CVE-2018-0017 : A vulnerability in the Network Address Translation

A vulnerability in the Network Address Translation - Protocol Translation (NAT-PT) feature of Junos OS on SRX series devices may allow a certain valid IPv6 packet to crash the flowd daemon. Repeated crashes of the flowd daemon can result in an extended denial of service condition for the SRX device. Affected releases are Juniper Networks Junos OS: 12.1X46 versions prior to 12.1X46-D72; 12.3X48 versions prior to 12.3X48-D55; 15.1X49 versions prior to 15.1X49-D90.

Published 2018-04-11 19:29:00

Updated 2019-10-09 23:30:59

Source Juniper Networks, Inc.

View at NVD, CVE.org

Vulnerability category: Input validationDenial of service

Products affected by CVE-2018-0017

Juniper » Junos
Versions from including (>=) 15.1x49 and up to, including, (<=) 15.1x49\:d90
cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:*
Matching versions
Juniper » Junos
Versions from including (>=) 12.3x48 and up to, including, (<=) 12.3x48\:d55
cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:*
Matching versions
Juniper » Junos
Versions from including (>=) 12.1x46 and up to, including, (<=) 12.1x46\:d72
cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2018-0017

EPSS FAQ

0.13%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 48 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-0017

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.8	MEDIUM	AV:N/AC:L/Au:S/C:N/I:N/A:C	8.0	6.9	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: None Integrity Impact: None Availability Impact: Complete
6.5	MEDIUM	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	2.8	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High
7.5	HIGH	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	Juniper Networks, Inc.
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2018-0017

CWE-20 Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-0017

http://www.securityfocus.com/bid/103749

Juniper Junos CVE-2018-0017 Denial of Service Vulnerability
Third Party Advisory;VDB Entry
http://www.securitytracker.com/id/1040785

Juniper Junos Processing Flaw in NAT-PT Function Lets Remote Users Cause the Target Service to Crash - SecurityTracker
Third Party Advisory;VDB Entry
https://kb.juniper.net/JSA10845

Juniper Networks - 2018-04 Security Bulletin: SRX Series: Denial of service vulnerability in flowd daemon on devices configured with NAT-PT (CVE-2018-0017)
Vendor Advisory

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Vulnerability Details : CVE-2018-0017

Products affected by CVE-2018-0017

Exploit prediction scoring system (EPSS) score for CVE-2018-0017

CVSS scores for CVE-2018-0017

CWE ids for CVE-2018-0017

References for CVE-2018-0017