Vulnerability Report

CVE-2019-25036

Title: Nlnetlabs Unbound Denial of Service (DoS)

Denial of Service (DoS)

Proof Of Concept

No public PoC currently indexed for CVE-2019-25036.

CWE Category CWE-617
Published Date Apr 27, 2021
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 7.5 CVSS v3.1
Exploit Probability (EPSS)
1.99%

Vulnerability Summary

CVE-2019-25036: Unbound before 1.9.5 allows an assertion failure and denial of service in synth_cname. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited

Impacted Vendors

N
nlnetlabs 1
U
unbound 1
F
fedoraproject 1

Reference Links

https://lists.debian.org/debian-lts-announce/2021/05/msg00007.html https://ostif.org/our-audit-of-unbound-dns-by-x41-d-sec-full-results/ https://security.netapp.com/advisory/ntap-20210507-0007/ https://lists.debian.org/debian-lts-announce/2021/05/msg00007.html https://ostif.org/our-audit-of-unbound-dns-by-x41-d-sec-full-results/ https://security.netapp.com/advisory/ntap-20210507-0007/
CVSS v3.1
Source Entity [email protected]
Severity HIGH
7.5
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
5.0
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2019-25036 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Stack

No specific products linked.