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CVE ID: CVE-2021-41689

Last updated: July 6, 2022, 7:44 p.m.

Severity: MEDIUM

Description

DCMTK through 3.6.6 does not handle string copy properly. Sending specific requests to the dcmqrdb program, it would query its database and copy the result even if the result is null, which can incur a head-based overflow. An attacker can use it to launch a DoS attack.

Severity score: 2.9 Base score: 5.0 Exploitability score: 10.0 Confidentiality impact: NONE Integrity impact: NONE User interaction required: False Published: June 28, 2022, 1:15 p.m. Data type: CVE Data format: MITRE Assigner: cve@mitre.org Problem type: CWE-476 Reference url: https://github.com/DCMTK/dcmtk Reference name: https://github.com/DCMTK/dcmtk Reference source: MISC CVE version: 2.0 Vector string: AV:N/AC:L/Au:N/C:N/I:N/A:P Access vector: NETWORK Access complexity: LOW Authentication: NONE Base severity: AcInsf info: False Obtain all priviledges: False User privilege: False Other privilege: False

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