CVE-2005-0990
CVSS2.1
发布时间 :2005-05-02 00:00:00
修订时间 :2010-08-21 00:27:23
NMCOS    

[原文]unshar (unshar.c) in sharutils 4.2.1 allows local users to overwrite arbitrary files via a symlink attack on the unsh.X temporary file.


[CNNVD]GNU Sharutils Unshar本地不安全临时文件创建漏洞(CNNVD-200505-300)

        sharutils 4.2.1中的unshar(unshar.c)本地用户可以通过对unsh.X临时文件的symlink攻击来重写任意文件。

- CVSS (基础分值)

CVSS分值: 2.1 [轻微(LOW)]
机密性影响: NONE [对系统的机密性无影响]
完整性影响: PARTIAL [可能会导致系统文件被修改]
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)

产品及版本信息(CPE)暂不可用

- OVAL (用于检测的技术细节)

oval:org.mitre.oval:def:9613unshar (unshar.c) in sharutils 4.2.1 allows local users to overwrite arbitrary files via a symlink attack on the unsh.X temporary file.
*OVAL详细的描述了检测该漏洞的方法,你可以从相关的OVAL定义中找到更多检测该漏洞的技术细节。

- 官方数据库链接

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-0990
(官方数据源) MITRE
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2005-0990
(官方数据源) NVD
http://www.cnnvd.org.cn/vulnerability/show/cv_cnnvdid/CNNVD-200505-300
(官方数据源) CNNVD

- 其它链接及资源

http://xforce.iss.net/xforce/xfdb/19957
(PATCH)  XF  sharutils-temp-file-symlink(19957)
http://www.redhat.com/support/errata/RHSA-2005-377.html
(VENDOR_ADVISORY)  REDHAT  RHSA-2005:377
https://bugzilla.ubuntu.com/show_bug.cgi?id=8459
(VENDOR_ADVISORY)  MISC  https://bugzilla.ubuntu.com/show_bug.cgi?id=8459
http://www.ubuntulinux.org/support/documentation/usn/usn-104-1
(VENDOR_ADVISORY)  UBUNTU  USN-104-1
http://www.securityfocus.com/bid/12981
(UNKNOWN)  BID  12981
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=302412
(VENDOR_ADVISORY)  MISC  http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=302412

- 漏洞信息

GNU Sharutils Unshar本地不安全临时文件创建漏洞
低危 设计错误
2005-05-02 00:00:00 2005-10-20 00:00:00
本地  
        sharutils 4.2.1中的unshar(unshar.c)本地用户可以通过对unsh.X临时文件的symlink攻击来重写任意文件。

- 公告与补丁

        暂无数据

- 漏洞信息

15260
GNU sharutils unshar Symlink Arbitrary File Overwrite
Local Access Required Race Condition

- 漏洞描述

Unknown or Incomplete

- 时间线

2005-04-04 Unknow
Unknow Unknow

- 解决方案

Unknown or Incomplete

- 相关参考

- 漏洞作者

Unknown or Incomplete

- 漏洞信息

GNU Sharutils Unshar Local Insecure Temporary File Creation Vulnerability
Design Error 12981
No Yes
2005-04-04 12:00:00 2007-02-21 10:56:00
Joey Hess is credited with the discovery of this issue.

- 受影响的程序版本

SGI ProPack 3.0
RedHat Linux 9.0 i386
RedHat Linux 7.3 i686
RedHat Linux 7.3 i386
RedHat Linux 7.3
RedHat Enterprise Linux WS 4
RedHat Enterprise Linux WS 3
RedHat Enterprise Linux WS 2.1 IA64
RedHat Enterprise Linux WS 2.1
RedHat Enterprise Linux ES 4
RedHat Enterprise Linux ES 3
RedHat Enterprise Linux ES 2.1 IA64
RedHat Enterprise Linux ES 2.1
RedHat Desktop 4.0
RedHat Desktop 3.0
RedHat Advanced Workstation for the Itanium Processor 2.1 IA64
RedHat Advanced Workstation for the Itanium Processor 2.1
Red Hat Fedora Core2
Red Hat Fedora Core1
Red Hat Enterprise Linux AS 4
Red Hat Enterprise Linux AS 3
Red Hat Enterprise Linux AS 2.1 IA64
Red Hat Enterprise Linux AS 2.1
GNU sharutils 4.2.1
+ Gentoo Linux 1.4 _rc3
+ Gentoo Linux 1.4 _rc2
+ Gentoo Linux 1.4 _rc1
+ Gentoo Linux 1.4
+ HP Secure OS software for Linux 1.0
+ MandrakeSoft Corporate Server 3.0 x86_64
+ MandrakeSoft Corporate Server 3.0
+ MandrakeSoft Corporate Server 2.1 x86_64
+ MandrakeSoft Corporate Server 2.1
+ Mandriva Linux Mandrake 10.1 x86_64
+ Mandriva Linux Mandrake 10.1
+ Mandriva Linux Mandrake 10.0 AMD64
+ Mandriva Linux Mandrake 10.0
+ Red Hat Fedora Core3
+ RedHat Linux 7.2 ia64
+ RedHat Linux 7.2 i386
+ RedHat Linux 7.1 ia64
+ RedHat Linux 7.1 i386
+ RedHat Linux 7.1 alpha
+ RedHat Linux 7.0 i386
+ RedHat Linux 7.0 alpha
+ RedHat Linux 6.2 sparc
+ RedHat Linux 6.2 i386
+ RedHat Linux 6.2 alpha
+ Turbolinux Appliance Server 1.0 Workgroup Edition
+ Turbolinux Appliance Server 1.0 Hosting Edition
+ Turbolinux Appliance Server Hosting Edition 1.0
+ Turbolinux Appliance Server Workgroup Edition 1.0
+ Turbolinux Home
+ Turbolinux Turbolinux 10 F...
+ Turbolinux Turbolinux Desktop 10.0
+ Turbolinux Turbolinux Server 8.0
+ Turbolinux Turbolinux Server 7.0
+ Turbolinux Turbolinux Workstation 8.0
+ Turbolinux Turbolinux Workstation 7.0
+ Ubuntu Ubuntu Linux 4.1 ppc
+ Ubuntu Ubuntu Linux 4.1 ia64
+ Ubuntu Ubuntu Linux 4.1 ia32
GNU sharutils 4.2
+ Caldera OpenUnix 8.0
+ Caldera UnixWare 7.1.1
+ HP Secure OS software for Linux 1.0
+ RedHat Linux 7.2 ia64
+ RedHat Linux 7.2 i386
+ RedHat Linux 7.1 ia64
+ RedHat Linux 7.1 i386
+ RedHat Linux 7.1 alpha
+ RedHat Linux 7.0 i386
+ RedHat Linux 7.0 alpha
+ RedHat Linux 6.2 sparc
+ RedHat Linux 6.2 i386
+ RedHat Linux 6.2 alpha
Avaya S8710 R2.0.1
Avaya S8710 R2.0.0
Avaya S8700 R2.0.1
Avaya S8700 R2.0.0
Avaya S8500 R2.0.1
Avaya S8500 R2.0.0
Avaya S8300 R2.0.1
Avaya S8300 R2.0.0
Avaya Modular Messaging (MSS) 2.0
Avaya Modular Messaging (MSS) 1.1
Avaya MN100
Avaya Intuity LX
Avaya Converged Communications Server 2.0

- 漏洞讨论

The GNU Sharutils 'unshar' utility creates temporary files in an insecure manner. A design error allows a file to be insecurely opened or created and subsequently written to.

A local attacker may leverage this issue to corrupt arbitrary files with the privileges of an unsuspecting user that activates the affected application.

- 漏洞利用

No exploit is required to leverage this issue.

- 解决方案

Please see referenced advisories for more information.


GNU sharutils 4.2.1

- 相关参考

 

 

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