发布时间 :2005-01-24 00:00:00
修订时间 :2008-09-10 15:34:51

[原文]zhcon before 0.2 does not drop privileges before reading a user configuration file, which allows local users to read arbitrary files.

[CNNVD]zhcon 配置文件 信息泄露(CNNVD-200501-268)

        zhcon 0.2之前版本中存在信息泄露漏洞。

- CVSS (基础分值)

CVSS分值: 2.1 [轻微(LOW)]
机密性影响: PARTIAL [很可能造成信息泄露]
完整性影响: NONE [不会对系统完整性产生影响]
可用性影响: NONE [对系统可用性无影响]
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)


- OVAL (用于检测的技术细节)


- 官方数据库链接
(官方数据源) MITRE
(官方数据源) NVD
(官方数据源) CNNVD

- 其它链接及资源
(VENDOR_ADVISORY)  XF  zhcon-information-disclosure(19045)
(UNKNOWN)  BID  12343

- 漏洞信息

zhcon 配置文件 信息泄露
低危 访问验证错误
2005-01-24 00:00:00 2005-10-20 00:00:00
        zhcon 0.2之前版本中存在信息泄露漏洞。

- 公告与补丁


- 漏洞信息 (F35895)

dsa-655.txt (PacketStormID:F35895)
2005-01-26 00:00:00

Debian Security Advisory 655-1 - zhcon accesses a user-controlled configuration file with elevated privileges. Thus, it is possible to read arbitrary files.

Hash: SHA1

- --------------------------------------------------------------------------
Debian Security Advisory DSA 655-1                                        Martin Schulze
January 25th, 2005               
- --------------------------------------------------------------------------

Package        : zhcon
Vulnerability  : missing privilege release
Problem-Type   : local
Debian-specific: no
CVE ID         : CAN-2005-0072

Erik Sj    

- 漏洞信息

zhcon Arbitrary File Disclosure
Local Access Required Information Disclosure
Loss of Confidentiality
Exploit Unknown

- 漏洞描述

zhcon contains a flaw that may lead to an unauthorized information disclosure. The issue is triggered when zhcon accesses a configuration file supplied by the user with escalated privileges occurs, which will disclose arbitrary files information resulting in a loss of confidentiality.

- 时间线

2005-01-25 Unknow
Unknow Unknow

- 解决方案

Currently, there are no known upgrades or patches to correct this issue. It is possible to correct the flaw by implementing the following workaround(s): remove the setuid bit from zhcon.

- 相关参考

- 漏洞作者

- 漏洞信息

ZHCon Unauthorized File Disclosure Vulnerability
Access Validation Error 12343
No Yes
2005-01-24 12:00:00 2009-07-12 10:06:00
Discovery of this vulnerability is credited to Erik Sjolund.

- 受影响的程序版本

zhcon zhcon 0.2.3
+ Mandriva Linux Mandrake 10.1 x86_64
+ Mandriva Linux Mandrake 10.1
+ Mandriva Linux Mandrake 10.0 AMD64
+ Mandriva Linux Mandrake 10.0
zhcon zhcon 0.2.2
zhcon zhcon 0.2.1
zhcon zhcon 0.2
+ Debian Linux 3.0 sparc
+ Debian Linux 3.0 s/390
+ Debian Linux 3.0 ppc
+ Debian Linux 3.0 mipsel
+ Debian Linux 3.0 mips
+ Debian Linux 3.0 m68k
+ Debian Linux 3.0 ia-64
+ Debian Linux 3.0 ia-32
+ Debian Linux 3.0 hppa
+ Debian Linux 3.0 arm
+ Debian Linux 3.0 alpha
+ Debian Linux 3.0

- 漏洞讨论

zhcon is reportedly affected by a vulnerability allowing reading of arbitrary files with escalated privileges. This could permit an unauthorized user to read arbitrary files owned by other users without authorization. Disclosure of sensitive information may lead to a system compromise, or aid in other attacks.

This issue is reported to affect zhcon version 0.2.3; earlier versions may also be affected.

- 漏洞利用

Currently we are not aware of any exploits for this issue. If you feel we are in error or are aware of more recent information, please mail us at: <>.

- 解决方案

Mandrake has released MDKSA-2005:012 addressing this issue. Please see the referenced advisory for more information.

Debian Linux has released advisory DSA 655-1 along with fixes dealing with this issue. Please see the referenced advisory for more information.

zhcon zhcon 0.2

zhcon zhcon 0.2.3

- 相关参考