DCMTK up to 3.6.6 dcmqrdb double free

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

A vulnerability was found in DCMTK up to 3.6.6 and classified as problematic. Affected by this issue is an unknown functionality of the component dcmqrdb. The manipulation with an unknown input leads to a double free vulnerability. Using CWE to declare the problem leads to CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. Impacted is availability. CVE summarizes:

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.

The weakness was published 06/29/2022 as a9697dfeb672b0b9412c00c7d36d801e27ec85cb. The advisory is available at github.com. This vulnerability is handled as CVE-2021-41688 since 09/27/2021. The technical details are unknown and an exploit is not available.

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

Productinfo

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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: Double free
CWE: CWE-415 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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 🔍
07/16/2022 +17 days 🔍

Sourcesinfo

Advisory: a9697dfeb672b0b9412c00c7d36d801e27ec85cb
Status: Confirmed

CVE: CVE-2021-41688 (🔍)

Entryinfo

Created: 06/29/2022 07:54
Updated: 07/16/2022 11:27
Changes: 06/29/2022 07:54 (41), 07/16/2022 11:27 (18)
Complete: 🔍

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