Resource exhaustion in Rpm-Software-Management Dnf5

CVE-2024-1930

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.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.003 (22.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-1930?
CVE-2024-1930 is a medium-severity vulnerability in Rpm-Software-Management Dnf5, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2024-05-08.
How severe is CVE-2024-1930?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2024-1930 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.