Apache Struts contains a Remote Code Execution when using results with no namespace and it’s upper actions have no or wildcard namespace. The same flaw exists when using a url tag with no value, action set, and it’s upper actions have no or wildcard namespace.
packetstormsecurity.com/files/172830/Apache-Struts-Remote-Code-Execution.html
www.arubanetworks.com/assets/alert/ARUBA-PSA-2018-005.txt
www.oracle.com/technetwork/security-advisory/alert-cve-2018-11776-5072787.html
www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
cwiki.apache.org/confluence/display/WW/S2-057
github.com/apache/struts
github.com/apache/struts/commit/6e87474f9ad0549f07dd2c37d50a9ccd0977c6e
github.com/hook-s3c/CVE-2018-11776-Python-PoC
lgtm.com/blog/apache_struts_CVE-2018-11776
lists.apache.org/thread.html/r6d03e45b81eab03580cf7f8bb51cb3e9a1b10a2cc0c6a2d3cc92ed0c@%3Cannounce.apache.org%3E
nvd.nist.gov/vuln/detail/CVE-2018-11776
psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0012
security.netapp.com/advisory/ntap-20180822-0001
security.netapp.com/advisory/ntap-20181018-0002
web.archive.org/web/20180822160726/www.securityfocus.com/bid/105125
web.archive.org/web/20200807025819/www.securitytracker.com/id/1041888
web.archive.org/web/20201208145803/https://securitytracker.com/id/1041547
www.exploit-db.com/exploits/45260
www.exploit-db.com/exploits/45262
www.exploit-db.com/exploits/45367
www.oracle.com/security-alerts/cpujul2020.html
www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html