SB2023083129 - Fedora 38 update for erofs-utils



SB2023083129 - Fedora 38 update for erofs-utils

Published: August 31, 2023

Security Bulletin ID SB2023083129
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Heap-based buffer overflow (CVE-ID: CVE-2023-33551)

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

The vulnerability exists due to a boundary error within the erofsfsck_dirent_iter() function in fsck/main.c. A remote attacker can trick the victim to use a specially crafted filesystem image to trigger a 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) Heap-based buffer overflow (CVE-ID: CVE-2023-33552)

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

The vulnerability exists due to a boundary error within the erofs_read_one_data() function in data.c. A remote attacker can trick the victim to use a specially crafted filesystem image to trigger a 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.


Remediation

Install update from vendor's website.