CVE-2019-25040

Description

Unbound before 1.9.5 allows an infinite loop via a compressed name in dname_pkt_copy.

Related CPE's

a nlnetlabs unbound ********

References

https://ostif.org/our-audit-of-unbound-dns-by-x41-d-sec-full-results/

PatchThird Party Advisory

[debian-lts-announce] 20210506 [SECURITY] [DLA 2652-1] unbound1.9 security update

CvssV3 impact

BaseSeverity	HIGH
ConfidentialityImpact	NONE
AttackComplexity	LOW
Scope	UNCHANGED
AttackVector	NETWORK
AvailabilityImpact	HIGH
IntegrityImpact	NONE
PrivilegesRequired	NONE
BaseScore	7.5
VectorString	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Version	3.1
UserInteraction	NONE

CvssV2 impact

AccessComplexity	LOW
ConfidentialityImpact	NONE
AvailabilityImpact	PARTIAL
IntegrityImpact	NONE
BaseScore	5
VectorString	AV:N/AC:L/Au:N/C:N/I:N/A:P
Version	2.0
AccessVector	NETWORK
Authentication	NONE