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CVE-2011-2666

EPSS 0.59% · P69
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I. Basic Information for CVE-2011-2666

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
The default configuration of the SIP channel driver in Asterisk Open Source 1.4.x through 1.4.41.2 and 1.6.2.x through 1.6.2.18.2 does not enable the alwaysauthreject option, which allows remote attackers to enumerate account names by making a series of invalid SIP requests and observing the differences in the responses for different usernames, a different vulnerability than CVE-2011-2536.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Digium Asterisk SIP信道驱动程序默认配置用户名枚举漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Digium Asterisk是美国Digium公司的一套开源的电话交换机（PBX）系统软件。该软件支持语音信箱、多方语音会议、交互式语音应答(IVR)等。 Asterisk Open Source 1.4.x至1.4.41.2版本和1.6.2.x至1.6.2.18.2版本的SIP信道驱动程序的默认配置没有启用alwaysauthreject选项。远程攻击者可以通过发起一系列无效SIP请求并观察不同用户名响应中的差异枚举账户名。
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

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II. Public POCs for CVE-2011-2666

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III. Intelligence Information for CVE-2011-2666

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Same Patch Batch · n/a · 2011-07-06 · 5 CVEs total

CVE-2011-2529Digium Asterisk SIP信道驱动程序chan_sip.c内存破坏漏洞
CVE-2011-2535Digium Asterisk IAX2信道驱动程序chan_iax2.c拒绝服务漏洞
CVE-2011-2536Digium Asterisk SIP请求用户枚举漏洞
CVE-2011-2665Digium Asterisk SIP信道驱动程序reqresp_parser.c拒绝服务漏洞

IV. Related Vulnerabilities

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

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