Vulnerability Report

CVE-2017-15105

Title: Nlnetlabs Unbound Improper Input Validation

Improper Input Validation

Proof Of Concept

No public PoC currently indexed for CVE-2017-15105.

CWE Category CWE-20
Published Date Jan 23, 2018
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 5.3 CVSS v3.0
Exploit Probability (EPSS)
2.63%

Vulnerability Summary

CVE-2017-15105: A flaw was found in the way unbound before 1.6.8 validated wildcard-synthesized NSEC records. An improperly validated wildcard NSEC record could be used to prove the non-existence (NXDOMAIN answer) of an existing wildcard record, or trick unbound into accepting a NODATA proof.

Impacted Vendors

N
nlnetlabs 1
U
unbound 1
F
fedoraproject 1

Reference Links

http://www.securityfocus.com/bid/102817 https://lists.debian.org/debian-lts-announce/2018/01/msg00039.html https://lists.debian.org/debian-lts-announce/2019/02/msg00022.html https://unbound.net/downloads/CVE-2017-15105.txt https://usn.ubuntu.com/3673-1/ http://www.securityfocus.com/bid/102817 https://lists.debian.org/debian-lts-announce/2018/01/msg00039.html https://lists.debian.org/debian-lts-announce/2019/02/msg00022.html https://unbound.net/downloads/CVE-2017-15105.txt https://usn.ubuntu.com/3673-1/
CVSS v3.0
Source Entity [email protected]
Severity MEDIUM
5.3
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
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:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2017-15105 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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Affected Stack

No specific products linked.