Improper Restriction of XML External Entity Reference in Liferay Enterprise Portal - #VU8554

 

Improper Restriction of XML External Entity Reference in Liferay Enterprise Portal - #VU8554

Published: September 21, 2017


Vulnerability identifier: #VU8554
CSH Severity: Medium
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:L/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-611
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform XXE attacks.

The vulnerability exists due to PDFBox does not properly initialize the XML parsers, which allows context-dependent attackers to conduct XML External Entity (XXE) attacks via a crafted PDF.


Affected software

Liferay Enterprise Portal

Remediation

Update to version 7.0.2 CE GA3.


External References

Related Security Bulletins