Multiple vulnerabilities in erofs-utils

Published: 2023-08-31 | Updated: 2023-09-21

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-33552 CVE-2023-33551
CWE-ID	CWE-122
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	erofs-utils Universal components / Libraries / Libraries used by multiple products
Vendor	kernel.org

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

Updated 21.09.2023

Added fixed version for vulnerabilities #1-2

1) Heap-based buffer overflow

EUVDB-ID: #VU80195

Risk: Low

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-33552

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

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.

Mitigation

Install update from vendor's website.

Vulnerable software versions

erofs-utils: 1.0 - 1.6

External links

http://github.com/lometsj/blog_repo/issues/1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Heap-based buffer overflow

EUVDB-ID: #VU80194