Deserialization of untrusted data in IBM Observability with Instana

1) Deserialization of Untrusted Data

EUVDB-ID: #VU72123

Risk: Low

CVSSv4.0: 7.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Clear]

CVE-ID: CVE-2023-25194

CWE-ID: CWE-502 - Deserialization of Untrusted Data

Exploit availability: Yes

Description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to Apache Kafka Connect performs deserialization of data retrieved from the configured LDAP server in "com.sun.security.auth.module.JndiLoginModule". A remote user ability to create/modify connectors on the server with an arbitrary Kafka client SASL JAAS config can configure the server to connect to a malicious LDAP server and execute arbitrary Java code on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Observability with Instana: All versions

CPE2.3

• cpe:2.3:a:ibm_corporation:ibm_observability_with_instana:*:*:*:*:*:*:*:*

External links

https://www.ibm.com/support/pages/node/7053643

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.