// For flags

CVE-2024-1930

No Limit on Number of Open Sessions / Bad Session Close Behaviour

Severity Score

6.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

No Limit on Number of Open Sessions / Bad Session Close Behaviour in dnf5daemon-server before 5.1.17 allows a malicious user to impact Availability via No Limit on Number of Open Sessions.

There is no limit on how many sessions D-Bus clients may create using the `open_session()` D-Bus method. For each session a thread is created in dnf5daemon-server. This spends a couple of hundred megabytes of memory in the process. Further connections will become impossible, likely because no more threads can be spawned by the D-Bus service.

Sin límite en el número de sesiones abiertas / mal comportamiento de cierre de sesión en dnf5daemon-server anterior a 5.1.17 permite que un usuario malintencionado afecte la disponibilidad mediante Sin límite en el número de sesiones abiertas. No hay límite en la cantidad de sesiones que los clientes D-Bus pueden crear usando el método D-Bus `open_session()`. Para cada sesión se crea un hilo en dnf5daemon-server. Esto gasta un par de cientos de megabytes de memoria en el proceso. Será imposible realizar más conexiones, probablemente porque el servicio D-Bus no puede generar más subprocesos.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2024-02-27 CVE Reserved
  • 2024-05-08 CVE Published
  • 2024-05-08 EPSS Updated
  • 2024-08-01 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-400: Uncontrolled Resource Consumption
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Fedora
Search vendor "Fedora"
 Dnf5daemon-server
Search vendor "Fedora" for product "Dnf5daemon-server"
*en
Affected