VDB-253869 · CVE-2024-23979 · K000134516

F5 BIG-IP up to 15.1.8/16.1.3/17.1.0 Certificate allocation of resources

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.
7.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in F5 BIG-IP up to 15.1.8/16.1.3/17.1.0. It has been rated as critical. Affected by this vulnerability is an unknown functionality of the component Certificate Handler. Performing a manipulation results in allocation of resources. This vulnerability is cataloged as CVE-2024-23979. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in F5 BIG-IP up to 15.1.8/16.1.3/17.1.0 (Firewall Software). It has been classified as critical. This affects an unknown function of the component Certificate Handler. The manipulation with an unknown input leads to a allocation of resources vulnerability. CWE is classifying the issue as CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. This is going to have an impact on availability. The summary by CVE is:

When SSL Client Certificate LDAP or Certificate Revocation List Distribution Point (CRLDP) authentication profile is configured on a virtual server, undisclosed requests can cause an increase in CPU resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

The weakness was shared 02/14/2024 as K000134516. The advisory is shared at my.f5.com. This vulnerability is uniquely identified as CVE-2024-23979 since 02/01/2024. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading to version 15.1.9, 16.1.4 or 17.1.1 eliminates this vulnerability.

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Productinfo

Type

Firewall Software

Vendor

Name

BIG-IP

Version

License

commercial

Website

Vendor: https://f5.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector (F5 Networks): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Allocation of resources
CWE: CWE-770 / CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: BIG-IP 15.1.9/16.1.4/17.1.1

Timelineinfo

02/01/2024 🔍
02/14/2024 +13 days 🔍
02/14/2024 +0 days 🔍
01/24/2025 +345 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: K000134516
Status: Confirmed

CVE: CVE-2024-23979 (🔍)
GCVE (CVE): GCVE-0-2024-23979
GCVE (VulDB): GCVE-100-253869

Entryinfo

Created: 02/14/2024 19:12
Updated: 01/24/2025 04:50
Changes: 02/14/2024 19:12 (52), 01/24/2025 04:50 (26)
Complete: 🔍
Cache ID: 216::103