NULL pointer dereference in OpenCV - CVE-2023-2617

Vulnerability identifier: #VU85604

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-2617

CWE-ID: CWE-476

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the DecodedBitStreamParser::decodeByteSegment() function in qrcode/decoder/decoded_bit_stream_parser.cpp. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

OpenCV
Ubuntu
libopencv-contrib4.5d (Ubuntu package)
libopencv-core4.5d (Ubuntu package)
libopencv-dev (Ubuntu package)
libopencv-dnn4.5d (Ubuntu package)
libopencv-flann4.5d (Ubuntu package)
libopencv-imgcodecs4.5d (Ubuntu package)
libopencv-objdetect4.5d (Ubuntu package)
opencv-data (Ubuntu package)
libopencv-core3.2 (Ubuntu package)
IBM Watson Discovery for IBM Cloud Pak for Data

Install updates from vendor's website.

OpenCV - update to 4.8.0
libopencv-contrib4.5d (Ubuntu package) - update to Ubuntu Pro
libopencv-core4.5d (Ubuntu package) - update to Ubuntu Pro
libopencv-dev (Ubuntu package) - update to Ubuntu Pro
libopencv-dnn4.5d (Ubuntu package) - update to Ubuntu Pro
libopencv-flann4.5d (Ubuntu package) - update to Ubuntu Pro
libopencv-imgcodecs4.5d (Ubuntu package) - update to Ubuntu Pro
libopencv-objdetect4.5d (Ubuntu package) - update to Ubuntu Pro
opencv-data (Ubuntu package) - update to Ubuntu Pro
libopencv-core3.2 (Ubuntu package) - update to Ubuntu Pro
IBM Watson Discovery for IBM Cloud Pak for Data - addressed in versions 4.8.6, 5.0.1

• https://vuldb.com/?ctiid.228547
• https://github.com/opencv/opencv_contrib/pull/3480
• https://vuldb.com/?id.228547
• https://gist.github.com/GZTimeWalker/3ca70a8af2f5830711e9cccc73fb5270

• Denial of service in OpenCV
• Multiple vulnerabilities in IBM Watson Discovery
• Ubuntu update for opencv