Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
chan_sip.c in the SIP channel driver in Asterisk Open Source 1.4.x before 1.4.41.2, 1.6.2.x before 1.6.2.18.2, and 1.8.x before 1.8.4.4, and Asterisk Business Edition C.3.x before C.3.7.3, disregards the alwaysauthreject option and generates different responses for invalid SIP requests depending on whether the user account exists, which allows remote attackers to enumerate account names via a series of requests.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Digium Asterisk SIP请求用户枚举漏洞
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 1.4.41.2之前的1.4.x版本，1.6.2.18.2之前的1.6.2.x版本和1.8.4.4之前的1.8.x版本，以及Asterisk Business Edition C.3.7.3之前的C.3.x版本的SIP信道驱动程序中的chan_sip.c忽视了alwaysauthreject选项并依据用户账户
CVSS Information
N/A
Vulnerability Type
N/A