Apache Nifi vulnerabilities

CVE-2020-9491 [HIGH] CWE-327 CVE-2020-9491: In Apache NiFi 1.2.0 to 1.11.4, the NiFi UI and API were protected by mandating TLS v1.2, as well as In Apache NiFi 1.2.0 to 1.11.4, the NiFi UI and API were protected by mandating TLS v1.2, as well as listening connections established by processors like ListenHTTP, HandleHttpRequest, etc. However intracluster communication such as cluster request replication, Site-to-Site, and load balanced queues continued to support TLS v1.0 or v1.1.

CVE-2020-9487 [HIGH] CWE-306 CVE-2020-9487: In Apache NiFi 1.0.0 to 1.11.4, the NiFi download token (one-time password) mechanism used a fixed c In Apache NiFi 1.0.0 to 1.11.4, the NiFi download token (one-time password) mechanism used a fixed cache size and did not authenticate a request to create a download token, only when attempting to use the token to access the content. An unauthenticated user could repeatedly request download tokens, preventing legitimate users from requesting download to

CVE-2020-13940 [MEDIUM] CWE-611 CVE-2020-13940: In Apache NiFi 1.0.0 to 1.11.4, the notification service manager and various policy authorizer and u In Apache NiFi 1.0.0 to 1.11.4, the notification service manager and various policy authorizer and user group provider objects allowed trusted administrators to inadvertently configure a potentially malicious XML file. The XML file has the ability to make external calls to services (via XXE).

CVE-2020-1942 [HIGH] CWE-532 CVE-2020-1942: In Apache NiFi 0.0.1 to 1.11.0, the flow fingerprint factory generated flow fingerprints which inclu In Apache NiFi 0.0.1 to 1.11.0, the flow fingerprint factory generated flow fingerprints which included sensitive property descriptor values. In the event a node attempted to join a cluster and the cluster flow was not inheritable, the flow fingerprint of both the cluster and local flow was printed, potentially containing sensitive values in plaintext.

CVE-2020-1933 [MEDIUM] CWE-79 CVE-2020-1933: A XSS vulnerability was found in Apache NiFi 1.0.0 to 1.10.0. Malicious scripts could be injected to A XSS vulnerability was found in Apache NiFi 1.0.0 to 1.10.0. Malicious scripts could be injected to the UI through action by an unaware authenticated user in Firefox. Did not appear to occur in other browsers.

CVE-2020-1928 [MEDIUM] CWE-532 CVE-2020-1928: An information disclosure vulnerability was found in Apache NiFi 1.10.0. The sensitive parameter par An information disclosure vulnerability was found in Apache NiFi 1.10.0. The sensitive parameter parser would log parsed values for debugging purposes. This would expose literal values entered in a sensitive property when no parameter was present.

CVE-2019-12421 [HIGH] CWE-613 CVE-2019-12421: When using an authentication mechanism other than PKI, when the user clicks Log Out in NiFi versions When using an authentication mechanism other than PKI, when the user clicks Log Out in NiFi versions 1.0.0 to 1.9.2, NiFi invalidates the authentication token on the client side but not on the server side. This permits the user's client-side token to be used for up to 12 hours after logging out to make API requests to NiFi.

CVE-2019-10083 [MEDIUM] CWE-200 CVE-2019-10083: When updating a Process Group via the API in NiFi versions 1.3.0 to 1.9.2, the response to the reque When updating a Process Group via the API in NiFi versions 1.3.0 to 1.9.2, the response to the request includes all of its contents (at the top most level, not recursively). The response included details about processors and controller services which the user may not have had read access to.

CVE-2019-10080 [MEDIUM] CWE-611 CVE-2019-10080: The XMLFileLookupService in NiFi versions 1.3.0 to 1.9.2 allowed trusted users to inadvertently conf The XMLFileLookupService in NiFi versions 1.3.0 to 1.9.2 allowed trusted users to inadvertently configure a potentially malicious XML file. The XML file has the ability to make external calls to services (via XXE) and reveal information such as the versions of Java, Jersey, and Apache that the NiFI instance uses.

CVE-2019-10086 [HIGH] CWE-502 CVE-2019-10086: In Apache Commons Beanutils 1.9.2, a special BeanIntrospector class was added which allows suppressi In Apache Commons Beanutils 1.9.2, a special BeanIntrospector class was added which allows suppressing the ability for an attacker to access the classloader via the class property available on all Java objects. We, however were not using this by default characteristic of the PropertyUtilsBean.

CVE-2018-17195 [HIGH] CWE-319 CVE-2018-17195: The template upload API endpoint accepted requests from different domain when sent in conjunction wi The template upload API endpoint accepted requests from different domain when sent in conjunction with ARP spoofing + man in the middle (MiTM) attack, resulting in a CSRF attack. The required attack vector is complex, requiring a scenario with client certificate authentication, same subnet access, and injecting malicious code into an unprotected (plai

CVE-2018-17194 [HIGH] CWE-20 CVE-2018-17194: When a client request to a cluster node was replicated to other nodes in the cluster for verificatio When a client request to a cluster node was replicated to other nodes in the cluster for verification, the Content-Length was forwarded. On a DELETE request, the body was ignored, but if the initial request had a Content-Length value other than 0, the receiving nodes would wait for the body and eventually timeout. Mitigation: The fix to check DELETE re

CVE-2018-17193 [MEDIUM] CWE-79 CVE-2018-17193: The message-page.jsp error page used the value of the HTTP request header X-ProxyContextPath without The message-page.jsp error page used the value of the HTTP request header X-ProxyContextPath without sanitization, resulting in a reflected XSS attack. Mitigation: The fix to correctly parse and sanitize the request attribute value was applied on the Apache NiFi 1.8.0 release. Users running a prior 1.x release should upgrade to the appropriate releas

CVE-2018-17192 [MEDIUM] CWE-1021 CVE-2018-17192: The X-Frame-Options headers were applied inconsistently on some HTTP responses, resulting in duplica The X-Frame-Options headers were applied inconsistently on some HTTP responses, resulting in duplicate or missing security headers. Some browsers would interpret these results incorrectly, allowing clickjacking attacks. Mitigation: The fix to consistently apply the security headers was applied on the Apache NiFi 1.8.0 release. Users running a prior

CVE-2018-1309 [CRITICAL] CWE-611 CVE-2018-1309: Apache NiFi External XML Entity issue in SplitXML processor. Malicious XML content could cause infor Apache NiFi External XML Entity issue in SplitXML processor. Malicious XML content could cause information disclosure or remote code execution. The fix to disable external general entity parsing and disallow doctype declarations was applied on the Apache NiFi 1.6.0 release. Users running a prior 1.x release should upgrade to the appropriate release.

CVE-2018-1310 [HIGH] CVE-2018-1310: Apache NiFi JMS Deserialization issue because of ActiveMQ client vulnerability. Malicious JMS conten Apache NiFi JMS Deserialization issue because of ActiveMQ client vulnerability. Malicious JMS content could cause denial of service. See ActiveMQ CVE-2015-5254 announcement for more information. The fix to upgrade the activemq-client library to 5.15.3 was applied on the Apache NiFi 1.6.0 release. Users running a prior 1.x release should upgrade to the appropria

CVE-2017-15703 [MEDIUM] CWE-502 CVE-2017-15703: Any authenticated user (valid client certificate but without ACL permissions) could upload a templat Any authenticated user (valid client certificate but without ACL permissions) could upload a template which contained malicious code and caused a denial of service via Java deserialization attack. The fix to properly handle Java deserialization was applied on the Apache NiFi 1.4.0 release. Users running a prior 1.x release should upgrade to the appr

CVE-2017-15697 [CRITICAL] CWE-20 CVE-2017-15697: A malicious X-ProxyContextPath or X-Forwarded-Context header containing external resources or embedd A malicious X-ProxyContextPath or X-Forwarded-Context header containing external resources or embedded code could cause remote code execution. The fix to properly handle these headers was applied on the Apache NiFi 1.5.0 release. Users running a prior 1.x release should upgrade to the appropriate release.

CVE-2017-12632 [HIGH] CWE-20 CVE-2017-12632: A malicious host header in an incoming HTTP request could cause NiFi to load resources from an exter A malicious host header in an incoming HTTP request could cause NiFi to load resources from an external server. The fix to sanitize host headers and compare to a controlled whitelist was applied on the Apache NiFi 1.5.0 release. Users running a prior 1.x release should upgrade to the appropriate release.

CVE-2017-5636 [CRITICAL] CWE-74 CVE-2017-5636: In Apache NiFi before 0.7.2 and 1.x before 1.1.2 in a cluster environment, the proxy chain serializa In Apache NiFi before 0.7.2 and 1.x before 1.1.2 in a cluster environment, the proxy chain serialization/deserialization is vulnerable to an injection attack where a carefully crafted username could impersonate another user and gain their permissions on a replicated request to another node.