CVE-2021-41687
DCMTK Memory Leak DoS Vulnerability
Description
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.
INFO
Published Date :
June 28, 2022, 1:15 p.m.
Last Modified :
June 28, 2024, 7:15 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-41687.
| URL | 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 |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-41687 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-41687 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
Jun. 28, 2024
Action Type Old Value New Value Added Reference MITRE https://lists.debian.org/debian-lts-announce/2024/06/msg00022.html [No types assigned] -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Jul. 06, 2022
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://github.com/DCMTK/dcmtk No Types Assigned https://github.com/DCMTK/dcmtk Product, Third Party Advisory Changed Reference Type https://github.com/DCMTK/dcmtk/commit/a9697dfeb672b0b9412c00c7d36d801e27ec85cb No Types Assigned https://github.com/DCMTK/dcmtk/commit/a9697dfeb672b0b9412c00c7d36d801e27ec85cb Patch, Third Party Advisory Added CWE NIST CWE-401 Added CPE Configuration OR *cpe:2.3:a:offis:dcmtk:*:*:*:*:*:*:*:* versions up to (including) 3.6.6
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-41687 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-41687
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.12 }} 0.03%
score
0.45918
percentile