// For flags

CVE-2021-41690

 

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

DCMTK through 3.6.6 does not handle memory free properly. The malloced memory for storing all file information are recorded in a global variable LST and are not freed properly. Sending specific requests to the dcmqrdb program can incur a memory leak. An attacker can use it to launch a DoS attack.

DCMTK versiones hasta 3.6.6 no maneja apropiadamente la memoria libre. La memoria mallocada para almacenar toda la información de los archivos es registrada en una variable global LST y no es liberada apropiadamente. El envío de peticiones específicas al programa dcmqrdb puede incurrir en una pérdida de memoria. Un atacante puede usarla para lanzar un ataque DoS

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
None
Automatable
Yes
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2021-09-27 CVE Reserved
  • 2022-06-28 CVE Published
  • 2024-06-29 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-401: Missing Release of Memory after Effective Lifetime
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Offis
Search vendor "Offis"
 Dcmtk
Search vendor "Offis" for product "Dcmtk"
 <= 3.6.6
Search vendor "Offis" for product "Dcmtk" and version " <= 3.6.6"
-
Affected