CVE-2023-6180

Resource exhaustion via memory leak in tokio-boring

Severity Score

5.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

La librería tokio-boring en la versión 4.0.0 se ve afectada por un problema de pérdida de memoria que puede provocar un consumo excesivo de recursos y una posible DoS por agotamiento de los recursos. La función set_ex_data utilizada por la librería no desasignó la memoria utilizada por los datos preexistentes en la memoria cada vez que se completó una conexión TLS, lo que provocó que el programa consumiera más recursos con cada nueva conexión.

*Credits: Eric Rosenberg

CVSS Scores

NISTv3.1 5.3

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-11-16 CVE Reserved
2023-12-05 CVE Published
2024-08-02 CVE Updated
2024-11-04 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-400: Uncontrolled Resource Consumption
CWE-401: Missing Release of Memory after Effective Lifetime
CWE-404: Improper Resource Shutdown or Release

CAPEC

CAPEC-130: Excessive Allocation
CAPEC-131: Resource Leak Exposure

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://github.com/cloudflare/boring/security/advisories/GHSA-pjrj-h4fg-6gm4	2023-12-12

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Cloudflare Search vendor "Cloudflare"		Boring Search vendor "Cloudflare" for product "Boring"				4.0.0 Search vendor "Cloudflare" for product "Boring" and version "4.0.0"		rust		Affected