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CVE-2021-21797

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 Pro PDF 存在资源管理错误漏洞，该漏洞源于产品未能正确控制文档的资源。攻击者可通过该漏洞利用特殊文件导致对超时对象的多次释放进而引发代码执行。

AI Predicted 8.8 Difficulty: Easy EPSS 15.05% · P97

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2021-21797

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An exploitable double-free vulnerability exists in the JavaScript implementation of Nitro Pro PDF. A specially crafted document can cause a reference to a timeout object to be stored in two different places. When closed, the document will result in the reference being released twice. This 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
双重释放
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 Pro PDF 存在资源管理错误漏洞，该漏洞源于产品未能正确控制文档的资源。攻击者可通过该漏洞利用特殊文件导致对超时对象的多次释放进而引发代码执行。
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)

Shenlong Deep Dive — AI Deep Analysis

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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-2021-21797

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III. Intelligence Information for CVE-2021-21797

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Vendor Advisories for CVE-2021-21797 (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-2021-21796 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

Same product: Nitro Pro
Same vendor: n/a
Same weakness: CWE-415

V. Comments for CVE-2021-21797

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