#VU87749 Missing authorization in Unbound


Published: 2024-03-22

Vulnerability identifier: #VU87749

Vulnerability risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-1488

CWE-ID: CWE-862

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Unbound
Server applications / DNS servers

Vendor: NLnet Labs

Description

The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists due to missing authorization in the unbound.service that listens on localhost on port 8953. A local user can send a specially crafted request and alter the server configuration.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Unbound: 1.17.0 - 1.19.0 rc1


External links
http://access.redhat.com/security/cve/CVE-2024-1488
http://bugzilla.redhat.com/show_bug.cgi?id=2264183


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability