VulnerabilityModified
CVE-2023-40890
A stack-based buffer overflow vulnerability exists in the lookup_sequence function of ZBar 0.23.90.
CRITICAL 9.8EPSS 1.95%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.95%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.95% probability · 79th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- zbar project/zbar
- Source
- cve@mitre.org
References
- https://hackmd.io/%40cspl/H1PxPAUnn
- https://lists.debian.org/debian-lts-announce/2023/12/msg00001.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/25LZZQJGGZRPLKTRNRNOTAFQJIPS7WRP/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DC7V5YCLCPB36J2KY6WLZCABFLBRB665/
- https://hackmd.io/%40cspl/H1PxPAUnn
- https://lists.debian.org/debian-lts-announce/2023/12/msg00001.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/25LZZQJGGZRPLKTRNRNOTAFQJIPS7WRP/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DC7V5YCLCPB36J2KY6WLZCABFLBRB665/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DC7V5YCLCPB36J2KY6WLZCABFLBRB665/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.