Vulnerability identifier: #VU16895

Vulnerability risk: Low

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-11788

CWE-ID: CWE-611

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Karaf
Server applications / Application servers

Vendor: Apache Foundation

Description
The vulnerability allows a remote 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 deploy XML file directly in the deploy folder, trick the victim into opening it and obtain potentially sensitive information or cause the service to crash.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Karaf: 4.2.0 - 4.2.1, 4.1.0 - 4.1.6, 4.0.0 - 4.0.10

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External links
http://karaf.apache.org/security/cve-2018-11788.txt

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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.