Denial of service in Apache CXF Fediz



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-8038
CWE-ID CWE-611
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Apache CXF Fediz
Server applications / Web servers

Vendor Apache Foundation

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) XXE attack

EUVDB-ID: #VU13595

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2018-8038

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to conduct XXE attack on the target system.

The vulnerability exists due to an error when processing malicious XML data. A remote attacker can supply specially crafted XML DTD data via WS-Federation request parameters and cause denial of service of the Apache CXF Fediz Identity Provider (IdP).

Mitigation

Update to version 1.4.4.

Vulnerable software versions

Apache CXF Fediz: 1.2.0 - 1.4.3

CPE2.3 External links

https://cxf.apache.org/security-advisories.data/CVE-2018-8038.txt.asc


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 send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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



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