DNSSEC bypass in dnsjava



Published: 2024-09-26
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-25638
CWE-ID CWE-345
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		dnsjava
Universal components / Libraries / Libraries used by multiple products

Vendor dnsjava

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Insufficient verification of data authenticity

EUVDB-ID: #VU97732

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 - Insufficient Verification of Data Authenticity

Exploit availability: No

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

CPE2.3 External links

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


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.



###SIDEBAR###