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CVSS: 7.0EPSS: 91%CPEs: 77EXPL: 12

When using Apache Tomcat versions 10.0.0-M1 to 10.0.0-M4, 9.0.0.M1 to 9.0.34, 8.5.0 to 8.5.54 and 7.0.0 to 7.0.103 if a) an attacker is able to control the contents and name of a file on the server; and b) the server is configured to use the PersistenceManager with a FileStore; and c) the PersistenceManager is configured with sessionAttributeValueClassNameFilter="null" (the default unless a SecurityManager is used) or a sufficiently lax filter to allow the attacker provided object to be deserialized; and d) the attacker knows the relative file path from the storage location used by FileStore to the file the attacker has control over; then, using a specifically crafted request, the attacker will be able to trigger remote code execution via deserialization of the file under their control. Note that all of conditions a) to d) must be true for the attack to succeed. Cuando se usa Apache Tomcat versiones 10.0.0-M1 hasta 10.0.0-M4, 9.0.0.M1 hasta 9.0.34, 8.5.0 hasta 8.5.54 y 7.0.0 hasta 7.0. 103, si a) un atacante es capaz de controlar el contenido y el nombre de un archivo en el servidor; y b) el servidor está configurado para usar el PersistenceManager con un FileStore; y c) el PersistenceManager está configurado con sessionAttributeValueClassNameFilter="null" (el valor predeterminado a menos que se utilice un SecurityManager) o un filtro lo suficientemente laxo como para permitir que el objeto proporcionado por el atacante sea deserializado; y d) el atacante conoce la ruta relativa del archivo desde la ubicación de almacenamiento usada por FileStore hasta el archivo sobre el que el atacante presenta control; entonces, mediante una petición específicamente diseñada, el atacante podrá ser capaz de desencadenar una ejecución de código remota mediante la deserialización del archivo bajo su control. Tome en cuenta que todas las condiciones desde la a) hasta la d) deben cumplirse para que el ataque tenga éxito. A deserialization flaw was discovered in Apache Tomcat's use of a FileStore. • https://github.com/masahiro331/CVE-2020-9484 https://github.com/IdealDreamLast/CVE-2020-9484 https://github.com/osamahamad/CVE-2020-9484-Mass-Scan https://github.com/PenTestical/CVE-2020-9484 https://github.com/AssassinUKG/CVE-2020-9484 https://github.com/RepublicR0K/CVE-2020-9484 https://github.com/anjai94/CVE-2020-9484-exploit https://github.com/ColdFusionX/CVE-2020-9484 https://github.com/VICXOR/CVE-2020-9484 https://github.com/seanachao/CVE-2020-9484 https://github& • CWE-502: Deserialization of Untrusted Data •

CVSS: 8.8EPSS: 0%CPEs: 13EXPL: 0

The report generator component of TIBCO Software Inc.'s TIBCO JasperReports Library, TIBCO JasperReports Library for ActiveMatrix BPM, TIBCO JasperReports Server, TIBCO JasperReports Server for AWS Marketplace, and TIBCO JasperReports Server for ActiveMatrix BPM contains a vulnerability that theoretically allows an attacker to exploit HTML injection to gain full control of a web interface containing the output of the report generator component with the privileges of any user that views the affected report(s). The attacker can theoretically exploit this vulnerability when other users view a maliciously generated report, where those reports use Fusion Charts and a data source with contents controlled by the attacker. Affected releases are TIBCO Software Inc.'s TIBCO JasperReports Library: versions 7.1.1 and below, versions 7.2.0 and 7.2.1, version 7.3.0, version 7.5.0, TIBCO JasperReports Library for ActiveMatrix BPM: versions 7.1.1 and below, TIBCO JasperReports Server: versions 7.1.1 and below, version 7.2.0, version 7.5.0, TIBCO JasperReports Server for AWS Marketplace: versions 7.5.0 and below, and TIBCO JasperReports Server for ActiveMatrix BPM: versions 7.1.1 and below. • http://www.tibco.com/services/support/advisories https://www.oracle.com/security-alerts/cpuoct2020.html • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •

CVSS: 10.0EPSS: 0%CPEs: 5EXPL: 0

The administrative UI component of TIBCO Software Inc.'s TIBCO JasperReports Server, TIBCO JasperReports Server for AWS Marketplace, and TIBCO JasperReports Server for ActiveMatrix BPM contains a vulnerability that theoretically allows an unauthenticated attacker to obtain the permissions of a JasperReports Server "superuser" for the affected systems. The attacker can theoretically exploit the vulnerability consistently, remotely, and without authenticating. Affected releases are TIBCO Software Inc.'s TIBCO JasperReports Server: versions 7.1.1 and below, TIBCO JasperReports Server for AWS Marketplace: versions 7.1.1 and below, and TIBCO JasperReports Server for ActiveMatrix BPM: versions 7.1.1 and below. • http://www.tibco.com/services/support/advisories https://www.oracle.com/security-alerts/cpuoct2020.html • CWE-276: Incorrect Default Permissions •

CVSS: 9.8EPSS: 0%CPEs: 79EXPL: 0

dom4j before 2.0.3 and 2.1.x before 2.1.3 allows external DTDs and External Entities by default, which might enable XXE attacks. However, there is popular external documentation from OWASP showing how to enable the safe, non-default behavior in any application that uses dom4j. dom4j versiones anteriores a 2.0.3 y versiones 2.1.x anteriores a 2.1.3, permite DTDs y External Entities por defecto, lo que podría permitir ataques de tipo XXE. Sin embargo, existe una documentación externa popular de OWASP que muestra cómo habilitar el comportamiento seguro no predeterminado en cualquier aplicación que use dom4j. • http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00061.html https://bugzilla.redhat.com/show_bug.cgi?id=1694235 https://cheatsheetseries.owasp.org/cheatsheets/XML_External_Entity_Prevention_Cheat_Sheet.html https://github.com/dom4j/dom4j/commit/a8228522a99a02146106672a34c104adbda5c658 https://github.com/dom4j/dom4j/commits/version-2.0.3 https://github.com/dom4j/dom4j/issues/87 https://github.com/dom4j/dom4j/releases/tag/version-2.1.3 https://lists.apache.org/thread.html/r51f3f9801058 • CWE-611: Improper Restriction of XML External Entity Reference •

CVSS: 4.3EPSS: 0%CPEs: 101EXPL: 0

Improper validation of certificate with host mismatch in Apache Log4j SMTP appender. This could allow an SMTPS connection to be intercepted by a man-in-the-middle attack which could leak any log messages sent through that appender. Fixed in Apache Log4j 2.12.3 and 2.13.1 Validación incorrecta del certificado con desajuste de host en el apéndice SMTP de Apache Log4j. Esto podría permitir que una conexión SMTPS fuera interceptada por un ataque de tipo man-in-the-middle que podría filtrar cualquier mensaje de registro enviado a través de ese appender. Corregido en Apache Log4j 2.12.3 y 2.13.1 • https://issues.apache.org/jira/browse/LOG4J2-2819 https://lists.apache.org/thread.html/r0a2699f724156a558afd1abb6c044fb9132caa66dce861b82699722a%40%3Cjira.kafka.apache.org%3E https://lists.apache.org/thread.html/r0df3d7a5acb98c57e64ab9266aa21eeee1d9b399addb96f9cf1cbe05%40%3Cdev.zookeeper.apache.org%3E https://lists.apache.org/thread.html/r1fc73f0e16ec2fa249d3ad39a5194afb9cc5afb4c023dc0bab5a5881%40%3Cissues.hive.apache.org%3E https://lists.apache.org/thread.html/r22a56beb76dd8cf18e24fda9072f1e05990f49d6439662d3782a392f%40%3Cissues.hive.apache.org%3E https://lists.apache.o • CWE-295: Improper Certificate Validation •