CVE-2001-0816
CVSS7.5
发布时间 :2001-12-06 00:00:00
修订时间 :2008-09-05 16:24:59
NMCO    

[原文]OpenSSH before 2.9.9, when running sftp using sftp-server and using restricted keypairs, allows remote authenticated users to bypass authorized_keys2 command= restrictions using sftp commands.


[CNNVD]OpenSSH漏洞(CNNVD-200112-009)

        OpenSSH 2.9.9版本在使用sftp-server和受限制的keypairs运行时存在漏洞。远程认证用户使用sftp命令绕过authorized_keys2命令限制。

- CVSS (基础分值)

CVSS分值: 7.5 [严重(HIGH)]
机密性影响: PARTIAL [很可能造成信息泄露]
完整性影响: PARTIAL [可能会导致系统文件被修改]
可用性影响: PARTIAL [可能会导致性能下降或中断资源访问]
攻击复杂度: LOW [漏洞利用没有访问限制 ]
攻击向量: [--]
身份认证: NONE [漏洞利用无需身份认证]

- CPE (受影响的平台与产品)

产品及版本信息(CPE)暂不可用

- OVAL (用于检测的技术细节)

未找到相关OVAL定义

- 官方数据库链接

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2001-0816
(官方数据源) MITRE
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2001-0816
(官方数据源) NVD
http://www.cnnvd.org.cn/vulnerability/show/cv_cnnvdid/CNNVD-200112-009
(官方数据源) CNNVD

- 其它链接及资源

http://archives.neohapsis.com/archives/bugtraq/2001-09/0153.html
(VENDOR_ADVISORY)  BUGTRAQ  20010918 OpenSSH: sftp & bypassing keypair auth restrictions
http://xforce.iss.net/static/7634.php
(UNKNOWN)  XF  openssh-sftp-bypass-restrictions(7634)
http://www.redhat.com/support/errata/RHSA-2001-154.html
(UNKNOWN)  REDHAT  RHSA-2001:154
http://www.osvdb.org/5536
(UNKNOWN)  OSVDB  5536
http://download.immunix.org/ImmunixOS/7.0/updates/IMNX-2001-70-034-01
(UNKNOWN)  IMMUNIX  IMNX-2001-70-034-01
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000431
(UNKNOWN)  CONECTIVA  CLSA-2001:431

- 漏洞信息

OpenSSH漏洞
高危 未知
2001-12-06 00:00:00 2006-03-28 00:00:00
远程  
        OpenSSH 2.9.9版本在使用sftp-server和受限制的keypairs运行时存在漏洞。远程认证用户使用sftp命令绕过authorized_keys2命令限制。

- 公告与补丁

        

- 漏洞信息

5536
OpenSSH sftp-server Restricted Keypair Restriction Bypass
Local Access Required, Remote / Network Access Input Manipulation, Misconfiguration
Loss of Confidentiality, Loss of Integrity, Loss of Availability
Exploit Public

- 漏洞描述

OpenSSH contains a flaw that may allow a malicious user to bypass access restrictions imposed through the command= keyword for restricted keypairs using authorized_keys2. The issue is triggered when a user logging in via a restricted keypair uses the sftp subsystem to execute commands on the affected server, potentially including file retrieval, replacement, deletion, or permission and ownership alteration. It is possible that the flaw may allow a bypass of the original access restrictions, resulting in a loss of confidentiality, integrity, and/or availability.

- 时间线

2001-09-18 Unknow
2001-09-18 Unknow

- 解决方案

Upgrade to version 2.9.9 or higher, as it has been reported to fix this vulnerability. It is also possible to correct the flaw by applying the vendor-supplied patch, or by disabling the sftp subsystem.

- 相关参考

- 漏洞作者

 

 

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