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Security Advisories: GSA_kwCzR0hTQS04eGd4LTc1cXctNjI2OM2uTA

Improper privilege management in pyftpdlib

The ftp_PORT function in FTPServer.py in pyftpdlib before 0.2.0 does not prevent TCP connections to privileged ports if the destination IP address matches the source IP address of the connection from the FTP client, which might allow remote authenticated users to conduct FTP bounce attacks via crafted FTP data, as demonstrated by an FTP bounce attack against a NAT server, a related issue to CVE-1999-0017.

Permalink: https://github.com/advisories/GHSA-8xgx-75qw-6268
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS04eGd4LTc1cXctNjI2OM2uTA
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: almost 2 years ago
Updated: about 1 year ago


CVSS Score: 6.3
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Identifiers: GHSA-8xgx-75qw-6268, CVE-2007-6741
References: Repository: https://github.com/giampaolo/pyftpdlib

Affected Packages

pypi:pyftpdlib
Dependent packages: 21
Dependent repositories: 326
Downloads: 263,263 last month
Affected Version Ranges: < 0.2.0
Fixed in: 0.2.0
All affected versions:
All unaffected versions: 0.2.0, 0.3.0, 0.4.0, 0.5.0, 0.5.1, 0.5.2, 0.6.0, 0.7.0, 1.0.0, 1.0.1, 1.1.0, 1.2.0, 1.3.0, 1.3.1, 1.4.0, 1.5.0, 1.5.1, 1.5.2, 1.5.3, 1.5.4, 1.5.5, 1.5.6, 1.5.7, 1.5.8, 1.5.9