Juniper Junos up to 12.1x46 on SRX Network Address Translation IPv6 Packet input validation

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6.0$0-$5k0.00

A vulnerability was found in Juniper Junos up to 12.1x46 on SRX (Router Operating System). It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component Network Address Translation. The manipulation as part of a IPv6 Packet leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. 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. As an impact it is known to affect availability. The summary by CVE is:

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.

The bug was discovered 04/11/2018. The weakness was shared 04/11/2018 (Website). The advisory is shared at kb.juniper.net. This vulnerability is known as CVE-2018-0017 since 11/16/2017. The exploitation appears to be easy. The attack can be launched remotely. The successful exploitation needs a single authentication. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 109211 (Juniper Junos VPLS Routing MPLS Packet Handling mbuf Exhaustion Remote DoS (JSA10845)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Junos Local Security Checks and running in the context c. The commercial vulnerability scanner Qualys is able to test this issue with plugin 43580 (Juniper SRX Series Denial of service vulnerability (JSA10845)).

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (109211) and SecurityFocus (BID 103749†). The entries VDB-116093, VDB-116092, VDB-116090 and VDB-116088 are related to this item.

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.0

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector (Juniper Networks, Inc.): 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 109211
Nessus Name: Juniper Junos VPLS Routing MPLS Packet Handling mbuf Exhaustion Remote DoS (JSA10845)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
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Qualys ID: 🔍
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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Timelineinfo

11/16/2017 🔍
04/11/2018 +146 days 🔍
04/11/2018 +0 days 🔍
04/11/2018 +0 days 🔍
04/11/2018 +0 days 🔍
04/11/2018 +0 days 🔍
04/12/2018 +1 days 🔍
04/20/2018 +8 days 🔍
02/27/2023 +1774 days 🔍

Sourcesinfo

Vendor: juniper.net

Advisory: kb.juniper.net
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-0017 (🔍)
SecurityFocus: 103749 - Juniper Junos CVE-2018-0017 Denial of Service Vulnerability
SecurityTracker: 1040785

See also: 🔍

Entryinfo

Created: 04/12/2018 09:44 AM
Updated: 02/27/2023 02:20 PM
Changes: 04/12/2018 09:44 AM (71), 06/04/2020 09:33 AM (5), 02/09/2021 05:05 PM (3), 02/09/2021 05:10 PM (1), 02/27/2023 02:20 PM (12)
Complete: 🔍
Cache ID: 18:39A:40

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