Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×

Alerts This Week
Warning Icon 1 461
Alerts This Week
Warning Icon 1 461

Mageia 9: 2024-0374 critical: ZBar buffer overflow exploit

mageia
Calendar Grey November 27, 2024
Scroller Mageia
Patch for ZBar addresses urgent vulnerabilities in Mageia 9. Discover details on buffer overflow threats and their remediation.
A heap-based buffer overflow exists in the qr_reader_match_centers function of ZBar 0.23.90

Summary

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. CVE-2023-40889 A stack-based buffer overflow vulnerability exists in the lookup_sequence 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. CVE-2023-40890

References

- https://bugs.mageia.org/show_bug.cgi?id=33790

- https://ubuntu.com/security/notices/USN-7118-1

- https://www.cve.org/CVERecord?id=CVE-2023-40889

- https://www.cve.org/CVERecord?id=CVE-2023-40890

Resolution

SRPMS

- 9/core/zbar-0.23.93-1.mga9

Severity
critical
Lowest
Low
Medium
High
Critical

Publication date: 27 Nov 2024
URL: https://advisories.mageia.org/MGASA-2024-0374.html
Type: security
CVE: CVE-2023-40889, CVE-2023-40890

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.