CVE-2021-38173
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.
btrbk是一个应用软件。 btrfs 子卷的备份工具，利用 btrfs 特定功能创建原子快照并将它们增量传输到您的备份位置。 btrbk存在安全漏洞。由于远程主机使用authorized_keys中ssh_filter_btrbk.sh过滤SSH命令的错误处理，0.31.2之前的Btrbk允许命令执行。
Possible ATT&CK Techniques 1 AI
T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2021-38173
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Btrbk before 0.31.2 allows command execution because of the mishandling of remote hosts filtering SSH commands using ssh_filter_btrbk.sh in authorized_keys.
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
btrbk 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
btrbk是一个应用软件。 btrfs 子卷的备份工具，利用 btrfs 特定功能创建原子快照并将它们增量传输到您的备份位置。 btrbk存在安全漏洞。由于远程主机使用authorized_keys中ssh_filter_btrbk.sh过滤SSH命令的错误处理，0.31.2之前的Btrbk允许命令执行。
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)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2021-38173
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Patches & Fixes for CVE-2021-38173 (1)
Mailing List Discussions for CVE-2021-38173 (3)
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BP2T32JMENJFRP2HWXR7FTTZVRTTPECL/ vendor-advisory x_refsource_FEDORA
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LM7GLTUN5YS4KE2RNBX732EAMVVGNEX3/ vendor-advisory x_refsource_FEDORA
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Other References for CVE-2021-38173 (1)
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https://github.com/digint/btrbk/blob/master/ChangeLog x_refsource_CONFIRM
Same Patch Batch · n/a · 2021-08-07 · 12 CVEs total
| CVE-2021-38168 | Roxy-WI SQL注入漏洞 | |
| CVE-2021-38169 | Roxy-WI 命令注入漏洞 | |
| CVE-2021-38167 | Roxy-WI SQL注入漏洞 | |
| CVE-2021-38166 | Linux kernel 输入验证错误漏洞 | |
| CVE-2021-38165 | Lynx 安全漏洞 | |
| CVE-2021-29923 | Google Golang 安全漏洞 | |
| CVE-2021-38159 | Progress Software MOVEit Transfer SQL注入漏洞 | |
| CVE-2021-38160 | Linux kernel 安全漏洞 | |
| CVE-2021-38148 | Obsidian 安全漏洞 | |
| CVE-2021-29922 | Rust 安全漏洞 | |
| CVE-2021-38185 | cpio 输入验证错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-38173
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