Resource exhaustion in IBM Sterling B2B Integrator

1) Resource exhaustion

EUVDB-ID: #VU77573

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-34462

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

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

The vulnerability exists due to application does not properly control consumption of internal resources if no idle timeout handler was configured. A remote attacker can send a client hello packet, which leads the server to buffer up to 16MB of data per connection and results in a denial of service condition.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Sterling B2B Integrator: before 6.1.2.5, 6.2.0.1, 6.1.2.5

CPE2.3

• cpe:2.3:a:ibm_corporation:ibm_sterling_b2b_integrator:*:*:*:*:*:*:*:*

External links

https://www.ibm.com/support/pages/node/7147990

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.