Cloudflare tokio-boring up to 4.1.0 TLS Connection set_ex_data resource consumption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.3 | $0-$5k | 0.00 |
Summary
A vulnerability described as problematic has been identified in Cloudflare tokio-boring up to 4.1.0. This vulnerability affects the function set_ex_data of the component TLS Connection Handler. Such manipulation leads to resource consumption.
This vulnerability is documented as CVE-2023-6180. The attack can be executed remotely. There is not any exploit available.
Details
A vulnerability was found in Cloudflare tokio-boring up to 4.1.0 (Cloud Software). It has been rated as problematic. Affected by this issue is the function set_ex_data of the component TLS Connection Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. CVE summarizes:
The tokio-boring library in version 4.0.0 is affected by a memory leak issue that can lead to excessive resource consumption and potential DoS by resource exhaustion. The set_ex_data function used by the library did not deallocate memory used by pre-existing data in memory each time after completing a TLS connection causing the program to consume more resources with each new connection.
The weakness was released 12/05/2023 as GHSA-pjrj-h4fg-6gm4. The advisory is available at github.com. This vulnerability is handled as CVE-2023-6180 since 11/16/2023. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 5.3
CNA Vector (Cloudflare, Inc.): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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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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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
11/16/2023 🔍12/05/2023 🔍
12/05/2023 🔍
12/05/2023 🔍
Sources
Advisory: GHSA-pjrj-h4fg-6gm4Status: Confirmed
CVE: CVE-2023-6180 (🔍)
GCVE (CVE): GCVE-0-2023-6180
GCVE (VulDB): GCVE-100-246986
Entry
Created: 12/05/2023 17:52Changes: 12/05/2023 17:52 (51)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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