CVE-2020-10683

critical

Description

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.

References

https://www.tenable.com/blog/oracle-april-2021-critical-patch-update-addresses-257-cves-including-zerologon-cve-2020-1472

https://www.tenable.com/blog/oracle-january-2021-critical-patch-update-five-critical-weblogic-flaws-cve-2021-2109

https://www.oracle.com/security-alerts/cpuoct2021.html

https://www.oracle.com/security-alerts/cpuoct2020.html

https://www.oracle.com/security-alerts/cpujul2022.html

https://www.oracle.com/security-alerts/cpujul2020.html

https://www.oracle.com/security-alerts/cpujan2022.html

https://www.oracle.com/security-alerts/cpujan2021.html

https://www.oracle.com/security-alerts/cpuApr2021.html

https://www.oracle.com//security-alerts/cpujul2021.html

https://usn.ubuntu.com/4575-1/

https://security.netapp.com/advisory/ntap-20200518-0002/

https://lists.apache.org/thread.html/rb1b990d7920ae0d50da5109b73b92bab736d46c9788dd4b135cb1a51%40%3Cnotifications.freemarker.apache.org%3E

https://lists.apache.org/thread.html/r91c64cd51e68e97d524395474eaa25362d564572276b9917fcbf5c32%40%3Cdev.velocity.apache.org%3E

https://lists.apache.org/thread.html/r51f3f9801058e47153c0ad9bc6209d57a592fc0e7aefd787760911b8%40%3Cdev.velocity.apache.org%3E

https://github.com/dom4j/dom4j/releases/tag/version-2.1.3

https://github.com/dom4j/dom4j/issues/87

https://github.com/dom4j/dom4j/commits/version-2.0.3

https://github.com/dom4j/dom4j/commit/a8228522a99a02146106672a34c104adbda5c658

https://cheatsheetseries.owasp.org/cheatsheets/XML_External_Entity_Prevention_Cheat_Sheet.html

https://bugzilla.redhat.com/show_bug.cgi?id=1694235

http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00061.html

Details

Source: Mitre, NVD

Published: 2020-05-01

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical