F5 BIG-IP up to 14.1.4/15.1.6.0/16.1.2.1 HTTP/2 Profile resource consumption

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in F5 BIG-IP up to 14.1.4/15.1.6.0/16.1.2.1. This issue affects some unknown processing of the component HTTP2 Profile Handler. This manipulation causes resource consumption. This vulnerability is tracked as CVE-2022-35236. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in F5 BIG-IP up to 14.1.4/15.1.6.0/16.1.2.1 (Firewall Software) and classified as critical. Affected by this vulnerability is some unknown functionality of the component HTTP2 Profile Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. The CWE definition for the vulnerability is CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. As an impact it is known to affect availability. The summary by CVE is:

In BIG-IP Versions 16.1.x before 16.1.2.2, 15.1.x before 15.1.6.1, and 14.1.x before 14.1.5, when an HTTP2 profile is configured on a virtual server, undisclosed 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 disclosed 08/05/2022 as K79933541. It is possible to read the advisory at support.f5.com. This vulnerability is known as CVE-2022-35236 since 07/19/2022. 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 14.1.5, 15.1.6.1 or 16.1.2.2 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

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

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

CVSSv2info

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

Exploitinginfo

Class: Resource consumption
CWE: 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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: BIG-IP 14.1.5/15.1.6.1/16.1.2.2

Timelineinfo

07/19/2022 🔍
08/05/2022 +17 days 🔍
08/05/2022 +0 days 🔍
08/05/2022 +0 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: K79933541
Status: Confirmed

CVE: CVE-2022-35236 (🔍)
GCVE (CVE): GCVE-0-2022-35236
GCVE (VulDB): GCVE-100-205627

Entryinfo

Created: 08/05/2022 08:07
Changes: 08/05/2022 08:07 (52)
Complete: 🔍
Cache ID: 216::103

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