SB2022041348 - SUSE update for netatalk 



SB2022041348 - SUSE update for netatalk

Published: April 13, 2022

Security Bulletin ID SB2022041348
Severity
High
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 67% Medium 33%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Heap-based buffer overflow (CVE-ID: CVE-2021-31439)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the processing of DSI structures in Netatalk. A remote attacker on the local network can trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


2) Improper Handling of Exceptional Conditions (CVE-ID: CVE-2022-23121)

The vulnerability allows a remote attacker to execute arbitrary commands on the target system.

The vulnerability exists due to improper handling of exceptional conditions in the parse_entries function when parsing AppleDouble entries. A remote unauthenticated attacker can pass specially crafted data to the application and execute arbitrary commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


3) Stack-based buffer overflow (CVE-ID: CVE-2022-23125)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the copyapplfile function. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.