Bug 2235858 (CVE-2023-40890) - CVE-2023-40890 zbar: stack overflow via malicious qr code
Summary: CVE-2023-40890 zbar: stack overflow via malicious qr code
Keywords:
Status: NEW
Alias: CVE-2023-40890
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2235859 2235860
Blocks:
TreeView+ depends on / blocked
 
Reported: 2023-08-29 22:02 UTC by Anten Skrabec
Modified: 2023-08-29 22:05 UTC (History)
0 users

Fixed In Version:
Doc Type: ---
Doc Text:
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.
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)

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]
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