CVE-2000-0546
CVSS5.0
发布时间 :2000-06-09 00:00:00
修订时间 :2008-09-10 15:05:01
NMCOS    

[原文]Buffer overflow in Kerberos 4 KDC program allows remote attackers to cause a denial of service via the lastrealm variable in the set_tgtkey function.


[CNNVD]Kerberos4 KDC AUTH_MSG_KDC_REQUEST无效终止漏洞(CNNVD-200006-043)

        Kerberos 4 KDC程序存在缓冲区溢出漏洞。远程攻击者借助set_tgtkey函数中lastrealm变量导致拒绝服务。

- CVSS (基础分值)

CVSS分值: 5 [中等(MEDIUM)]
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: [--]
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:/a:mit:kerberos:4.0MIT Kerberos 4 4.0
cpe:/a:mit:kerberos:5_1.1.1MIT Kerberos 5 1.1.1
cpe:/a:mit:kerberos:5_1.1MIT Kerberos 5 1.1
cpe:/a:mit:kerberos:5_1.0MIT Kerberos 5 krb5_1.0
cpe:/a:cygnus:kerbnet
cpe:/a:cygnus:cygnus_network_security

- 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-2000-0546
(官方数据源) MITRE
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2000-0546
(官方数据源) NVD
http://www.cnnvd.org.cn/vulnerability/show/cv_cnnvdid/CNNVD-200006-043
(官方数据源) CNNVD

- 其它链接及资源

http://www.cert.org/advisories/CA-2000-11.html
(VENDOR_ADVISORY)  CERT  CA-2000-11
http://archives.neohapsis.com/archives/bugtraq/2000-06/0064.html
(VENDOR_ADVISORY)  BUGTRAQ  20000609 Security Advisory: MULTIPLE DENIAL OF SERVICE VULNERABILITIES IN KRB4 KDC
http://www.securityfocus.com/bid/1338
(UNKNOWN)  BID  1338
http://web.mit.edu/kerberos/www/advisories/krb4kdc.txt
(UNKNOWN)  CONFIRM  http://web.mit.edu/kerberos/www/advisories/krb4kdc.txt
http://ciac.llnl.gov/ciac/bulletins/k-051.shtml
(UNKNOWN)  CIAC  K-051

- 漏洞信息

Kerberos4 KDC AUTH_MSG_KDC_REQUEST无效终止漏洞
中危 缓冲区溢出
2000-06-09 00:00:00 2005-10-20 00:00:00
远程  
        Kerberos 4 KDC程序存在缓冲区溢出漏洞。远程攻击者借助set_tgtkey函数中lastrealm变量导致拒绝服务。

- 公告与补丁

        Patches and the MIT advisory are available at:
        http://web.mit.edu/kerberos/www/advisories/index.html

- 漏洞信息

4871
MIT Kerberos lastrealm Variable Overflow
Remote / Network Access Denial of Service, Input Manipulation
Loss of Integrity, Loss of Availability
Exploit Unknown

- 漏洞描述

- 时间线

2000-06-09 2000-06-09
Unknow Unknow

- 解决方案

Products

Unknown or Incomplete

- 相关参考

- 漏洞作者

- 漏洞信息

Kerberos4 KDC AUTH_MSG_KDC_REQUEST NULL termination Vulnerability
Failure to Handle Exceptional Conditions 1338
Yes No
2000-06-09 12:00:00 2009-07-11 02:56:00
First posted to Bugtraq by Tom Yu <tlyu@mit.edu> on June 9, 2000.

- 受影响的程序版本

MIT Kerberos 5 5.0 -1.1.1
MIT Kerberos 5 5.0 -1.1
MIT Kerberos 5 5.0 -1.0.x
MIT Kerberos 4 4.0 patch 10
Cygnus KerbNet 5.0 .x
Cygnus Cygnus Network Security 4.0 .x
KTH Kerberos 4 1.0 .x
KTH Heimdal 0.2 a-t
KTH Heimdal 0.1 a-m

- 不受影响的程序版本

KTH Kerberos 4 1.0 .x
KTH Heimdal 0.2 a-t
KTH Heimdal 0.1 a-m

- 漏洞讨论

Kerberos4 KDC and Kerberos5 KDC enabled to serve Kerberos4 tickets are vulnerable to a denial of service. The code that services AUTH_MSG_KDC_REQUESTs does not properly check for null-termination.

- 漏洞利用

Currently the SecurityFocus staff 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: vuldb@securityfocus.com.

- 解决方案

Patches and the MIT advisory are available at:

http://web.mit.edu/kerberos/www/advisories/index.html

- 相关参考

 

 

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