RealNetworks Helix Universal Server部分POST请求远程拒绝服务漏洞

漏洞信息详情

RealNetworks Helix Universal Server部分POST请求远程拒绝服务漏洞

• CNNVD编号：CNNVD-200411-022
• 危害等级： 高危
  
  
• CVE编号：
  CVE-2004-0774
  
• 漏洞类型：
  
  
  输入验证
  
• 发布时间：
  
  2004-10-07
  
• 威胁类型：
  
  
  远程
  
• 更新时间：
  
  2006-01-05
  
• 厂        商：
  
  realnetworks
• 漏洞来源：
  iDEFENSE Security …

Helix Universal Server是一款由RealNetworks开发和维护的多类型媒体服务器。
Helix Universal Server对部分POST请求字段数据缺少正确处理，远程攻击者可以利用这个漏洞对服务程序进行拒绝服务攻击。
远程攻击者只要发送特殊构建的带Content-Length头设置为\’\’-1\’\’的HTTP POST请求，可导致目标服务程序消耗大量内存和CPU资源，停止对正常服务的响应，产生拒绝服务。

厂商补丁：
Real Networks
————-
目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载：

For Linux:

http://forms.real.com/rnforms/products/servers/download/download.final.html?platform=Linux+version+2.4.18&product=Helix+Universal+Server&program=basic&version=Helix+Universal+Server” target=”_blank”>
http://forms.real.com/rnforms/products/servers/download/download.final.html?platform=Linux+version+2.4.18&product=Helix+Universal+Server&program=basic&version=Helix+Universal+Server

For Sun Solaris:

http://forms.real.com/rnforms/products/servers/download/download.final.html?platform=Sun+Solaris+2.8&product=Helix+Universal+Server&program=basic&version=Helix+Universal+Server” target=”_blank”>
http://forms.real.com/rnforms/products/servers/download/download.final.html?platform=Sun+Solaris+2.8&product=Helix+Universal+Server&program=basic&version=Helix+Universal+Server

For Windows:

http://forms.real.com/rnforms/products/servers/download/download.final.html?platform=Windows+NT+4.0+%26+2000&product=Helix+Universal+Server&program=basic&version=Helix+Universal+Server” target=”_blank”>
http://forms.real.com/rnforms/products/servers/download/download.final.html?platform=Windows+NT+4.0+%26+2000&product=Helix+Universal+Server&program=basic&version=Helix+Universal+Server

或者下载Helix Mobile Universal Server and Gateway (10.04.1226)：

http://service.real.com/pam/” target=”_blank”>
http://service.real.com/pam/

来源: XF
名称: helix-post-dos(17648)
链接:http://xforce.iss.net/xforce/xfdb/17648

来源: IDEFENSE
名称: 20041007 RealNetworks Helix Server Content-Length Denial of Service Vulnerability
链接:http://www.idefense.com/application/poi/display?id=151&type=vulnerabilities