NULL pointer dereference in DCMTK - CVE-2022-2121
Published: June 24, 2022
Vulnerability identifier: #VU64633
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-2121
CWE-ID: CWE-476
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error while processing DICOM files. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.
Affected software
DCMTK
Fedora
dcmtk
Fedora
dcmtk
How to mitigate CVE-2022-2121
Install updates from vendor's website.
DCMTK - update to 3.6.7
dcmtk - addressed in versions 3.6.4-11.el8, 3.6.6-12.el9
dcmtk - addressed in versions 3.6.4-11.el8, 3.6.6-12.el9