SB2022092105 - Multiple vulnerabilities in Linux D-Bus Message Broker

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Main Vulnerability Database SB2022092105

SB2022092105 - Multiple vulnerabilities in Linux D-Bus Message Broker

Published: September 21, 2022

Security Bulletin ID SB2022092105
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) NULL pointer dereference (CVE-ID: CVE-2022-31213)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error when handling a malformed XML config file. A local user can supply a specially crafted XML file to the service and perform a denial of service (DoS) attack.


2) Out-of-bounds read (CVE-ID: CVE-2022-31212)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition when parsing DBus service Exec line in c-uitl/c-shquote. A local user can pass specially crafted input to the service, trigger an out-of-bounds read error and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References