Home/CVE/D-Bus before 1.15.6 sometimes allows unprivileged users to crash dbus-daemon. If a privileged user with control over the
CVE

CVE-2023-34969

D-Bus before 1.15.6 sometimes allows unprivileged users to crash dbus-daemon. If a privileged user with control over the

D-Bus before 1.15.6 sometimes allows unprivileged users to crash dbus-daemon. If a privileged user with control over the dbus-daemon is using the org.freedesktop.DBus.Monitoring interface to monitor message bus traffic, then an unprivileged user with the ability to connect to the same dbus-daemon can cause a dbus-daemon crash under some circumstances via an unreplyable message. When done on the well-known system bus, this is a denial-of-service vulnerability.

The fixed versions are 1.12.28, 1.14.8, and 1.15.6.

MEDIUM · CVSS 6.5 EPSS 0.0094
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-404Improper Resource Shutdown or Release
▤

Affected Products & Versions

5
freedesktop dbus>= 1.12.0 and < 1.12.28
freedesktop dbus>= 1.14.0 and < 1.14.8
freedesktop dbus>= 1.15.0 and < 1.15.6
fedoraproject fedoraall versions
debian linuxall versions
⚠

Public Exploits & PoCs

1
pocgitlab.freedesktop.org · issues/457gitlab.freedesktop.org
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD08 Jun 2023 · 03:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

13
suse-csafopenSUSE-SU-2024:12996-1
siemens-csafSSA-806742
siemens-csafSSA-398330
usnUSN-6372-1
suse-csafSUSE-SU-2023:2876-1
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://lists.debian.org/debian-lts-announce/2023/10/msg00033.htmlMailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BZYCDRMD7B4XO4HF6C6YTLH4YUD7TANP/Mailing ListThird Party Advisory
https://security.netapp.com/advisory/ntap-20231208-0007/
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