CVE-2011-4327
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I. Basic Information for CVE-2011-4327
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
ssh-keysign.c in ssh-keysign in OpenSSH before 5.8p2 on certain platforms executes ssh-rand-helper with unintended open file descriptors, which allows local users to obtain sensitive key information via the ptrace system call.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
OpenSSH 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenSSH（OpenBSD Secure Shell）是OpenBSD计划组所维护的一套用于安全访问远程计算机的连接工具。该工具是SSH协议的开源实现，支持对所有的传输进行加密，可有效阻止窃听、连接劫持以及其他网络级的攻击。 OpenSSH 5.8及之前的版本中的ssh-keysign的ssh-keysign.c文件中的存在信息泄露漏洞。当使用‘ssh-rand-helper’时，本地攻击者可通过ptrace系统调用利用该漏洞获取敏感密钥信息。
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-2011-4327
| # | POC Description | Source Link | Shenlong Link |
|---|
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- http://www.openssh.com/txt/portable-keysign-rand-helper.advx_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2011-4327
Same Patch Batch · n/a · 2014-02-03 · 5 CVEs total
| CVE-2012-2249 | Tor 拒绝服务漏洞 | |
| CVE-2012-2250 | Tor 安全漏洞 | |
| CVE-2013-4738 | MSM摄像头驱动基于栈的缓冲区溢出漏洞 | |
| CVE-2013-4739 | MSM摄像头驱动信息泄露漏洞 |
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V. Comments for CVE-2011-4327
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