Multiple vulnerabilities in IBM Sterling B2B Integrator



Published: 2022-10-20
Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2019-0201
CVE-2021-21409
CWE-ID CWE-284
CWE-444
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		IBM Sterling B2B Integrator
Server applications / Other server solutions

Vendor IBM Corporation

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper access control

EUVDB-ID: #VU18668

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-0201

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain unauthorized access to sensitive information.

The vulnerability exists due to improper access restrictions when "getACL()" command doesn’t check any permission when retrieves the ACLs of the requested node and returns all information contained in the ACL Id field as plaintext string. A remote attacker can gain READ permissions to list ACL.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Sterling B2B Integrator: before 6.1.2.0

External links

http://www.ibm.com/blogs/psirt/security-bulletin-ibm-sterling-b2b-integrator-b2b-api-vulnerable-to-multiple-issues-due-to-apache-zookeeper-cve-2019-0201-cve-2021-21409/
http://www.ibm.com/support/pages/node/6830683


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.

2) Inconsistent interpretation of HTTP requests

EUVDB-ID: #VU51837

Risk: Medium

CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-21409

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to preform HTTP request smuggling attacks.

The vulnerability exists due to improper validation of HTTP requests in io.netty:netty-codec-http2 in Netty, if the request only uses a single Http2HeaderFrame with the endStream set to to true. A remote attacker can send a specially crafted HTTP request to the server and smuggle arbitrary HTTP headers.

Successful exploitation of vulnerability may allow an attacker to poison HTTP cache and perform phishing attacks.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Sterling B2B Integrator: before 6.1.2.0

External links

http://www.ibm.com/blogs/psirt/security-bulletin-ibm-sterling-b2b-integrator-b2b-api-vulnerable-to-multiple-issues-due-to-apache-zookeeper-cve-2019-0201-cve-2021-21409/
http://www.ibm.com/support/pages/node/6830683


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.



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