CVE-2013-4434
Quick assessment
Affected
n/a n/a
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Dropbear SSH Server是Matt Johnston软件开发者所研发的一款开源的小型SSH服务器和客户端，它可运行在基于POSIX（可移植操作系统接口）的各种平台上。 Dropbear SSH Server 2013.59之前的版本中存在安全漏洞，该漏洞源于程序在验证用户期间存在错误。远程攻击者可利用该漏洞发现有效的用户名。
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I. Basic Information for CVE-2013-4434
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Dropbear SSH Server before 2013.59 generates error messages for a failed logon attempt with different time delays depending on whether the user account exists, which allows remote attackers to discover valid usernames.
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
Dropbear SSH Server ‘svr-auth.c’ 用户枚举漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dropbear SSH Server是Matt Johnston软件开发者所研发的一款开源的小型SSH服务器和客户端，它可运行在基于POSIX（可移植操作系统接口）的各种平台上。 Dropbear SSH Server 2013.59之前的版本中存在安全漏洞，该漏洞源于程序在验证用户期间存在错误。远程攻击者可利用该漏洞发现有效的用户名。
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-2013-4434
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | Dropbear user enumeration (CVE-2013-4434) PoC | https://github.com/styx00/Dropbear_CVE-2013-4434 | POC Details |
AI-Generated POC
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Vendor Advisories for CVE-2013-4434 (2)
Mailing List Discussions for CVE-2013-4434 (3)
Other References for CVE-2013-4434 (3)
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🔗 https://matt.ucc.asn.au/dropbear/CHANGES x_refsource_CONFIRM
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🔗 https://secure.ucc.asn.au/hg/dropbear/rev/d7784616409a x_refsource_CONFIRM
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🔗 https://support.citrix.com/article/CTX216642 x_refsource_CONFIRM
Same Patch Batch · n/a · 2013-10-25 · 19 CVEs total
| CVE-2013-6128 | WellinTech KingView ActiveX 控件不安全方法漏洞 | |
| CVE-2013-5549 | Cisco IOS XR Software 拒绝服务漏洞 | |
| CVE-2013-5531 | Cisco Identity Services Engine 远程身份认证绕过漏洞 | |
| CVE-2013-5530 | Cisco ISE Web框架操作系统命令注入漏洞 | |
| CVE-2013-5522 | Cisco Catalyst 3750-X Switches Service Module 权限许可和访问控制漏洞 | |
| CVE-2013-5521 | Cisco ISE 权限许可和访问控制漏洞 | |
| CVE-2013-3280 | EMC RSA Authentication Agent 权限许可和访问控制漏洞 | |
| CVE-2013-6281 | WordPress Spreadsheet插件‘page’参数跨站脚本漏洞 | |
| CVE-2013-6280 | WordPress Social Sharing Toolkit插件跨站脚本漏洞 | |
| CVE-2013-1067 | Apport 安全漏洞 | |
| CVE-2013-6127 | WellinTech KingView ActiveX 多个任意文件覆盖漏洞 | |
| CVE-2013-5424 | IBM Flex System Manager 密码安全绕过漏洞 | |
| CVE-2013-3989 | IBM Security AppScan Enterprise 安全漏洞 | |
| CVE-2013-6283 | VideoLAN VLC Media Player 拒绝服务漏洞 | |
| CVE-2013-4965 | Puppet Enterprise 安全漏洞 | |
| CVE-2013-4957 | Puppet Enterprise Dashboard Report YAML Handling 任意代码执行漏洞 | |
| CVE-2013-4465 | SMF 任意文件上传漏洞 | |
| CVE-2013-4421 | Dropbear SSH ‘buf_decompress()’函数拒绝服务漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2013-4434
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