CVE-2021-42374
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I. Basic Information for CVE-2021-42374
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An out-of-bounds heap read in Busybox's unlzma applet leads to information leak and denial of service when crafted LZMA-compressed input is decompressed. This can be triggered by any applet/format that
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存读
Source: NVD (National Vulnerability Database)
Vulnerability Title
BusyBox 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
BusyBox是乌克兰Denis Vlasenko个人开发者的一套包含了多个linux命令和工具的应用程序。 Busybox unlzma applet 存在缓冲区错误漏洞，该漏洞源于Busybox的unlzma applet中的越界堆读取会导致信息泄漏和在解压缩lzma压缩输入时拒绝服务。
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
II. Public POCs for CVE-2021-42374
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · busybox · 2021-11-15 · 14 CVEs total
| CVE-2021-42386 | BusyBox 资源管理错误漏洞 | |
| CVE-2021-42385 | BusyBox 资源管理错误漏洞 | |
| CVE-2021-42384 | BusyBox 资源管理错误漏洞 | |
| CVE-2021-42383 | BusyBox 资源管理错误漏洞 | |
| CVE-2021-42382 | BusyBox 资源管理错误漏洞 | |
| CVE-2021-42381 | BusyBox 资源管理错误漏洞 | |
| CVE-2021-42380 | BusyBox 资源管理错误漏洞 | |
| CVE-2021-42379 | BusyBox 资源管理错误漏洞 | |
| CVE-2021-42378 | BusyBox 资源管理错误漏洞 | |
| CVE-2021-42377 | Busybox 安全漏洞 | |
| CVE-2021-42376 | BusyBox 代码问题漏洞 | |
| CVE-2021-42375 | BusyBox 安全漏洞 | |
| CVE-2021-42373 | BusyBox 代码问题漏洞 |
IV. Related Vulnerabilities
Same weakness: CWE-125
- CVE-2026-8177
XML::LibXML versions through 2.0210 for Perl read out-of-bou - CVE-2026-6104
Global buffer over-read in mb_convert_encoding() with attack - CVE-2026-7258
Out-of-bounds read in urldecode() on NetBSD - CVE-2026-8186
Open5GS NF client.c ogs_sbi_client_send_via_scp_or_sepp out- - CVE-2026-3508
ASUS System Control Interface 缓冲区错误漏洞
V. Comments for CVE-2021-42374
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