Juniper Junos Management Interface Packet input validation

CVSS Meta Temp Score
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5.7$0-$5k0.00

A vulnerability has been found in Juniper Junos (Router Operating System) (version unknown) and classified as problematic. This vulnerability affects an unknown function of the component Management Interface. The manipulation as part of a 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. CVE summarizes:

The Junos OS kernel crashes after processing a specific incoming packet to the out of band management interface (such as fxp0, me0, em0, vme0) destined for another address. By continuously sending this type of packet, an attacker can repeatedly crash the kernel causing a sustained Denial of Service. Affected releases are Juniper Networks Junos OS: 17.2 versions prior to 17.2R1-S7, 17.2R3; 17.3 versions prior to 17.3R3-S3; 17.4 versions prior to 17.4R1-S4, 17.4R2; 17.2X75 versions prior to 17.2X75-D110; 18.1 versions prior to 18.1R2.

The bug was discovered 01/09/2019. The weakness was released 01/15/2019 (Website). The advisory is available at kb.juniper.net. This vulnerability was named CVE-2019-0011 since 10/11/2018. The exploitation appears to be easy. The attack needs to approached within the local network. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 121215 (Junos OS: Kernel crash after processing specific incoming packet to the out of band management interface (JSA10911)), 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 43643 (Juniper Junos OS Kernel crash Vulnerability (JSA10911)).

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (121215) and SecurityFocus (BID 106534†). Entries connected to this vulnerability are available at VDB-129770, VDB-129769, VDB-129768 and VDB-129767. Once again VulDB remains the best source for vulnerability data.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.7

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

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector (Juniper Networks, Inc.): 🔍

CVSSv2info

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

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

Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 121215
Nessus Name: Junos OS: Kernel crash after processing specific incoming packet to the out of band management interface (JSA10911)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/11/2018 🔍
01/09/2019 +90 days 🔍
01/09/2019 +0 days 🔍
01/09/2019 +0 days 🔍
01/15/2019 +6 days 🔍
01/15/2019 +0 days 🔍
01/16/2019 +1 days 🔍
01/16/2019 +0 days 🔍
07/01/2023 +1627 days 🔍

Sourcesinfo

Vendor: juniper.net

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

CVE: CVE-2019-0011 (🔍)
SecurityFocus: 106534 - Juniper Junos CVE-2019-0011 Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 01/16/2019 01:23 PM
Updated: 07/01/2023 09:03 AM
Changes: 01/16/2019 01:23 PM (69), 06/04/2020 11:45 AM (5), 07/01/2023 09:03 AM (14)
Complete: 🔍
Cache ID: 18:011:40

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