CVE-2026-43943— Electerm 通过恶意SSH服务器文件名实现远程代码执行
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一、 漏洞 CVE-2026-43943 基础信息
漏洞信息
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Vulnerability Title
electerm: RCE via malicious SSH server filename in openFileWithEditor
来源: 美国国家漏洞数据库 NVD
Vulnerability Description
electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. Prior to version 3.7.9, a code execution (RCE) vulnerability exists in electerm's SFTP open with system editor or "Edit with custom editor" feature. When a user opts to edit a file using open with system editor or open with a custom editor, the filename is passed directly into a command line without sanitization. A malicious actor controlling the SSH server or user OS can exploit this by crafting a filename containing shell metacharacters. If a victim subsequently attempts to edit this file, the injected commands are executed on their machine with the user's privileges. This could allow the attacker to run arbitrary code, install malware, or move laterally within the network. This issue has been patched in version 3.7.9.
来源: 美国国家漏洞数据库 NVD
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
来源: 美国国家漏洞数据库 NVD
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
来源: 美国国家漏洞数据库 NVD
受影响产品
二、漏洞 CVE-2026-43943 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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- Release v3.7.9 · electerm/electerm · GitHubx_refsource_MISC
- Improve open file function · electerm/electerm@24ce710 · GitHubx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2026-43943
同批安全公告 · electerm · 2026-05-08 · 共 7 条
| CVE-2026-41501 | 9.8 CRITICAL | electerm runLinux命令注入漏洞 |
| CVE-2026-41500 | 9.8 CRITICAL | electerm 通过 runMac 函数实现命令注入漏洞 |
| CVE-2026-43941 | 9.6 CRITICAL | electerm 终端链接点击任意协议执行漏洞 |
| CVE-2026-43940 | 8.4 HIGH | electerm runWidget路径遍历导致远程代码执行漏洞 |
| CVE-2026-43942 | 5.5 MEDIUM | electerm 环境变量通过窗口对象泄露 |
| CVE-2026-43944 | electerm 存在远程代码执行漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2026-43943
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