F5 BIG-IP up to 14.1.3/15.1.4.0/16.0.x Client SSL Profile resource consumption

CVSS Meta Temp Score
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3.0$0-$5k0.00

A vulnerability, which was classified as problematic, was found in F5 BIG-IP up to 14.1.3/15.1.4.0/16.0.x (Firewall Software). This affects some unknown processing of the component Client SSL Profile. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-400. This is going to have an impact on availability. The summary by CVE is:

On BIG-IP versions 16.x before 16.1.0, 15.1.x before 15.1.4.1, and 14.1.2.6-14.1.4.4, when a Client SSL profile is configured on a virtual server with Client Certificate Authentication set to request/require and Session Ticket enabled and configured, processing SSL traffic can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

The weakness was released 01/26/2022 as K08476614. It is possible to read the advisory at support.f5.com. This vulnerability is uniquely identified as CVE-2022-23015 since 01/10/2022. The exploitability is told to be difficult. It is possible to initiate the attack remotely. Required for exploitation is a authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading to version 14.1.4, 15.1.4.1 or 16.1.0 eliminates this vulnerability.

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CPE 2.3infoedit

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CVSSv3infoedit

VulDB Meta Base Score: 3.1
VulDB Meta Temp Score: 3.0

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2infoedit

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

Exploitinginfoedit

Class: Denial of service
CWE: CWE-400
ATT&CK: T1499

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

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

Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: BIG-IP 14.1.4/15.1.4.1/16.1.0

Timelineinfoedit

01/10/2022 CVE reserved
01/26/2022 +16 days Advisory disclosed
01/26/2022 +0 days VulDB entry created
01/28/2022 +2 days VulDB last update

Sourcesinfoedit

Vendor: f5.com

Advisory: K08476614
Status: Confirmed

CVE: CVE-2022-23015 (🔒)

Entryinfoedit

Created: 01/26/2022 08:50 AM
Updated: 01/28/2022 05:40 PM
Changes: (1) source_cve_nvd_summary
Complete: 🔍

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