F5 BIG-IP up to 14.1.4/15.1.6.0/16.1.2 Service Connect Agent resource consumption

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.3 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in F5 BIG-IP up to 14.1.4/15.1.6.0/16.1.2 and classified as problematic. This impacts an unknown function of the component Service Connect Agent Handler. This manipulation causes resource consumption. This vulnerability is handled as CVE-2022-33203. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.
Details
A vulnerability was found in F5 BIG-IP up to 14.1.4/15.1.6.0/16.1.2 (Firewall Software). It has been declared as critical. Affected by this vulnerability is an unknown part of the component Service Connect Agent 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 16.1.3, 15.1.x before 15.1.6.1, and 14.1.x before 14.1.5, when a BIG-IP APM access policy with Service Connect agent is configured on a virtual server, undisclosed requests 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 08/05/2022 as K52534925. The advisory is shared at support.f5.com. This vulnerability is known as CVE-2022-33203 since 07/19/2022. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.
Upgrading to version 14.1.5, 15.1.6.1 or 16.1.3 eliminates this vulnerability.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://f5.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB 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): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Resource consumptionCWE: 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 |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: BIG-IP 14.1.5/15.1.6.1/16.1.3
Timeline
07/19/2022 🔍08/05/2022 🔍
08/05/2022 🔍
08/05/2022 🔍
Sources
Vendor: f5.comAdvisory: K52534925
Status: Confirmed
CVE: CVE-2022-33203 (🔍)
GCVE (CVE): GCVE-0-2022-33203
GCVE (VulDB): GCVE-100-205621
Entry
Created: 08/05/2022 07:35Changes: 08/05/2022 07:35 (52)
Complete: 🔍
Cache ID: 216::103
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