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CVE-2016-4993

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Date: September 26, 2016

CRLF injection vulnerability in the Undertow web server in WildFly 10.0.0, as used in Red Hat JBoss Enterprise Application Platform (EAP) 7.x before 7.0.2, allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via unspecified vectors.

Language: Java

Severity Score

Related Resources (15)

https://bugzilla.redhat.com/show_bug.cgi?id=1344321
http://rhn.redhat.com/errata/RHSA-2016-1841.html
https://nvd.nist.gov/vuln/detail/CVE-2016-4993
https://issues.redhat.com/browse/UNDERTOW-827
http://www.securityfocus.com/bid/92894
https://access.redhat.com/errata/RHSA-2017:3456
http://www.securitytracker.com/id/1036758
https://access.redhat.com/errata/RHSA-2017:3454
https://access.redhat.com/errata/RHSA-2017:3455
https://access.redhat.com/errata/RHSA-2017:3458
http://rhn.redhat.com/errata/RHSA-2016-1838.html
http://rhn.redhat.com/errata/RHSA-2016-1839.html
http://rhn.redhat.com/errata/RHSA-2016-1840.html
https://github.com/undertow-io/undertow/commit/834496fb74ddda2af197940c70d08bab419fdf12
https://www.mend.io/vulnerability-database/CVE-2016-4993

Severity Score

Weakness Type (CWE)

Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')

CWE-113

Improper Neutralization of CRLF Sequences ('CRLF Injection')

CWE-93

Top Fix

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Upgrade Version

Upgrade to version io.fabric8.quickstarts:spring-boot-camel-rest-3scale:no_fix;io.undertow:undertow-core:2.0.30.Final;io.undertow:undertow-core:2.0.31.Final;io.undertow:undertow-core:1.3.28.Final;io.undertow:undertow-core:2.0.29.Final;io.undertow:undertow-core:1.4.19.Final;io.undertow:undertow-core:2.1.4.Final;io.undertow:undertow-core:2.0.23.Final;io.undertow:undertow-core:1.4.12.Final;io.undertow:undertow-core:2.2.10.Final;io.undertow:undertow-core:1.3.22.Final;io.undertow:undertow-core:2.0.39.Final;io.undertow:undertow-core:2.2.4.Final;io.undertow:undertow-core:1.3.5.Final;io.undertow:undertow-core:2.2.6.Final;io.undertow:undertow-core:2.0.24.Final;io.undertow:undertow-core:2.0.21.Final;io.undertow:undertow-core:2.0.10.Final;io.undertow:undertow-core:2.0.42.Final;io.undertow:undertow-core:2.0.20.Final;io.undertow:undertow-core:2.0.40.Final;io.undertow:undertow-core:2.0.33.Final;io.undertow:undertow-core:1.3.24.Final;io.undertow:undertow-core:2.2.16.Final;io.undertow:undertow-core:2.0.36.Final;io.undertow:undertow-core:2.0.27.Final;io.undertow:undertow-core:2.2.1.Final;io.undertow:undertow-core:2.0.14.Final;io.undertow:undertow-core:2.0.22.Final;io.undertow:undertow-core:1.3.29.Final;io.undertow:undertow-core:1.3.32.Final;io.undertow:undertow-core:2.0.1.Final;io.undertow:undertow-core:2.2.13.Final;io.undertow:undertow-core:1.3.8.Final;io.undertow:undertow-core:2.0.32.Final;io.undertow:undertow-core:2.0.34.Final;io.undertow:undertow-core:2.0.16.Final;io.undertow:undertow-core:2.0.26.Final;io.undertow:undertow-core:2.2.14.Final;io.undertow:undertow-core:2.2.17.Final;io.undertow:undertow-core:2.0.35.Final;io.undertow:undertow-core:1.4.17.Final;io.undertow:undertow-core:2.0.29.Final;io.undertow:undertow-core:1.3.25.Final;io.undertow:undertow-core:1.3.26.Final;io.fabric8.quickstarts:spring-boot-camel-amq:no_fix;com.redhat.fuse.boosters.tracing:greetings-service:no_fix;org.jboss.redhat-fuse.apicurio:fuse-apicurito-generator:no_fix;io.syndesis.server:server-runtime:1.13.1;io.fabric8.quickstarts:spring-boot-camel-soap-rest-bridge:no_fix;io.fabric8.quickstarts:spring-boot-camel-soap-rest-bridge:no_fix;org.jboss.eap:wildfly-client-all:no_fix;org.jboss.eap:wildfly-client-all:no_fix;org.jboss.eap:wildfly-client-all:no_fix;org.jboss.eap:wildfly-client-all:no_fix;io.fabric8.quickstarts:spring-boot-camel-rhosak:no_fix;io.fabric8.quickstarts:spring-boot-camel-rhosak:no_fix;io.fabric8.quickstarts:spring-boot-camel-drools:no_fix;io.fabric8.quickstarts:spring-boot-camel-drools:no_fix;io.syndesis.meta:meta:1.13.1;io.syndesis.meta:meta:1.13.1;io.fabric8.quickstarts.cxf.jaxrs:spring-boot-cxf-jaxrs:no_fix;com.redhat.fuse.boosters:fuse-rest-http-booster:no_fix;com.redhat.fuse.boosters:name-service:no_fix;io.fabric8.quickstarts.cxf.jaxws:spring-boot-cxf-jaxws-xml:no_fix;io.fabric8.quickstarts.cxf.jaxrs:spring-boot-cxf-jaxrs-xml:no_fix;io.fabric8.quickstarts:spring-boot-camel-config:no_fix;io.fabric8.quickstarts:spring-boot-camel-config:no_fix;io.fabric8.quickstarts.cxf.jaxws:spring-boot-cxf-jaxws:no_fix;io.fabric8.quickstarts:spring-boot-camel:no_fix;com.redhat.fuse.boosters:fuse-health-check-booster:no_fix;com.redhat.fuse.boosters:fuse-configmap-booster:no_fix;com.redhat.fuse.boosters:greetings-service:no_fix;org.amqphub.jca:resource-adapter-thorntail-example:no_fix;io.fabric8.quickstarts:spring-boot-camel-rest-sql:no_fix;com.redhat.fuse.boosters.tracing:name-service:no_fix;com.redhat.fuse.quickstarts:spring-boot-camel-xa:no_fix;io.fabric8.quickstarts:spring-boot-camel-xml:no_fix;io.fabric8.quickstarts:spring-boot-camel-infinispan:no_fix

Learn More

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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