SB2020050106 - Exposed dangerous functionality in dom4j
Published: May 1, 2020 Updated: May 26, 2020
Security Bulletin ID
SB2020050106
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Exposed dangerous method or function (CVE-ID: CVE-2020-10683)
The vulnerability allows a remote attacker to abuse implemented functionality.
The vulnerability exists due to dom4j allows by default external DTDs and External Entities. A remote attacker can abuse this functionality and perform XXE attack against application that uses dom4j default configuration.
Remediation
Install update from vendor's website.
References
- 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/releases/tag/version-2.1.3
- https://security.netapp.com/advisory/ntap-20200518-0002/