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.

CVSS v3 5.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
http://www.securityfocus.com/bid/102817	Third Party Advisory VDB Entry
https://lists.debian.org/debian-lts-announce/2018/01/msg00039.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/02/msg00022.html	Mailing List Third Party Advisory
https://unbound.net/downloads/CVE-2017-15105.txt	Patch Vendor Advisory
https://usn.ubuntu.com/3673-1/	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:nlnetlabs:unbound:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:7.0:::::::*
	cpe:2.3:o:debian:debian_linux:8.0:::::::*

Configuration 3 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:17.10:::::::*
	cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::

History

No history.

Information

Published : 2018-01-23 16:29

Updated : 2024-02-04 19:46

NVD link : CVE-2017-15105

Mitre link : CVE-2017-15105

CVE.ORG link : CVE-2017-15105

JSON object : View

Products Affected

nlnetlabs

unbound

debian

debian_linux

canonical

ubuntu_linux

CWE

CWE-20

Improper Input Validation

CWE-358

Improperly Implemented Security Check for Standard

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