Denial of service in Apache XML-RPC

1) Resource exhaustion

EUVDB-ID: #VU76755

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-2016-5004

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

XML-RPC: 1.2-b1 - 3.1.3

CPE2.3

• cpe:2.3:a:apache_foundation:xml-rpc:1.2-b1:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:xml-rpc:2.0:beta:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:xml-rpc:2.0:*:*:*:*:*:*:*

External links

https://www.openwall.com/lists/oss-security/2016/07/12/5
https://www.securityfocus.com/bid/91736
https://www.securitytracker.com/id/1036294
https://0ang3el.blogspot.in/2016/07/beware-of-ws-xmlrpc-library-in-your.html
https://github.com/0ang3el/unsafe-xmlrpc

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.