CVE-2023-40889: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

August 29, 2023 (updated August 30, 2023)

A heap-based buffer overflow exists in the qr_reader_match_centers function of ZBar 0.23.90. 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.

References

github.com/advisories/GHSA-mhp6-jvpx-2p4m
hackmd.io/@cspl/B1ZkFZv23
nvd.nist.gov/vuln/detail/CVE-2023-40889

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