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Test ID:1.3.6.1.4.1.25623.1.0.114414
Category:Denial of Service
Title:Unbound DNS Resolver 1.18.0 - 1.19.1 DoS Vulnerability
Summary:Unbound DNS Resolver is prone to a denial of service (DoS); vulnerability.
Description:Summary:
Unbound DNS Resolver is prone to a denial of service (DoS)
vulnerability.

Vulnerability Insight:
Recent versions of Unbound contain a vulnerability that can
cause denial of service by a certain code path that can lead to an infinite loop.

This issue can only be triggered if the non-default option 'ede: yes' is used, Unbound would reply
with attached EDE information on a positive reply, and the client's buffer size is relatively
smaller than the needed space to include EDE records.

Affected Software/OS:
Unbound DNS Resolver versions 1.18.0 through 1.19.1.

Solution:
Update to version 1.19.2 or later.

CVSS Score:
7.8

CVSS Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:C

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2024-1931
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/B2JUIFPA7H75Q2W3VXW2TUNHK6NVGOX4/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RBR4H7RCVMJ6H76S4LLRSY5EBFTYWGXK/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4VCBRQ7KMSIGBQ6A4SBL5PF326DIJIIV/
https://www.nlnetlabs.nl/downloads/unbound/CVE-2024-1931.txt
CopyrightCopyright (C) 2024 Greenbone AG

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