8.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
0.976 High
EPSS
Percentile
100.0%
Apache Struts versions 2.3 to 2.3.34 and 2.5 to 2.5.16 suffer from possible Remote Code Execution when alwaysSelectFullNamespace is true (either by user or a plugin like Convention Plugin) and then: results are used with no namespace and in same time, its upper package have no or wildcard namespace and similar to results, same possibility when using url tag which doesn’t have value and action set and in same time, its upper package have no or wildcard namespace.
Recent assessments:
zeroSteiner at April 14, 2020 6:33pm UTC reported:
This vulnerability exists within the Apache Struts OGNL method dispatch routine. An attacker can submit a specially crafted HTTP request to a vulnerable web server. Specifically an attacker can taint the name
parameter passed to OgnlUtil::getValue()
.
Exploitation of this vulnerability would lead to code execution within the context of the Java process powering the server. An indicator of compromise will be present in the logs at the DEBUG
level. This IOC will look like a malformed value in the Executing action method =
message.
The default configuration is not vulnerable. The alwaysSelectFullNamespace
option must be enabled. This can be done by adding <constant name="struts.mapper.alwaysSelectFullNamespace" value="true" />
to the struts.xml
configuration file.
Assessed Attacker Value: 4
Assessed Attacker Value: 4Assessed Attacker Value: 5
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
www.securityfocus.com/bid/105125
www.securitytracker.com/id/1041547
www.securitytracker.com/id/1041888
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-11776
cwiki.apache.org/confluence/display/WW/S2-057
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
psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0012
security.netapp.com/advisory/ntap-20180822-0001
security.netapp.com/advisory/ntap-20180822-0001/
security.netapp.com/advisory/ntap-20181018-0002
security.netapp.com/advisory/ntap-20181018-0002/
www.exploit-db.com/exploits/45260
www.exploit-db.com/exploits/45260/
www.exploit-db.com/exploits/45262
www.exploit-db.com/exploits/45262/
www.exploit-db.com/exploits/45367
www.exploit-db.com/exploits/45367/
www.oracle.com/security-alerts/cpujul2020.html
www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html
8.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
0.976 High
EPSS
Percentile
100.0%