6.5

CVE-2021-4437

dbartholomae lambda-middleware frameguard JSON Mime-Type JsonDeserializer.ts redos

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Dbartholomae ≫ Lambda-middleware Version <= 1.0.4
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.45% 0.354
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 6.5 2.8 3.6
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
cna@vuldb.com 3.5 2.1 1.4
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
cna@vuldb.com 2.7 5.1 2.9
AV:A/AC:L/Au:S/C:N/I:N/A:P
CWE-1333 Inefficient Regular Expression Complexity

The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles.

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