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CVE-2021-21946

Quick assessment

Affected
Accusoft ImageGear
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.

Accusoft ImageGear是美国Accusoft公司的一款用于图像处理的软件开发工具包（SDK）。 Accusoft ImageGear存在缓冲区错误漏洞，该漏洞源于JPEG-JFIF无损哈夫曼图像解析器功能中的边界错误。攻击者可利用该漏洞将精心编制的数据传递给应用程序，触发基于堆的缓冲区溢出，并在目标系统上执行任意代码。

AI Predicted 8.1 Difficulty: Easy EPSS 1.08% · P64
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I. Basic Information for CVE-2021-21946

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Two heap-based buffer overflow vulnerabilities exists in the JPEG-JFIF lossless Huffman image parser functionality of Accusoft ImageGear 19.10. A specially-crafted file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger these vulnerabilities.This heap-based buffer overflow takes place when the `SOF3` precision is lower than 9.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Accusoft ImageGear 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Accusoft ImageGear是美国Accusoft公司的一款用于图像处理的软件开发工具包（SDK）。 Accusoft ImageGear存在缓冲区错误漏洞，该漏洞源于JPEG-JFIF无损哈夫曼图像解析器功能中的边界错误。攻击者可利用该漏洞将精心编制的数据传递给应用程序，触发基于堆的缓冲区溢出，并在目标系统上执行任意代码。
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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Accusoft ImageGear 19.10 -

II. Public POCs for CVE-2021-21946

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III. Intelligence Information for CVE-2021-21946

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Other References for CVE-2021-21946 (1)

Same Patch Batch · Accusoft · 2022-04-14 · 11 CVEs total

CVE-2021-21938 9.8 CRITICAL Accusoft ImageGear 缓冲区错误漏洞
CVE-2021-21914 Accusoft ImageGear 输入验证错误漏洞
CVE-2021-21939 Accusoft ImageGear 缓冲区错误漏洞
CVE-2021-21942 Accusoft ImageGear 缓冲区错误漏洞
CVE-2021-21943 Accusoft ImageGear 缓冲区错误漏洞
CVE-2021-21944 Accusoft ImageGear 缓冲区错误漏洞
CVE-2021-21945 Accusoft ImageGear 缓冲区错误漏洞
CVE-2021-21947 Accusoft ImageGear 输入验证错误漏洞
CVE-2021-21949 Accusoft ImageGear 输入验证错误漏洞
CVE-2021-40398 Accusoft ImageGear 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: ImageGear
Same vendor: Accusoft
Same weakness: CWE-122

V. Comments for CVE-2021-21946

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