A flaw was found in undertow. This issue makes achieving a denial of service possible due to an unexpected handshake status updated in SslConduit, where the loop never terminates.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:3884 advisory.

  - Keycloak | RHSSO: XSS due to lax URI scheme validation (CVE-2022-4361)

  - Undertow: Infinite loop in SslConduit during close (CVE-2023-1108)

  - keycloak: Untrusted Certificate Validation (CVE-2023-1664)

  - keycloak: oauth client impersonation (CVE-2023-2422)

  - keycloak: client access via device auth request spoof (CVE-2023-2585)

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-2023:3883 advisory.

  - Keycloak | RHSSO: XSS due to lax URI scheme validation (CVE-2022-4361)

  - Undertow: Infinite loop in SslConduit during close (CVE-2023-1108)

  - keycloak: Untrusted Certificate Validation (CVE-2023-1664)

  - keycloak: oauth client impersonation (CVE-2023-2422)

  - keycloak: client access via device auth request spoof (CVE-2023-2585)

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 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:3885 advisory.

  - Keycloak | RHSSO: XSS due to lax URI scheme validation (CVE-2022-4361)

  - Undertow: Infinite loop in SslConduit during close (CVE-2023-1108)

  - keycloak: Untrusted Certificate Validation (CVE-2023-1664)

  - keycloak: oauth client impersonation (CVE-2023-2422)

  - keycloak: client access via device auth request spoof (CVE-2023-2585)

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-2023:1513 advisory.

  - SnakeYaml: Constructor Deserialization Remote Code Execution (CVE-2022-1471)

  - undertow: Server identity in https connection is not checked by the undertow client (CVE-2022-4492)

  - snakeyaml: Uncaught exception in java.base/java.util.ArrayList.hashCode (CVE-2022-38752)

  - hsqldb: Untrusted input may lead to RCE attack (CVE-2022-41853)

  - dev-java/snakeyaml: DoS via stack overflow (CVE-2022-41854)

  - codec-haproxy: HAProxyMessageDecoder Stack Exhaustion DoS (CVE-2022-41881)

  - apache-james-mime4j: Temporary File Information Disclosure in MIME4J TempFileStorageProvider     (CVE-2022-45787)

  - RESTEasy: creation of insecure temp files (CVE-2023-0482)

  - Undertow: Infinite loop in SslConduit during close (CVE-2023-1108)

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 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:1514 advisory.

  - SnakeYaml: Constructor Deserialization Remote Code Execution (CVE-2022-1471)

  - undertow: Server identity in https connection is not checked by the undertow client (CVE-2022-4492)

  - snakeyaml: Uncaught exception in java.base/java.util.ArrayList.hashCode (CVE-2022-38752)

  - hsqldb: Untrusted input may lead to RCE attack (CVE-2022-41853)

  - dev-java/snakeyaml: DoS via stack overflow (CVE-2022-41854)

  - codec-haproxy: HAProxyMessageDecoder Stack Exhaustion DoS (CVE-2022-41881)

  - apache-james-mime4j: Temporary File Information Disclosure in MIME4J TempFileStorageProvider     (CVE-2022-45787)

  - RESTEasy: creation of insecure temp files (CVE-2023-0482)

  - Undertow: Infinite loop in SslConduit during close (CVE-2023-1108)

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-2023:1512 advisory.

  - SnakeYaml: Constructor Deserialization Remote Code Execution (CVE-2022-1471)

  - undertow: Server identity in https connection is not checked by the undertow client (CVE-2022-4492)

  - snakeyaml: Uncaught exception in java.base/java.util.ArrayList.hashCode (CVE-2022-38752)

  - hsqldb: Untrusted input may lead to RCE attack (CVE-2022-41853)

  - dev-java/snakeyaml: DoS via stack overflow (CVE-2022-41854)

  - codec-haproxy: HAProxyMessageDecoder Stack Exhaustion DoS (CVE-2022-41881)

  - apache-james-mime4j: Temporary File Information Disclosure in MIME4J TempFileStorageProvider     (CVE-2022-45787)

  - RESTEasy: creation of insecure temp files (CVE-2023-0482)

  - Undertow: Infinite loop in SslConduit during close (CVE-2023-1108)

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 / 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2023:1185 advisory.

  - Undertow: Infinite loop in SslConduit during close (CVE-2023-1108)

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
177672	RHEL 8 : Red Hat Single Sign-On 7.6.4 security update on RHEL 8 (Important) (RHSA-2023:3884)	Nessus	Red Hat Local Security Checks	high
177671	RHEL 7 : Red Hat Single Sign-On 7.6.4 security update on RHEL 7 (Important) (RHSA-2023:3883)	Nessus	Red Hat Local Security Checks	high
177670	RHEL 9 : Red Hat Single Sign-On 7.6.4 security update on RHEL 9 (Important) (RHSA-2023:3885)	Nessus	Red Hat Local Security Checks	high
173692	RHEL 8 : Red Hat JBoss Enterprise Application Platform 7.4.10 on RHEL 8 (RHSA-2023:1513)	Nessus	Red Hat Local Security Checks	critical
173691	RHEL 9 : Red Hat JBoss Enterprise Application Platform 7.4.10 on RHEL 9 (RHSA-2023:1514)	Nessus	Red Hat Local Security Checks	critical
173690	RHEL 7 : Red Hat JBoss Enterprise Application Platform 7.4.10 on RHEL 7 (RHSA-2023:1512)	Nessus	Red Hat Local Security Checks	critical
172400	RHEL 7 / 8 / 9 : Red Hat JBoss Enterprise Application Platform 7.4 (RHSA-2023:1185)	Nessus	Red Hat Local Security Checks	high

Detections

Analytics

CVE-2023-1108

high

Tenable Plugins

high

high

high

critical

critical

critical

high