Denial of service in Openfire



| Updated: 2019-10-12
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2014-2741
CWE-ID CWE-20
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 Openfire
Web applications / Modules and components for CMS

Vendor Ignite Realtime

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU21741

Risk: Medium

CVSSv4.0: 5.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2014-2741

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input in nio/XMLLightweightParser.java when processing XML elements. A remote authenticated attacker can use a specially crafted XMPP stream to consume excessive server resources.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Openfire: 3.9.0 - 3.9.1

CPE2.3 External links

https://www.kb.cert.org/vuls/id/495476
https://xmpp.org/resources/security-notices/uncontrolled-resource-consumption-with-highly-compressed-xmpp-stanzas/
https://openwall.com/lists/oss-security/2014/04/09/1
https://openwall.com/lists/oss-security/2014/04/07/7
https://fisheye.igniterealtime.org/changelog/openfiregit?cs=3aec383e07ee893b77396fe946766bbd3758af77
https://community.igniterealtime.org/thread/52317


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

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.



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