XXE in Apache Santuario



Published: 2019-08-27
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-12400
CWE-ID CWE-611
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Apache Santuario XML Security for Java
Universal components / Libraries / Libraries used by multiple products

Vendor Apache Foundation

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) XML External Entity Reference

EUVDB-ID: #VU20401

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-12400

CWE-ID: CWE-611 - Improper Restriction of XML External Entity Reference ('XXE')

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass security restrictions.

The vulnerability exists due to the loading of XML parsing code from an untrusted source. A remote attacker can exploit this vulnerability to launch further attacks on the system when validating signed documents. 

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Apache Santuario XML Security for Java: 2.0.3 - 2.1.3

External links

http://santuario.apache.org/secadv.data/CVE-2019-12400.asc?version=1&modificationDate=1566573083000&api=v2


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker 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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