CVE-2001-0529
CVSS7.2
 发布时间 :2001-08-14 00:00:00
修订时间 :2008-09-05 16:24:19
NMCO    

[原文]OpenSSH version 2.9 and earlier, with X forwarding enabled, allows a local attacker to delete any file named 'cookies' via a symlink attack.

[CNNVD]OpenSSH删除任意文件名'cookies'漏洞(CNNVD-200108-047)

        OpenSSH 2.9及其早期版本存在漏洞。当X转送启用时，本地攻击者借助一个符号链接攻击删除任意文件名'cookies'。

- CVSS (基础分值)

CVSS分值: 7.2 [严重(HIGH)]
机密性影响: COMPLETE [完全的信息泄露导致所有系统文件暴露]
完整性影响: COMPLETE [系统完整性可被完全破坏]
可用性影响: COMPLETE [可能导致系统完全宕机]
攻击复杂度: LOW [漏洞利用没有访问限制 ]
攻击向量: LOCAL [漏洞利用需要具有物理访问权限或本地帐户]
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-2001-0529
(官方数据源) MITRE
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2001-0529
(官方数据源) NVD
http://www.cnnvd.org.cn/vulnerability/show/cv_cnnvdid/CNNVD-200108-047
(官方数据源) CNNVD

- 其它链接及资源

http://www.kb.cert.org/vuls/id/655259
(UNKNOWN)  CERT-VN  VU#655259
http://www.securityfocus.com/bid/2825
(VENDOR_ADVISORY)  BID  2825
ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2001-010.txt.asc
(VENDOR_ADVISORY)  NETBSD  NetBSD-SA2001-010
http://www.calderasystems.com/support/security/advisories/CSSA-2001-023.0.txt
(VENDOR_ADVISORY)  CALDERA  CSSA-2001-023.0
http://archives.neohapsis.com/archives/bugtraq/2001-06/0007.html
(VENDOR_ADVISORY)  BUGTRAQ  20010604 Re: SSH allows deletion of other users files...
http://archives.neohapsis.com/archives/bugtraq/2001-05/0322.html
(VENDOR_ADVISORY)  BUGTRAQ  20010604 SSH allows deletion of other users files...
http://xforce.iss.net/static/6676.php
(UNKNOWN)  XF  openssh-symlink-file-deletion(6676)
http://www.osvdb.org/1853
(UNKNOWN)  OSVDB  1853
http://www.openbsd.org/errata29.html
(UNKNOWN)  OPENBSD  20010612
http://online.securityfocus.com/archive/1/188737
(UNKNOWN)  BUGTRAQ  20010605 OpenSSH_2.5.2p2 RH7.0 <- version info
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  CLA-2001:431

- 漏洞信息

OpenSSH删除任意文件名'cookies'漏洞
高危 未知
2001-08-14 00:00:00 2006-03-28 00:00:00
本地  
        OpenSSH 2.9及其早期版本存在漏洞。当X转送启用时，本地攻击者借助一个符号链接攻击删除任意文件名'cookies'。

- 公告与补丁

        

- 漏洞信息

1853
OpenSSH Symbolic Link 'cookies' File Removal
Local Access Required Race Condition
Loss of Availability
Exploit Public

- 漏洞描述

OpenSSH versions 2.9 and earlier contains a flaw that, with X forwarding enabled, may allow a malicious local user to delete any file named 'cookies' via a symlink attack. The issue is triggered when X forwarding is enabled and the user is able to delete their cookies file and make a symlink linking the cookies file of another user to their temp directory. It is possible that the flaw may allow the users to delete the cookies files of others when logging out, resulting in a loss of availability of that file.

- 时间线

2001-06-04 Unknow
2001-06-04 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 turning off X11 forwarding.

- 相关参考

- 漏洞作者

 

 

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