#VU108768 Improper neutralization of wildcards or matching symbols in syslog-ng - CVE-2024-47619

Vulnerability identifier: #VU108768

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-47619

CWE-ID: CWE-155

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
syslog-ng
Server applications / Other server solutions

Vendor: One Identity

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists within the tls_wildcard_match() function when handling host names with wildcards. A remote attacker can bypass expected security restrictions.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

syslog-ng: 3.6.1 - 4.8.1

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External links
https://github.com/syslog-ng/syslog-ng/security/advisories/GHSA-xr54-gx74-fghg

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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.