PT-2023-8677 · Zbar+5 · Zbar+5
Chang Oliver
·
Published
2023-08-29
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Updated
2025-11-04
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CVE-2023-40890
CVSS v2.0
10
Critical
| Vector | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Name of the Vulnerable Software and Affected Versions
ZBar version 0.23.90
Description
A stack-based buffer overflow vulnerability exists in the
lookup sequence function. Specially crafted QR codes may lead to information disclosure and/or arbitrary code execution. To trigger this vulnerability, an attacker can digitally input the malicious QR code, or prepare it to be physically scanned by the vulnerable scanner.Recommendations
For ZBar version 0.23.90, consider disabling the
lookup sequence function until a patch is available to prevent potential exploitation. Restrict access to the vulnerable function to minimize the risk of information disclosure and/or arbitrary code execution. Avoid using the vulnerable scanner to scan untrusted QR codes until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.Exploit
Memory Corruption
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Weakness Enumeration
Related Identifiers
Affected Products
Astra Linux
Linuxmint
Red Os
Suse
Ubuntu
Zbar