Vera VeraEdge和Veralite代码执行漏洞

CVE编号

CVE-2017-9387

利用情况

暂无

补丁情况

N/A

披露时间

2019-06-18

漏洞描述

An issue was discovered on Vera VeraEdge 1.7.19 and Veralite 1.7.481 devices. The device provides a shell script called relay.sh which is used for creating new SSH relays for the device so that the device connects to Vera servers. All the parameters passed in this specific script are logged to a log file called log.relay in the /tmp folder. The user can also read all the log files from the device using a script called log.sh. However, when the script loads the log files it displays them with content-type text/html and passes all the logs through the ansi2html binary which converts all the character text including HTML meta-characters correctly to be displayed in the browser. This allows an attacker to use the log files as a storing mechanism for the XSS payload and thus whenever a user navigates to that log.sh script, it enables the XSS payload and allows an attacker to execute his malicious payload on the user's browser.

解决建议

建议您更新当前系统或软件至最新版，完成漏洞的修复。

参考链接
https://github.com/ethanhunnt/IoT_vulnerabilities/blob/master/Vera_sec_issues.pdf
https://seclists.org/bugtraq/2019/Jun/8

受影响软件情况

#	类型	厂商	产品	版本	影响面
1
	运行在以下环境
	系统	getvera	veraedge_firmware	*		Up to (including) 1.7.19
	运行在以下环境
	系统	getvera	veralite_firmware	*		Up to (including) 1.7.481
	运行在以下环境
	硬件	getvera	veraedge	-	-
	运行在以下环境
	硬件	getvera	veralite	-	-

CVSS3评分 5.4

• 攻击路径 网络
• 攻击复杂度 低
• 权限要求 低
• 影响范围 已更改
• 用户交互 需要
• 可用性 无
• 保密性 低
• 完整性 低

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N CWE-ID 漏洞类型 CWE-79 在Web页面生成时对输入的转义处理不恰当（跨站脚本）