SB20240806135 - Amazon Linux AMI update for dbus-broker

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Main Vulnerability Database SB20240806135

SB20240806135 - Amazon Linux AMI update for dbus-broker

Published: August 6, 2024

Security Bulletin ID SB20240806135
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Partial DoS

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


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

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear


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.


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

CWE-ID: CWE-476 - NULL Pointer Dereference

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear


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.


Remediation

Install update from vendor's website.

References