#VU74262 HTTP response splitting in API Gateway and API Manager


Published: 2023-03-31

Vulnerability identifier: #VU74262

Vulnerability risk: Medium

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-113

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
API Gateway
Server applications / Application servers
API Manager
Web applications / Other software

Vendor: Axway

Description

The vulnerability allows a remote attacker to perform HTTP splitting attacks.

The vulnerability exists due to software does not correclty process CRLF character sequences. A remote attacker can send specially crafted request containing CRLF sequence and make the application to send a split HTTP response.

Successful exploitation of the vulnerability may allow an attacker perform cache poisoning attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

API Gateway: April 2019 - September 2020

API Manager: April 2019 - September 2020


External links
http://docs.axway.com/bundle/axway-open-docs/page/docs/apim_relnotes/20220530_apimgr_relnotes/index.html


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.


Latest bulletins with this vulnerability