A flaw was found in Undertow. A buffer leak on the incoming WebSocket PONG message may lead to memory exhaustion. This flaw allows an attacker to cause a denial of service. The highest threat from this vulnerability is availability.

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:3467 advisory.

    This release of Red Hat JBoss Enterprise Application Platform 7.3.9 serves as a replacement for Red Hat     JBoss Enterprise Application Platform 7.3.8, and includes bug fixes and enhancements. See the Red Hat     JBoss Enterprise Application Platform 7.3.9 Release Notes for information about the most significant bug     fixes and enhancements included in this release.

    Security Fix(es):

    * undertow: buffer leak on incoming websocket PONG message may lead to DoS (CVE-2021-3690)

    * undertow: HTTP2SourceChannel fails to write final frame under some circumstances may lead to DoS     (CVE-2021-3597)

    * jakarta-el: ELParserTokenManager enables invalid EL expressions to be evaluate (CVE-2021-28170)

    * apache-commons-io: Limited path traversal in Apache Commons IO 2.2 to 2.6 (CVE-2021-29425)

    * wildfly-core: Invalid Sensitivity Classification of Vault Expression (CVE-2021-3644)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:3468 advisory.

    This release of Red Hat JBoss Enterprise Application Platform 7.3.9 serves as a replacement for Red Hat     JBoss Enterprise Application Platform 7.3.8, and includes bug fixes and enhancements. See the Red Hat     JBoss Enterprise Application Platform 7.3.9 Release Notes for information about the most significant bug     fixes and enhancements included in this release.

    Security Fix(es):

    * undertow: buffer leak on incoming websocket PONG message may lead to DoS (CVE-2021-3690)

    * undertow: HTTP2SourceChannel fails to write final frame under some circumstances may lead to DoS     (CVE-2021-3597)

    * jakarta-el: ELParserTokenManager enables invalid EL expressions to be evaluate (CVE-2021-28170)

    * apache-commons-io: Limited path traversal in Apache Commons IO 2.2 to 2.6 (CVE-2021-29425)

    * wildfly-core: Invalid Sensitivity Classification of Vault Expression (CVE-2021-3644)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:3466 advisory.

    This release of Red Hat JBoss Enterprise Application Platform 7.3.9 serves as a replacement for Red Hat     JBoss Enterprise Application Platform 7.3.8, and includes bug fixes and enhancements. See the Red Hat     JBoss Enterprise Application Platform 7.3.9 Release Notes for information about the most significant bug     fixes and enhancements included in this release.

    Security Fix(es):

    * undertow: buffer leak on incoming websocket PONG message may lead to DoS (CVE-2021-3690)

    * undertow: HTTP2SourceChannel fails to write final frame under some circumstances may lead to DoS     (CVE-2021-3597)

    * jakarta-el: ELParserTokenManager enables invalid EL expressions to be evaluate (CVE-2021-28170)

    * apache-commons-io: Limited path traversal in Apache Commons IO 2.2 to 2.6 (CVE-2021-29425)

    * wildfly-core: Invalid Sensitivity Classification of Vault Expression (CVE-2021-3644)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:3656 advisory.

    Red Hat JBoss Enterprise Application Platform 7 is a platform for Java applications based on the WildFly     application runtime.

    This release of Red Hat JBoss Enterprise Application Platform 7.4.1 serves as a replacement for Red Hat     JBoss Enterprise Application Platform 7.4.0 and includes bug fixes and enhancements. See the Red Hat JBoss     Enterprise Application Platform 7.4.1 Release Notes for information about the most significant bug fixes     and enhancements included in this release.

    Security Fix(es):

    * velocity: arbitrary code execution when attacker is able to modify templates (CVE-2020-13936)

    * undertow: buffer leak on incoming websocket PONG message may lead to DoS (CVE-2021-3690)

    * undertow: HTTP2SourceChannel fails to write final frame under some circumstances may lead to DoS     (CVE-2021-3597)

    * wildfly-elytron: possible timing attack in ScramServer (CVE-2021-3642)

    * netty: possible request smuggling in HTTP/2 due missing validation (CVE-2021-21295)

    * netty: Request smuggling via content-length header (CVE-2021-21409)

    * jakarta-el: ELParserTokenManager enables invalid EL expressions to be evaluate (CVE-2021-28170)

    * apache-commons-io: Limited path traversal in Apache Commons IO 2.2 to 2.6 (CVE-2021-29425)

    * wildfly: XSS via admin console when creating roles in domain mode (CVE-2021-3536)

    * wildfly-core: Invalid Sensitivity Classification of Vault Expression (CVE-2021-3644)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:3658 advisory.

    Red Hat JBoss Enterprise Application Platform 7 is a platform for Java applications based on the WildFly     application runtime.

    This release of Red Hat JBoss Enterprise Application Platform 7.4.1 serves as a replacement for Red Hat     JBoss Enterprise Application Platform 7.4.0 and includes bug fixes and enhancements. See the Red Hat JBoss     Enterprise Application Platform 7.4.1 Release Notes for information about the most significant bug fixes     and enhancements included in this release.

    Security Fix(es):

    * velocity: arbitrary code execution when attacker is able to modify templates (CVE-2020-13936)

    * undertow: buffer leak on incoming websocket PONG message may lead to DoS (CVE-2021-3690)

    * undertow: HTTP2SourceChannel fails to write final frame under some circumstances may lead to DoS     (CVE-2021-3597)

    * wildfly-elytron: possible timing attack in ScramServer (CVE-2021-3642)

    * netty: possible request smuggling in HTTP/2 due missing validation (CVE-2021-21295)

    * netty: Request smuggling via content-length header (CVE-2021-21409)

    * jakarta-el: ELParserTokenManager enables invalid EL expressions to be evaluate (CVE-2021-28170)

    * apache-commons-io: Limited path traversal in Apache Commons IO 2.2 to 2.6 (CVE-2021-29425)

    * wildfly: XSS via admin console when creating roles in domain mode (CVE-2021-3536)

    * wildfly-core: Invalid Sensitivity Classification of Vault Expression (CVE-2021-3644)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 7 / 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2021:3219 advisory.

    Red Hat JBoss Enterprise Application Platform 7 is a platform for Java applications based on the WildFly     application runtime.

    This asynchronous patch is a security update for Red Hat JBoss Enterprise Application Platform 7.4 for Red     Hat Enterprise Linux 7 and 8.

    Security Fix(es):

    * undertow: buffer leak on incoming websocket PONG message may lead to DoS (CVE-2021-3690)

    For more details about the security issue(s), including the impact, a CVSS score, and other related     information, see the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 6 / 7 / 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2021:3217 advisory.

    Red Hat JBoss Enterprise Application Platform 7 is a platform for Java applications based on the WildFly     application runtime.

    This asynchronous patch is a security update for Red Hat JBoss Enterprise Application Platform 7.3 for Red     Hat Enterprise Linux 6, 7, and 8.

    Security Fix(es):

    * undertow: buffer leak on incoming websocket PONG message may lead to DoS (CVE-2021-3690)

    For more details about the security issue(s), including the impact, a CVSS score, and other related     information, see the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
165158	RHEL 7 : Red Hat JBoss Enterprise Application Platform 7.3.9 security update on RHEL 7 (Important) (RHSA-2021:3467)	Nessus	Red Hat Local Security Checks	medium
165138	RHEL 8 : Red Hat JBoss Enterprise Application Platform 7.3.9 security update on RHEL 8 (Important) (RHSA-2021:3468)	Nessus	Red Hat Local Security Checks	medium
165115	RHEL 6 : Red Hat JBoss Enterprise Application Platform 7.3.9 security update on RHEL 6 (Important) (RHSA-2021:3466)	Nessus	Red Hat Local Security Checks	medium
153835	RHEL 7 : Red Hat JBoss Enterprise Application Platform 7.4.1 security update on RHEL 7 (Important) (RHSA-2021:3656)	Nessus	Red Hat Local Security Checks	high
153832	RHEL 8 : Red Hat JBoss Enterprise Application Platform 7.4.1 security update on RHEL 8 (Important) (RHSA-2021:3658)	Nessus	Red Hat Local Security Checks	high
152661	RHEL 7 / 8 : Red Hat JBoss Enterprise Application Platform 7.4 (RHSA-2021:3219)	Nessus	Red Hat Local Security Checks	high
152660	RHEL 6 / 7 / 8 : Red Hat JBoss Enterprise Application Platform 7.3 (RHSA-2021:3217)	Nessus	Red Hat Local Security Checks	high

Detections

Analytics

CVE-2021-3690

high

Tenable Plugins

medium

medium

medium

high

high

high

high