#VU18278 Server-Side Request Forgery (SSRF) in IBM API Connect - CVE-2019-4203

Vulnerability identifier: #VU18278

Vulnerability risk: Medium

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-4203

CWE-ID: CWE-918

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
IBM API Connect
Client/Desktop applications / Office applications

Vendor: IBM Corporation

Description

The disclosed vulnerability allows a remote attacker to perform SSRF attacks.

The vulnerability exists due to insufficient validation of user-supplied input. A remote authenticated attacker can send a specially crafted HTTP request to the Developer Portal and trick the application to initiate requests to arbitrary systems.

Successful exploitation of this vulnerability may allow a remote attacker gain access to download arbitrary files from the affected server.

Mitigation

Install updates from vendor's website:

http://www.ibm.com/support/fixcentral/swg/quickorder?parent=ibm%7EWebSphere&product=ibm/WebS...

Vulnerable software versions

IBM API Connect: 5.0.0 - 5.0.8.6

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External links
https://www.securityfocus.com/bid/107905
https://exchange.xforce.ibmcloud.com/vulnerabilities/159124
https://www.ibm.com/support/docview.wss?uid=ibm10880569

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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.