CVE-2005-2100
CVSS2.1
发布时间 :2005-10-25 13:06:00
修订时间 :2010-08-21 00:30:11
NMCO    

[原文]The rw_vm function in usercopy.c in the 4GB split patch for the Linux kernel in Red Hat Enterprise Linux 4 does not perform proper bounds checking, which allows local users to cause a denial of service (crash).


[CNNVD]Red Hat Enterprise Linux 边界检查拒绝服务漏洞(CNNVD-200510-201)

        Red Hat Enterprise Linux 4中Linux kernel的4GB分离补丁中的usercopy.c的rw_vm函数不能执行正确的边界检查,可以使本地用户引起拒绝服务(崩溃)。

- 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: NONE [不会对系统完整性产生影响]
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: 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)

cpe:/o:redhat:enterprise_linux_desktop:4.0Red Hat Desktop 4.0
cpe:/o:redhat:enterprise_linux:4.0::advanced_server
cpe:/o:redhat:enterprise_linux:4.0::enterprise_server
cpe:/o:redhat:enterprise_linux:4.0::workstation

- OVAL (用于检测的技术细节)

oval:org.mitre.oval:def:11556The rw_vm function in usercopy.c in the 4GB split patch for the Linux kernel in Red Hat Enterprise Linux 4 does not perform proper bounds ch...
*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-2005-2100
(官方数据源) MITRE
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2005-2100
(官方数据源) NVD
http://www.cnnvd.org.cn/vulnerability/show/cv_cnnvdid/CNNVD-200510-201
(官方数据源) CNNVD

- 其它链接及资源

https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=165547
(PATCH)  CONFIRM  https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=165547
http://www.redhat.com/support/errata/RHSA-2005-514.html
(VENDOR_ADVISORY)  REDHAT  RHSA-2005:514
http://secunia.com/advisories/17073
(UNKNOWN)  SECUNIA  17073

- 漏洞信息

Red Hat Enterprise Linux 边界检查拒绝服务漏洞
低危 未知
2005-10-25 00:00:00 2005-10-31 00:00:00
本地  
        Red Hat Enterprise Linux 4中Linux kernel的4GB分离补丁中的usercopy.c的rw_vm函数不能执行正确的边界检查,可以使本地用户引起拒绝服务(崩溃)。

- 公告与补丁

        

- 漏洞信息

20424
Red Hat Enterprise Linux Kernel usercopy.c rw_vm() Function Local Overflow DoS
Local Access Required Denial of Service, Input Manipulation
Loss of Integrity, Loss of Availability
Exploit Unknown Vendor Verified

- 漏洞描述

A local overflow exists in the kernel of Red Hat Enterprise Linux. The 'rw_vm()' function in 'usercopy.c' fails to perform proper bounds checking resulting in a buffer overflow. With a specially crafted request, a malicious user can cause the kernel to crash resulting in a loss of availability.

- 时间线

2005-08-10 Unknow
Unknow Unknow

- 解决方案

Currently, there are no known workarounds or upgrades to correct this issue. However, Red Hat has released a patch to address this vulnerability.

- 相关参考

- 漏洞作者

Unknown or Incomplete
 

 

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