F5 BIG-IP up to 13.0.0 X.509 Certificate Verification certificate validation

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability was found in F5 BIG-IP up to 13.0.0 and classified as critical. Affected by this issue is some unknown functionality of the component X.509 Certificate Verification. Such manipulation leads to certificate validation. This vulnerability is documented as CVE-2017-6142. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in F5 BIG-IP up to 13.0.0 (Firewall Software). It has been rated as critical. Affected by this issue is an unknown code of the component X.509 Certificate Verification. The manipulation with an unknown input leads to a certificate validation vulnerability. Using CWE to declare the problem leads to CWE-295. The product does not validate, or incorrectly validates, a certificate. Impacted is confidentiality, integrity, and availability. CVE summarizes:

X509 certificate verification was not correctly implemented in the early access "user id" feature in the F5 BIG-IP Advanced Firewall Manager versions 13.0.0, 12.1.0-12.1.2, and 11.6.0-11.6.2, and thus did not properly validate the remote server's identity on certain versions of BIG-IP.

The bug was discovered 01/18/2018. The weakness was released 01/19/2018 (Website). The advisory is shared for download at securitytracker.com. This vulnerability is handled as CVE-2017-6142 since 02/21/2017. 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 MITRE ATT&CK project declares the attack technique as T1587.003.

The vulnerability scanner Nessus provides a plugin with the ID 118639 (F5 Networks BIG-IP : BIG-IP AFM vulnerability (K20682450)), 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 (118639) and SecurityTracker (ID 1040255†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Certificate validation
CWE: CWE-295 / CWE-287
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: 118639
Nessus Name: F5 Networks BIG-IP : BIG-IP AFM vulnerability (K20682450)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/21/2017 🔍
01/18/2018 +331 days 🔍
01/18/2018 +0 days 🔍
01/19/2018 +1 days 🔍
01/19/2018 +0 days 🔍
01/20/2018 +1 days 🔍
01/20/2018 +0 days 🔍
11/02/2018 +286 days 🔍
02/02/2023 +1553 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: K20682450⛔
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-6142 (🔍)
GCVE (CVE): GCVE-0-2017-6142
GCVE (VulDB): GCVE-100-112256
SecurityTracker: 1040255

Entryinfo

Created: 01/20/2018 13:32
Updated: 02/02/2023 10:04
Changes: 01/20/2018 13:32 (61), 12/29/2019 08:54 (11), 02/02/2023 10:04 (4)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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