F5 BIG-IP up to 13.1.0.5 RADIUS Authentication input validation

CVSS Meta Temp Score
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CTI Interest Score
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3.2$0-$5k0.00

Summaryinfo

A vulnerability was found in F5 BIG-IP up to 13.1.0.5. It has been classified as problematic. Affected is an unknown function of the component RADIUS Authentication. This manipulation causes input validation. This vulnerability is registered as CVE-2018-5515. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic was found in F5 BIG-IP up to 13.1.0.5 (Firewall Software). Affected by this vulnerability is an unknown code block of the component RADIUS Authentication. The manipulation with an unknown input 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:

On F5 BIG-IP 13.0.0-13.1.0.5, using RADIUS authentication responses from a RADIUS server with IPv6 addresses may cause TMM to crash, leading to a failover event.

The bug was discovered 05/01/2018. The weakness was published 05/02/2018 (Website). The advisory is shared at support.f5.com. This vulnerability is known as CVE-2018-5515 since 01/12/2018. The attack can be launched remotely. The requirement for exploitation is a single authentication. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 118688 (F5 Networks BIG-IP : RADIUS authentication vulnerability (K62750376)), 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370963 (F5 BIG-IP ASM Multiple Denial of Service Vulnerabilities (K62750376, K62201098)).

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 (118688) and SecurityFocus (BID 104099†). Similar entry is available at VDB-118635. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.2

VulDB Base Score: 2.2
VulDB Temp Score: 2.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.4
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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Nessus ID: 118688
Nessus Name: F5 Networks BIG-IP : RADIUS authentication vulnerability (K62750376)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/12/2018 🔍
04/30/2018 +108 days 🔍
05/01/2018 +1 days 🔍
05/01/2018 +0 days 🔍
05/02/2018 +0 days 🔍
05/02/2018 +0 days 🔍
05/03/2018 +1 days 🔍
11/02/2018 +183 days 🔍
03/08/2023 +1587 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: K62750376
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-5515 (🔍)
GCVE (CVE): GCVE-0-2018-5515
GCVE (VulDB): GCVE-100-117325
SecurityFocus: 104099 - F5 BIG-IP CVE-2018-5515 Remote Denial of Service Vulnerability
SecurityTracker: 1040802

See also: 🔍

Entryinfo

Created: 05/03/2018 10:35
Updated: 03/08/2023 14:57
Changes: 05/03/2018 10:35 (64), 02/02/2020 09:32 (10), 03/08/2023 14:57 (5)
Complete: 🔍
Cache ID: 216::103

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