CVE-2021-41688

DCMTK through 3.6.6 does not handle memory free properly. The object in the program is free but its address is still used in other locations. Sending specific requests to the dcmqrdb program will incur a double free. An attacker can use it to launch a DoS attack.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/DCMTK/dcmtk	Product Third Party Advisory
https://github.com/DCMTK/dcmtk/commit/a9697dfeb672b0b9412c00c7d36d801e27ec85cb	Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2024/06/msg00022.html

Configurations

Configuration 1 (hide)

cpe:2.3:a:offis:dcmtk:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2022-06-28 13:15

Updated : 2024-06-28 19:15

NVD link : CVE-2021-41688

Mitre link : CVE-2021-41688

CVE.ORG link : CVE-2021-41688

JSON object : View

Products Affected

offis

dcmtk

CWE

CWE-415

Double Free

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