

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