Inconsistent interpretation of HTTP requests in IBM FlashSystem 840

1) Inconsistent interpretation of HTTP requests

EUVDB-ID: #VU64555

Risk: High

CVSSv4.0: 6.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2014-0227

CWE-ID: CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a HTTP request smuggling attack.

The vulnerability exists due to java/org/apache/coyote/http11/filters/ChunkedInputFilter.java in Apache Tomcat does not properly handle attempts to continue reading data after an error has occurred. A remote attacker can conduct HTTP request smuggling attacks or cause a denial of service (resource consumption) by streaming data with malformed chunked transfer coding.

Mitigation

Install update from vendor's website.

Vulnerable software versions

FlashSystem 840 9840-AE1 & 9843-AE1: before 1.1.3.8

CPE2.3

• cpe:2.3:a:ibm_corporation:flashsystem_840_9840-ae1_and_9843-ae1:*:*:*:*:*:*:*:*

External links

https://www.ibm.com/support/pages/node/690395

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.