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CVE-2024-1930— No Limit on Number of Open Sessions / Bad Session Close Behaviour

Quick assessment

Affected
Fedora dnf5daemon-server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

DNF5是rpm-software-management开源的一个命令行包管理器。 DNF5 daemon-server 5.1.17 之前版本存在安全漏洞，该漏洞源于允许恶意用户通过不限制打开会话数量来影响可用性

CVSS 6.5 · Medium EPSS 0.30% · P22
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I. Basic Information for CVE-2024-1930

Vulnerability Information
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Vulnerability Title
No Limit on Number of Open Sessions / Bad Session Close Behaviour
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
DNF5 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
DNF5是rpm-software-management开源的一个命令行包管理器。 DNF5 daemon-server 5.1.17 之前版本存在安全漏洞，该漏洞源于允许恶意用户通过不限制打开会话数量来影响可用性
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Fedora dnf5daemon-server 5.1.16<= -

II. Public POCs for CVE-2024-1930

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III. Intelligence Information for CVE-2024-1930

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Mailing List Discussions for CVE-2024-1930 (1)

Same Patch Batch · Fedora · 2024-05-08 · 3 CVEs total

CVE-2024-2746 8.8 HIGH Incomplete fix for CVE-2024-1929
CVE-2024-1929 7.5 HIGH Local Root Exploit via Configuration Dictionary

IV. Related Vulnerabilities

Same product: dnf5daemon-server
Same vendor: Fedora
Same weakness: CWE-400