Ecosyste.ms: Advisories

Security Advisories: GSA_kwCzR0hTQS1tM2Y0LTk1N3gtbTc4Nc4AA5OZ

lambda-middleware Inefficient Regular Expression Complexity vulnerability

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.

Permalink: https://github.com/advisories/GHSA-m3f4-957x-m785
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1tM2Y0LTk1N3gtbTc4Nc4AA5OZ
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Low
Classification: General
Published: 3 months ago
Updated: 2 months ago

CVSS Score: 3.5
CVSS vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Identifiers: GHSA-m3f4-957x-m785, CVE-2021-4437
References:

• https://nvd.nist.gov/vuln/detail/CVE-2021-4437
• https://github.com/dbartholomae/lambda-middleware/pull/57
• https://github.com/dbartholomae/lambda-middleware/commit/f689404d830cbc1edd6a1018d3334ff5f44dc6a6
• https://github.com/dbartholomae/lambda-middleware/releases/tag/@lambda-middleware/frameguard_v1.1.0
• https://vuldb.com/?ctiid.253406
• https://vuldb.com/?id.253406
• https://github.com/dbartholomae/lambda-middleware/releases/tag/%40lambda-middleware%2Fframeguard_v1.1.0
• https://github.com/advisories/GHSA-m3f4-957x-m785

Repository: https://github.com/dbartholomae/lambda-middleware
Blast Radius: 1.0

Affected Packages