XXE attack in IBM Operational Decision Manager

1) XXE attack

EUVDB-ID: #VU16725

Risk: Low

CVSSv3.1: 7.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L/E:P/RL:O/RC:C]

CVE-ID: CVE-2018-1821

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

Exploit availability: Yes

Description

The vulnerability allows a remote authenticated 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 submit a specially crafted input and obtain potentially sensitive information or cause the service to crash.

Mitigation

The vulnerability has been fixed in the versions 8.6.0.3, 8.7.1.2, 8.8.1.3, 8.9.2.1.

Vulnerable software versions

Operational Decision Manager: 8.6 - 8.9

External links

http://www-01.ibm.com/support/docview.wss?uid=ibm10744149

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website or open a file.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.