CVE-2021-4437
Apache Frameguard Regular Expression Complexity Vulnerability
Description
A vulnerability, which was classified as problematic, has been found in dbartholomae lambda-middleware frameguard up to 1.0.4. Affected by this issue is some unknown functionality of the file packages/json-deserializer/src/JsonDeserializer.ts of the component JSON Mime-Type Handler. The manipulation leads to inefficient regular expression complexity. Upgrading to version 1.1.0 is able to address this issue. The patch is identified as f689404d830cbc1edd6a1018d3334ff5f44dc6a6. It is recommended to upgrade the affected component. VDB-253406 is the identifier assigned to this vulnerability.
INFO
Published Date :
Feb. 12, 2024, 8:15 p.m.
Last Modified :
Nov. 21, 2024, 6:37 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
2.8
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-2021-4437.
| URL | Resource |
|---|---|
| https://github.com/dbartholomae/lambda-middleware/commit/f689404d830cbc1edd6a1018d3334ff5f44dc6a6 | Patch |
| https://github.com/dbartholomae/lambda-middleware/pull/57 | Patch |
| https://github.com/dbartholomae/lambda-middleware/releases/tag/%40lambda-middleware%2Fframeguard_v1.1.0 | Release Notes |
| https://vuldb.com/?ctiid.253406 | Permissions Required |
| https://vuldb.com/?id.253406 | Third Party Advisory |
| https://github.com/dbartholomae/lambda-middleware/commit/f689404d830cbc1edd6a1018d3334ff5f44dc6a6 | Patch |
| https://github.com/dbartholomae/lambda-middleware/pull/57 | Patch |
| https://github.com/dbartholomae/lambda-middleware/releases/tag/%40lambda-middleware%2Fframeguard_v1.1.0 | Release Notes |
| https://vuldb.com/?ctiid.253406 | Permissions Required |
| https://vuldb.com/?id.253406 | Third Party Advisory |
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-2021-4437 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-4437 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://github.com/dbartholomae/lambda-middleware/commit/f689404d830cbc1edd6a1018d3334ff5f44dc6a6 Added Reference https://github.com/dbartholomae/lambda-middleware/pull/57 Added Reference https://github.com/dbartholomae/lambda-middleware/releases/tag/%40lambda-middleware%2Fframeguard_v1.1.0 Added Reference https://vuldb.com/?ctiid.253406 Added Reference https://vuldb.com/?id.253406 -
Initial Analysis by [email protected]
Oct. 11, 2024
Action Type Old Value New Value Added CVSS V3.1 NIST AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://github.com/dbartholomae/lambda-middleware/commit/f689404d830cbc1edd6a1018d3334ff5f44dc6a6 No Types Assigned https://github.com/dbartholomae/lambda-middleware/commit/f689404d830cbc1edd6a1018d3334ff5f44dc6a6 Patch Changed Reference Type https://github.com/dbartholomae/lambda-middleware/pull/57 No Types Assigned https://github.com/dbartholomae/lambda-middleware/pull/57 Patch Changed Reference Type https://github.com/dbartholomae/lambda-middleware/releases/tag/%40lambda-middleware%2Fframeguard_v1.1.0 No Types Assigned https://github.com/dbartholomae/lambda-middleware/releases/tag/%40lambda-middleware%2Fframeguard_v1.1.0 Release Notes Changed Reference Type https://vuldb.com/?ctiid.253406 No Types Assigned https://vuldb.com/?ctiid.253406 Permissions Required Changed Reference Type https://vuldb.com/?id.253406 No Types Assigned https://vuldb.com/?id.253406 Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:dbartholomae:lambda-middleware:*:*:*:*:*:*:*:* versions up to (including) 1.0.4 -
CVE Modified by [email protected]
May. 17, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Apr. 11, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Mar. 21, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Feb. 29, 2024
Action Type Old Value New Value -
CVE Received by [email protected]
Feb. 12, 2024
Action Type Old Value New Value Added Description A vulnerability, which was classified as problematic, has been found in dbartholomae lambda-middleware frameguard up to 1.0.4. Affected by this issue is some unknown functionality of the file packages/json-deserializer/src/JsonDeserializer.ts of the component JSON Mime-Type Handler. The manipulation leads to inefficient regular expression complexity. Upgrading to version 1.1.0 is able to address this issue. The patch is identified as f689404d830cbc1edd6a1018d3334ff5f44dc6a6. It is recommended to upgrade the affected component. VDB-253406 is the identifier assigned to this vulnerability. Added Reference VulDB https://vuldb.com/?id.253406 [No types assigned] Added Reference VulDB https://vuldb.com/?ctiid.253406 [No types assigned] Added Reference VulDB https://github.com/dbartholomae/lambda-middleware/pull/57 [No types assigned] Added Reference VulDB https://github.com/dbartholomae/lambda-middleware/commit/f689404d830cbc1edd6a1018d3334ff5f44dc6a6 [No types assigned] Added Reference VulDB https://github.com/dbartholomae/lambda-middleware/releases/tag/%40lambda-middleware%2Fframeguard_v1.1.0 [No types assigned] Added CWE VulDB CWE-1333 Added CVSS V2 VulDB (AV:A/AC:L/Au:S/C:N/I:N/A:P) Added CVSS V3.1 VulDB AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-4437 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-2021-4437
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} -0.00%
score
0.11010
percentile