Integer overflow in Zchunk - CVE-2023-46228
Published: November 10, 2023
Vulnerability identifier: #VU82977
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2023-46228
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Zchunk
Affected software:
Zchunk
Zchunk
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow when processing files in lib/comp/comp.c, lib/comp/zstd/zstd.c, lib/dl/multipart.c, and lib/header.c. A remote attacker can pass specially crafted file to the application, trigger an integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2023-46228
Install updates from vendor's website.