#VU19595 XML External Entity injection


Published: 2019-08-01 | Updated: 2019-11-19

Vulnerability identifier: #VU19595

Vulnerability risk: Medium

CVSSv3.1: 4.4 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-13990

CWE-ID: CWE-611

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Quartz Scheduler
Universal components / Libraries / Libraries used by multiple products

Vendor: Terracotta

Description

The vulnerability allows a remote attacker to conduct an XML External Entity (XXE) attack on a targeted system.

The vulnerability exists due to insufficient validation of user-supplied XML input in the "initDocumentParser" function in the "xml/XMLSchedulingDataProcessor.java" file. A remote authenticated attacker can submit a malicious job description to the targeted system and conduct an XXE attack.


Mitigation
Install updates from vendor's website.

Vulnerable software versions

Quartz Scheduler: 1.8.0 - 2.3.0


CPE

External links
http://github.com/quartz-scheduler/quartz/issues/467


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


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