CVE-2017-6900— RIELLO UPS NetMan 信任管理问题漏洞

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An issue was discovered in Riello NetMan 204 14-2 and 15-2. The issue is with the login script and wrongpass Python script used for authentication. When calling wrongpass, the variables $VAL0 and $VAL1 should be enclosed in quotes to prevent the potential for Bash command injection. Further to this, VAL0 and VAL1 should be sanitised to ensure they do not contain malicious characters. Passing it the username of '-' will cause it to time out and log the user in because of poor error handling. This will log the attacker in as an administrator where the telnet / ssh services can be enabled, and the credentials for local users can be reset. Also, login.cgi accepts the username as a GET parameter, so login can be achieved by browsing to the /cgi-bin/login.cgi?username=-%20a URI.

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RIELLO UPS NetMan 信任管理问题漏洞

RIELLO UPS NetMan是意大利RIELLO UPS公司的一款网络适配器。 Riello NetMan 204 14-2和15-2版本中存在安全漏洞。攻击者可利用该漏洞以管理员身份进行登录并重置本地用户凭证。

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