Input validation error in IBM Event Streams



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-27534
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Event Streams
Client/Desktop applications / Other client software

Vendor IBM Corporation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Input validation error

EUVDB-ID: #VU73827

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-27534

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input in the SFTP support when handling the tilde "~" character in the filepath. cURL will replace the tilde character to the current user's home directory and can reveal otherwise restricted files.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Event Streams: before 11.2.3

CPE2.3 External links

https://www.ibm.com/support/pages/node/7038756


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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