Vulnerability identifier: #VU97732

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-25638

CWE-ID: CWE-345

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
dnsjava
Universal components / Libraries / Libraries used by multiple products

Vendor: dnsjava

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to improper response validation when handling DNS queries. Records in DNS replies are not checked for their relevance to the query, allowing an attacker to respond with RRs from different zones. A remote attacker can bypass DNSSEC restrictions.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

dnsjava: 3.5.0 - 3.5.3

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External links
http://github.com/dnsjava/dnsjava/security/advisories/GHSA-cfxw-4h78-h7fw
http://github.com/dnsjava/dnsjava/commit/2073a0cdea2c560465f7ac0cc56f202e6fc39705

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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.