CVE-2023-40890 Memory corruption in n/a
A stack-based buffer overflow in ZBar allows attackers to execute arbitrary code or disclose information via crafted QR codes.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-40890?
CVE-2023-40890 is a critical memory corruption vulnerability in n/a, published on 29 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-787
Which versions are affected by CVE-2023-40890?
It affects 1 product.
Products include Zbar Project Zbar.
How do I fix CVE-2023-40890?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2023-40890 being exploited?
There is no known exploitation of CVE-2023-40890 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2023-40890, GHSA-p3ww-vpp7-fpm5, UBUNTU-CVE-2023-40890.