F5 BIG-IP Advanced WAF/BIG-IP ASM up to 16.1.3 Traffic Management Microkernel return of pointer value outside of expected range

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in F5 BIG-IP Advanced WAF and BIG-IP ASM up to 16.1.3. This affects an unknown part of the component Traffic Management Microkernel. The manipulation results in return of pointer value outside of expected range. This vulnerability is known as CVE-2024-21849. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in F5 BIG-IP Advanced WAF and BIG-IP ASM up to 16.1.3 (Firewall Software). It has been classified as critical. Affected is an unknown code block of the component Traffic Management Microkernel. The manipulation with an unknown input leads to a return of pointer value outside of expected range vulnerability. CWE is classifying the issue as CWE-466. A function can return a pointer to memory that is outside of the buffer that the pointer is expected to reference. This is going to have an impact on availability. CVE summarizes:

When an Advanced WAF/ASM security policy and a Websockets profile are configured on a virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) process to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

The weakness was published 02/14/2024 by F5 as K000135873. The advisory is shared for download at my.f5.com. This vulnerability is traded as CVE-2024-21849 since 02/01/2024. There are neither technical details nor an exploit publicly available.

Upgrading to version 16.1.4 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

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Website

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

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

Exploitinginfo

Class: Return of pointer value outside of expected range
CWE: CWE-466 / CWE-119
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: BIG-IP Advanced WAF/BIG-IP ASM 16.1.4

Timelineinfo

02/01/2024 🔍
02/14/2024 +13 days 🔍
02/14/2024 +0 days 🔍
12/13/2024 +303 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: K000135873
Researcher: F5
Status: Confirmed

CVE: CVE-2024-21849 (🔍)
GCVE (CVE): GCVE-0-2024-21849
GCVE (VulDB): GCVE-100-253860

Entryinfo

Created: 02/14/2024 18:38
Updated: 12/13/2024 02:38
Changes: 02/14/2024 18:38 (53), 12/13/2024 02:38 (26)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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