严重 Apache Struts2 2.0.4 ～2.3.34, 2.5.0 ～ 2.5.16 远程命令执行漏洞（S2-057）

CVE编号

CVE-2018-11776

利用情况

漏洞武器化

补丁情况

官方补丁

披露时间

2018-08-23

漏洞描述

Struts2是Apache软件基金会负责维护的一个基于MVC设计模式的Web应用框架开源项目。 Apache Struts2存在S2-057远程代码执行漏洞。漏洞触发条件：1、定义XML配置时namespace值未设置且上层动作配置（Action Configuration）中未设置或用通配符namespace。2、url标签未设置value和action值且上层动作未设置或用通配符namespace。攻击者可利用漏洞执行RCE攻击。

解决建议

用户可参考如下厂商提供的安全公告获取补丁以修复该漏洞： https://cwiki.apache.org/confluence/display/WW/S2-057?tdsourcetag=s_pcqq_aiomsg

参考链接
http://packetstormsecurity.com/files/172830/Apache-Struts-Remote-Code-Execution.html
http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2018-005.txt
http://www.oracle.com/technetwork/security-advisory/alert-cve-2018-11776-5072787.html
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
http://www.securityfocus.com/bid/105125
http://www.securitytracker.com/id/1041547
http://www.securitytracker.com/id/1041888
https://cwiki.apache.org/confluence/display/WW/S2-057
https://github.com/hook-s3c/CVE-2018-11776-Python-PoC
https://lgtm.com/blog/apache_struts_CVE-2018-11776
https://lists.apache.org/thread.html/r6d03e45b81eab03580cf7f8bb51cb3e9a1b10a2...
https://lists.apache.org/thread.html/r6d03e45b81eab03580cf7f8bb51cb3e9a1b10a2...
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0012
https://security.netapp.com/advisory/ntap-20180822-0001/
https://security.netapp.com/advisory/ntap-20181018-0002/
https://www.exploit-db.com/exploits/45260/
https://www.exploit-db.com/exploits/45262/
https://www.exploit-db.com/exploits/45367/
https://www.oracle.com/security-alerts/cpujul2020.html
https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html

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
	应用	apache	struts	*	From (including) 2.3.1	Up to (including) 2.3.34
	运行在以下环境
	应用	apache	struts	*	From (including) 2.5.0	Up to (including) 2.5.16

阿里云评分 9.3

• 攻击路径 远程
• 攻击复杂度 复杂
• 权限要求 无需权限
• 影响范围 全局影响
• EXP成熟度 漏洞武器化
• 补丁情况 官方补丁
• 数据保密性 无影响
• 数据完整性 传输被破坏
• 服务器危害 服务器失陷
• 全网数量 10000

CWE-ID	漏洞类型
CWE-20	输入验证不恰当

Exp相关链接

• https://github.com/649/Apache-Struts-Shodan-Exploit
• https://github.com/bhdresh/CVE-2018-11776
• https://github.com/brianwrf/S2-057-CVE-2018-11776
• https://github.com/cucadili/CVE-2018-11776
• https://github.com/cved-sources/cve-2018-11776
• https://github.com/Ekultek/Strutter
• https://github.com/freshdemo/ApacheStruts-CVE-2018-11776
• https://github.com/hook-s3c/CVE-2018-11776-Python-PoC
• https://github.com/jezzus/CVE-2018-11776-Python-PoC
• https://github.com/jiguangin/CVE-2018-11776
• https://github.com/knqyf263/CVE-2018-11776
• https://github.com/LightC0der/Apache-Struts-0Day-Exploit
• https://github.com/mazen160/struts-pwn_CVE-2018-11776
• https://github.com/OzNetNerd/apche-struts-vuln-demo-cve-2018-11776
• https://github.com/trbpnd/CVE-2018-11776
• https://github.com/tuxotron/cve-2018-11776-docker
• https://github.com/vulhub/vulhub/tree/master/struts2/s2-057
• https://github.com/xfox64x/CVE-2018-11776
• https://gitlab.com/drent/S2-057-CVE-2018-11776
• https://rapidsafeguard.medium.com/cve-2018-11776-apache-struts-vulnerability-ad0f87632f45
• https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/multi/http/struts2_namespace_ognl.rb
• https://www.exploit-db.com/exploits/45260
• https://www.exploit-db.com/exploits/45262
• https://www.exploit-db.com/exploits/45367

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