IP Infusion ZebOS/OcNOS BGP Daemon Autonomous System input validation

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in IP Infusion ZebOS and OcNOS. Affected by this issue is some unknown functionality of the component BGP Daemon. Such manipulation as part of Autonomous System leads to input validation. This vulnerability is uniquely identified as CVE-2018-17539. The attack can be launched remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in IP Infusion ZebOS and OcNOS (Medical Device Software) (version unknown). It has been rated as problematic. Affected by this issue is an unknown function of the component BGP Daemon. The manipulation as part of a Autonomous System leads to a input validation vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. CVE summarizes:

The BGP daemon (bgpd) in all IP Infusion ZebOS versions to 7.10.6 and all OcNOS versions to 1.3.3.145 allow remote attackers to cause a denial of service attack via an autonomous system (AS) path containing 8 or more autonomous system number (ASN) elements.

The bug was discovered 12/27/2018. The weakness was disclosed 12/28/2018 (Website). The advisory is shared for download at support.f5.com. This vulnerability is handled as CVE-2018-17539 since 09/26/2018. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 119894 (F5 Networks BIG-IP : BIG-IP ARM BGP vulnerability (K17264695)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family F5 Networks Local Security Checks and running in the context l.

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

The vulnerability is also documented in the databases at Tenable (119894) and SecurityFocus (BID 106367†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 119894
Nessus Name: F5 Networks BIG-IP : BIG-IP ARM BGP vulnerability (K17264695)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/26/2018 🔍
12/27/2018 +92 days 🔍
12/27/2018 +0 days 🔍
12/28/2018 +1 days 🔍
12/28/2018 +0 days 🔍
12/28/2018 +0 days 🔍
12/28/2018 +0 days 🔍
12/29/2018 +1 days 🔍
06/22/2023 +1636 days 🔍

Sourcesinfo

Advisory: K17264695
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-17539 (🔍)
GCVE (CVE): GCVE-0-2018-17539
GCVE (VulDB): GCVE-100-128492
SecurityFocus: 106367 - F5 BIG-IP ARM BGP CVE-2018-17539 Remote Denial of Service Vulnerability

Entryinfo

Created: 12/29/2018 15:15
Updated: 06/22/2023 10:51
Changes: 12/29/2018 15:15 (65), 04/24/2020 19:03 (6), 06/22/2023 10:51 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Want to stay up to date on a daily basis?

Enable the mail alert feature now!