XXE attack in Pivotal Spring Web Services

1) XML External Entity injection

EUVDB-ID: #VU17185

Risk: Low

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-3773

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

Exploit availability: No

Description

The vulnerability allows a remote unauthenticated attacker to conduct XXE-attack.

The vulnerability exists due to improper handling of XML External Entities (XXEs) when parsing an XML file. A remote attacker can supply a specially crafted input and obtain potentially sensitive information or cause the service to crash

Mitigation

The vulnerability has been fixed in the versions 2.4.4, 3.0.6.

Vulnerable software versions

Spring Web Services: 2.0.0 - 3.0.4

External links

http://pivotal.io/security/cve-2019-3773

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.