DCMTK up to 3.6.6 dcmqrdb memory leak

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in DCMTK up to 3.6.6. The affected element is an unknown function of the component dcmqrdb. Executing a manipulation can lead to memory leak. This vulnerability is tracked as CVE-2021-41690. No exploit exists. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in DCMTK up to 3.6.6. It has been declared as problematic. This vulnerability affects an unknown part of the component dcmqrdb. The manipulation with an unknown input leads to a memory leak vulnerability. The CWE definition for the vulnerability is CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. As an impact it is known to affect availability. CVE summarizes:

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.

The weakness was disclosed 06/29/2022 as a9697dfeb672b0b9412c00c7d36d801e27ec85cb. The advisory is shared for download at github.com. This vulnerability was named CVE-2021-41690 since 09/27/2021. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 211270 (Fedora 37 : OpenImageIO / ctk / dcmtk (2022-73bf8ee661)), which helps to determine the existence of the flaw in a target environment.

Applying the patch a9697dfeb672b0b9412c00c7d36d801e27ec85cb is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at Tenable (211270). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory leak
CWE: CWE-401 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 211270
Nessus Name: Fedora 37 : OpenImageIO / ctk / dcmtk (2022-73bf8ee661)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: a9697dfeb672b0b9412c00c7d36d801e27ec85cb

Timelineinfo

09/27/2021 🔍
06/29/2022 +275 days 🔍
06/29/2022 +0 days 🔍
11/16/2024 +871 days 🔍

Sourcesinfo

Product: github.com

Advisory: a9697dfeb672b0b9412c00c7d36d801e27ec85cb
Status: Confirmed

CVE: CVE-2021-41690 (🔍)
GCVE (CVE): GCVE-0-2021-41690
GCVE (VulDB): GCVE-100-202912

Entryinfo

Created: 06/29/2022 08:06
Updated: 11/16/2024 12:29
Changes: 06/29/2022 08:06 (41), 07/16/2022 11:43 (18), 06/29/2024 02:00 (16), 11/16/2024 12:29 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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