D-Bus <1.12.24 / 1.13.x / 1.14.x<1.14.4 / 1.15.x<1.15.2 Crash via Malformed FD
CVE-2022-42012 Published on October 10, 2022

An issue was discovered in D-Bus before 1.12.24, 1.13.x and 1.14.x before 1.14.4, and 1.15.x before 1.15.2. An authenticated attacker can cause dbus-daemon and other programs that use libdbus to crash by sending a message with attached file descriptors in an unexpected format.

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Vulnerability Analysis

CVE-2022-42012 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. Public availability of a proof of concept (POC) exploit exists for CVE-2022-42012. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
NONE
Availability Impact:
HIGH

Weakness Type

Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.


Products Associated with CVE-2022-42012

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2022-42012 are published in these products:

D Busproject D Bus
 
Canonical Ubuntu Linux
 
Fedora Project Fedora
 
FreeDesktop Dbus
 

Exploit Probability

EPSS
0.17%
Percentile
37.78%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.