CVE-2021-44957
Quick assessment
Affected
n/a n/a
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.
ffjpeg是中国陈凯个人开发者的一款JPEG编码/解码器。 ffjpeg 中存在缓冲区错误漏洞，该漏洞源于产品/src/jfif.c文件中的jfif_encode函数未能正确处理内存边界。攻击者可通过特殊的jpeg文件导致拒绝服务。以下产品及版本受到影响：ffjpeg 01.01.2021 之前版本。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-44957
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Global buffer overflow vulnerability exist in ffjpeg through 01.01.2021. It is similar to CVE-2020-23705. Issue is in the jfif_encode function at ffjpeg/src/jfif.c (line 708) could cause a Denial of Service by using a crafted jpeg file.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
ffjpeg 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ffjpeg是中国陈凯个人开发者的一款JPEG编码/解码器。 ffjpeg 中存在缓冲区错误漏洞，该漏洞源于产品/src/jfif.c文件中的jfif_encode函数未能正确处理内存边界。攻击者可通过特殊的jpeg文件导致拒绝服务。以下产品及版本受到影响：ffjpeg 01.01.2021 之前版本。
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2021-44957
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2021-44957 (1)
-
https://github.com/rockcarry/ffjpeg/issues/44 x_refsource_MISC
Same Patch Batch · n/a · 2022-02-08 · 14 CVEs total
| CVE-2022-24676 | HYBBS 代码问题漏洞 | |
| CVE-2022-24677 | HYBBS 默认配置问题漏洞 | |
| CVE-2021-45919 | Studio 42 elFinder 跨站脚本漏洞 | |
| CVE-2021-45329 | Gitea 跨站脚本漏洞 | |
| CVE-2021-45328 | Gitea 输入验证错误漏洞 | |
| CVE-2021-45327 | Gitea 安全漏洞 | |
| CVE-2021-45326 | Gitea 跨站请求伪造漏洞 | |
| CVE-2021-45325 | Gitea 代码问题漏洞 | |
| CVE-2021-44864 | TP-Link WR886N 缓冲区错误漏洞 | |
| CVE-2021-44956 | ffjpeg 缓冲区错误漏洞 | |
| CVE-2022-23340 | Joplin 代码问题漏洞 | |
| CVE-2022-23331 | DataEase 安全漏洞 | |
| CVE-2022-24450 | Nats-Server 访问控制错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-44957
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