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cveMitreCVE-2021-41687
HistoryJun 28, 2022 - 1:15 p.m.

CVE-2021-41687

2022-06-2813:15:10
CWE-401
mitre
web.nvd.nist.gov
46
7
dcmtk
cve-2021-41687
memory leak
dos
nvd

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AI Score

7.8

Confidence

High

EPSS

0.001

Percentile

45.9%

JSON

DCMTK through 3.6.6 does not handle memory free properly. The program malloc a heap memory for parsing data, but does not free it when error in parsing. Sending specific requests to the dcmqrdb program incur the memory leak. An attacker can use it to launch a DoS attack.

Affected configurations

Nvd
Node
offisdcmtkRange≤3.6.6
VendorProductVersionCPE
offisdcmtk*cpe:2.3:a:offis:dcmtk:*:*:*:*:*:*:*:*

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CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AI Score

7.8

Confidence

High

EPSS

0.001

Percentile

45.9%

JSON
Related for CVE-2021-41687
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