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CVE-2007-4103

Quick assessment

Affected
n/a n/a
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Asterisk是开放源码的软件PBX，支持各种VoIP协议和设备。 如果配置为允许未经认证的呼叫的话，IAX2隧道驱动中存在拒绝服务漏洞。攻击者可以向服务器的有效扩展发送大量NEW报文以非认证用户的身份初始化呼叫，这会导致将Asterisk系统上的资源分配出去；此外IAX2隧道驱动还会一直试图重新调度每个伪造呼叫的中继，导致很快耗尽系统资源，必须重启Asterisk才能恢复正常运行。

AI Predicted 5.3 Difficulty: Easy EPSS 5.94% · P93
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I. Basic Information for CVE-2007-4103

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The IAX2 channel driver (chan_iax2) in Asterisk Open 1.2.x before 1.2.23, 1.4.x before 1.4.9, and Asterisk Appliance Developer Kit before 0.6.0, when configured to allow unauthenticated calls, allows remote attackers to cause a denial of service (resource exhaustion) via a flood of calls that do not complete a 3-way handshake, which causes an ast_channel to be allocated but not released.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Asterisk IAX2隧道驱动拒绝服务攻击漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Asterisk是开放源码的软件PBX，支持各种VoIP协议和设备。 如果配置为允许未经认证的呼叫的话，IAX2隧道驱动中存在拒绝服务漏洞。攻击者可以向服务器的有效扩展发送大量NEW报文以非认证用户的身份初始化呼叫，这会导致将Asterisk系统上的资源分配出去；此外IAX2隧道驱动还会一直试图重新调度每个伪造呼叫的中继，导致很快耗尽系统资源，必须重启Asterisk才能恢复正常运行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- n/a n/a -

II. Public POCs for CVE-2007-4103

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III. Intelligence Information for CVE-2007-4103

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Vendor Advisories for CVE-2007-4103 (8)

Other References for CVE-2007-4103 (3)

Same Patch Batch · n/a · 2007-07-31 · 18 CVEs total

CVE-2007-4108 Online Event Registration Template Sign_In.ASPX SQL注入漏洞
CVE-2007-4116 Metyus Forum Portal Philboard_Forum.ASP SQL注入漏洞
CVE-2007-4115 IT!CMS (itcms) 多个跨站脚本漏洞
CVE-2007-4114 SuskunDuygular ?yelik Sistemi Unuttum.ASP SQL注入漏洞
CVE-2007-4113 Advanced Webhost Billing System 多个漏洞
CVE-2007-4112 Advanced Webhost Billing System 多个漏洞
CVE-2007-4111 Real Estate Listing Website Application Template Login Dialog SQL注入漏洞
CVE-2007-4110 Message Board / Threaded Discussion Forum Sign_In.ASPX SQL注入漏洞
CVE-2007-4109 在线储存应用程序板块 Sign_In.ASPX SQL注入漏洞
CVE-2007-2953 Vim HelpTags命令远程格式串处理漏洞
CVE-2007-4107 phpMyForum EditPost.PHP SQL注入漏洞
CVE-2007-4106 Pay Roll Time Sheet and Punch Card Application With Web UI Login.ASP SQL注入漏洞
CVE-2007-4105 Baidu Soba Search Bar BaiduBar.dll 远程控件执行漏洞
CVE-2007-4104 WordPress WP-FeedStats HTML注入漏洞
CVE-2007-4102 sBLOG Search.PHP 跨站脚本攻击漏洞
CVE-2007-4101 Aplomb Poll Madoa Parameter 多个远程文件包含漏洞
CVE-2007-4100 MLDonkey Country-Based IP Blocking 安全绕过漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2007-4103

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