Memory Leak Vulnerability in DCMTK by Offis GmbH
CVE-2021-41690

7.5HIGH

Key Information:

Vendor

Offis

Status
Dcmtk
Vendor
CVE Published:
28 June 2022

What is CVE-2021-41690?

DCMTK versions prior to 3.6.6 contain a vulnerability that fails to adequately manage memory allocation, particularly concerning the storage of file information within a global variable. This oversight can be exploited by sending specially crafted requests to the dcmqrdb service, resulting in memory not being freed properly. Such memory leak can lead to significant service disruption, leaving systems vulnerable to Denial of Service (DoS) attacks.

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References

https://github.com/DCMTK/dcmtk
https://github.com/DCMTK/dcmtk/commit/a9697dfeb672b0b9412...
https://lists.debian.org/debian-lts-announce/2024/06/msg0...
mailing-list

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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