Bug 2235858 (CVE-2023-40890)

Summary: CVE-2023-40890 zbar: stack overflow via malicious qr code
Product: [Other] Security Response Reporter: Anten Skrabec <askrabec>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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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.
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Bug Depends On: 2235859, 2235860    
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Description Anten Skrabec 2023-08-29 22:02:39 UTC 
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.

https://hackmd.io/@cspl/H1PxPAUnn
Comment 1 Anten Skrabec 2023-08-29 22:02:56 UTC 
Created zbar tracking bugs for this issue:

Affects: epel-all [bug 2235859]
Affects: fedora-all [bug 2235860]