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Security Advisories: GSA_kwCzR0hTQS04NHByLW00anItODVnNc4AA7Nz

flask-cors vulnerable to log injection when the log level is set to debug

corydolphin/flask-cors is vulnerable to log injection when the log level is set to debug. An attacker can inject fake log entries into the log file by sending a specially crafted GET request containing a CRLF sequence in the request path. This vulnerability allows attackers to corrupt log files, potentially covering tracks of other attacks, confusing log post-processing tools, and forging log entries. The issue is due to improper output neutralization for logs.

Permalink: https://github.com/advisories/GHSA-84pr-m4jr-85g5
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS04NHByLW00anItODVnNc4AA7Nz
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: 8 months ago
Updated: 7 months ago


CVSS Score: 5.3
CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Identifiers: GHSA-84pr-m4jr-85g5, CVE-2024-1681
References: Repository: https://github.com/corydolphin/flask-cors
Blast Radius: 22.7

Affected Packages

pypi:flask-cors
Dependent packages: 437
Dependent repositories: 18,926
Downloads: 14,396,271 last month
Affected Version Ranges: <= 4.0.0
Fixed in: 4.0.1
All affected versions: 1.1.1, 1.1.2, 1.1.3, 1.2.0, 1.2.1, 1.3.0, 1.3.1, 1.4.0, 1.5.0, 1.6.0, 1.6.1, 1.7.0, 1.7.1, 1.7.2, 1.7.3, 1.7.4, 1.8.0, 1.8.1, 1.9.0, 1.10.0, 1.10.1, 1.10.2, 1.10.3, 2.0.0, 2.0.1, 2.1.0, 2.1.1, 2.1.2, 2.1.3, 3.0.0, 3.0.1, 3.0.2, 3.0.3, 3.0.4, 3.0.6, 3.0.7, 3.0.8, 3.0.9, 3.0.10, 4.0.0
All unaffected versions: 4.0.1, 4.0.2, 5.0.0