Heap-based buffer overflow in zbar - CVE-2023-40889
Published: December 5, 2023
Vulnerability identifier: #VU83882
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-2023-40889
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: zbar.sourceforge.net
Affected software:
zbar
zbar
Detailed vulnerability 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 qr_reader_match_centers() function. A remote attacker can trick the victim into scanning a specially crafted barcode, 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.
How to mitigate CVE-2023-40889
Install updates from vendor's website.