CVE-2000-0456
CVSS2.1
发布时间 :2000-05-28 00:00:00
修订时间 :2008-09-10 15:04:43
NMCO    

[原文]NetBSD 1.4.2 and earlier allows local users to cause a denial of service by repeatedly running certain system calls in the kernel which do not yield the CPU, aka "cpu-hog".


[CNNVD]NetBSD "cpu-hog"拒绝服务漏洞(CNNVD-200005-099)

        NetBSD 1.4.2和更早版本存在漏洞。本地用户通过重复运行内核中某些不服从CPU的系统调用导致拒绝服务,又称为"cpu-hog"。

- 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:netbsd:netbsd:1.4.2::arm32
cpe:/o:netbsd:netbsd:1.4.1::sparc
cpe:/o:netbsd:netbsd:1.4.1::arm32
cpe:/o:netbsd:netbsd:1.4.2::sparc
cpe:/o:netbsd:netbsd:1.4.2::alpha
cpe:/o:netbsd:netbsd:1.4.2::x86
cpe:/o:netbsd:netbsd:1.4.1::alpha
cpe:/o:netbsd:netbsd:1.4.1::x86

- 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-2000-0456
(官方数据源) MITRE
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2000-0456
(官方数据源) NVD
http://www.cnnvd.org.cn/vulnerability/show/cv_cnnvdid/CNNVD-200005-099
(官方数据源) CNNVD

- 其它链接及资源

http://www.securityfocus.com/bid/1272
(UNKNOWN)  BID  1272
http://www.osvdb.org/1365
(UNKNOWN)  OSVDB  1365
ftp://ftp.netbsd.org/pub/NetBSD/misc/security/advisories/NetBSD-SA2000-005.txt.asc
(UNKNOWN)  NETBSD  NetBSD-SA2000-005

- 漏洞信息

NetBSD "cpu-hog"拒绝服务漏洞
低危 其他
2000-05-28 00:00:00 2005-10-12 00:00:00
本地  
        NetBSD 1.4.2和更早版本存在漏洞。本地用户通过重复运行内核中某些不服从CPU的系统调用导致拒绝服务,又称为"cpu-hog"。

- 公告与补丁

        From the advisory:
        For NetBSD 1.4, 1.4.1, and 1.4.2: A patch is available in
        ftp://ftp.NetBSD.ORG/pub/NetBSD/misc/security/patches/20000527-yield
        For NetBSD-current:
        NetBSD-current since 20000420 contains all the fixes, and is not vulnerable. Users of NetBSD-current should upgrade to a source tree dated 20000420 or later.

- 漏洞信息

1365
NetBSD cpu-hog Local System Call DoS
Local Access Required Denial of Service
Loss of Availability
Exploit Public

- 漏洞描述

NetBSD contains a flaw that may allow a local denial of service. The issue is triggered when a malicious user tricks a system call into running for an extended period of time, and will result in loss of availability for the platform.

- 时间线

2000-05-28 Unknow
2000-05-28 Unknow

- 解决方案

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

- 相关参考

- 漏洞作者

 

 

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