Bug 1214771 (CVE-2023-40890)

Summary:	VUL-0: CVE-2023-40890: zbar: stack-based buffer overflow vulnerability exists in the lookup_sequence function
Product:	[Novell Products] SUSE Security Incidents	Reporter:	Alexander Bergmann <abergmann>
Component:	Incidents	Assignee:	Security Team bot <security-team>
Status:	RESOLVED FIXED	QA Contact:	Security Team bot <security-team>
Severity:	Normal
Priority:	P3 - Medium	CC:	abergmann, coldpool, mvetter, pgajdos, rfrohl, security-team, stoyan.manolov, valentin.lefebvre
Version:	unspecified
Target Milestone:	---
Hardware:	Other
OS:	Other
URL:	https://smash.suse.de/issue/376617/
Whiteboard:	CVSSv3.1:SUSE:CVE-2023-40890:5.1:(AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)
Found By:	Security Response Team	Services Priority:
Business Priority:		Blocker:	---
Marketing QA Status:	---	IT Deployment:	---
Attachments:	POC

Description Alexander Bergmann 2023-08-30 06:44:49 UTC

CVE-2023-40890

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

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-40890
https://bugzilla.redhat.com/show_bug.cgi?id=2235858
https://www.cve.org/CVERecord?id=CVE-2023-40890
https://hackmd.io/@cspl/H1PxPAUnn

Comment 1 Alexander Bergmann 2023-08-30 06:45:40 UTC

There is no upstream commit reference. Waiting for information here:

https://github.com/mchehab/zbar/issues/263

Comment 2 Petr Gajdos 2023-09-08 09:11:15 UTC

No change in upstream bug.

Comment 5 Petr Gajdos 2023-10-12 13:22:14 UTC

No news in upstream bug.

Comment 9 Michael Vetter 2023-12-15 08:30:43 UTC

Created attachment 871377 [details]
POC

I asked the CVE reporters to send me the POC or publish it, since it was private up to know. I attached it to the bug and they updated their blogpost to include it as well.

Comment 13 Maintenance Automation 2023-12-22 08:30:26 UTC

SUSE-SU-2023:4948-1: An update that solves two vulnerabilities can now be installed.

Category: security (moderate)
Bug References: 1214770, 1214771
CVE References: CVE-2023-40889, CVE-2023-40890
Sources used:
openSUSE Leap 15.3 (src): zbar-0.23.1-150300.3.3.1
openSUSE Leap 15.4 (src): zbar-0.23.1-150300.3.3.1
openSUSE Leap 15.5 (src): zbar-0.23.1-150300.3.3.1
Desktop Applications Module 15-SP5 (src): zbar-0.23.1-150300.3.3.1
SUSE Package Hub 15 15-SP5 (src): zbar-0.23.1-150300.3.3.1
SUSE Linux Enterprise Real Time 15 SP4 (src): zbar-0.23.1-150300.3.3.1

NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.

Comment 17 Robert Frohl 2024-05-29 12:19:45 UTC

done, closing