NULL pointer dereference in Opencv
CVE-2023-2617
A vulnerability classified as problematic was found in OpenCV wechat_qrcode Module up to 4.7.0. Affected by this vulnerability is the function DecodedBitStreamParser::decodeByteSegment of the file qrcode/decoder/decoded_bit_stream_parser.cpp. The manipulation leads to null pointer dereference. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-228547.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.014 (70.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 70.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
- Opencv
- Opencv Wechat Qrcode Module — versions 4.0, 4.1, 4.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/ (Permissions Required, technical-description, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required)
- github.com/opencv/opencv_contrib/pull/3480 (issue-tracking, Patch, patch, Issue Tracking)
- gist.github.com/GZTimeWalker/3ca70a8af2f5830711e9cccc73fb5270 (Product, exploit)
Frequently asked questions
- What is CVE-2023-2617?
- CVE-2023-2617 is a medium-severity vulnerability in Opencv, classified under NULL Pointer Dereference. CVSS score: 5.3/10. Published 2023-05-10.
- How severe is CVE-2023-2617?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2023-2617 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.