Executive Summary

Summary
Title 3proxy: Denial of Service
Informations
Name GLSA-200711-13 First vendor Publication 2007-11-08
Vendor Gentoo Last vendor Modification 2007-11-08
Severity (Vendor) Normal Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Synopsis

A vulnerability has been discovered in 3proxy, possibly resulting in a Denial of Service.

Background

3proxy is a really tiny cross-platform proxy servers set, including HTTP, HTTPS, FTP, SOCKS and POP3 support.

Description

3proxy contains a double free vulnerability in the ftpprchild()
function, which frees param->hostname and calls the parsehostname()
function, which in turn attempts to free param->hostname again.

Impact

A remote attacker could send a specially crafted request to the proxy, possibly resulting in a Denial of Service. Under typical configuration, the scope of this vulnerability is limited to the local network.

Workaround

There is no known workaround at this time.

Resolution

All 3proxy users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-proxy/3proxy-0.5.3j"

References

[ 1 ] CVE-2007-5622 : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5622

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:

http://security.gentoo.org/glsa/glsa-200711-13.xml

Original Source

Url : http://security.gentoo.org/glsa/glsa-200711-13.xml

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-399 Resource Management Errors

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 6

OpenVAS Exploits

Date Description
2008-09-24 Name : Gentoo Security Advisory GLSA 200711-13 (3proxy)
File : nvt/glsa_200711_13.nasl

Open Source Vulnerability Database (OSVDB)

Id Description
41870 3proxy FTP Proxy Module ftppr ftpprchild Function OPEN Command DoS

Nessus® Vulnerability Scanner

Date Description
2007-11-09 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-200711-13.nasl - Type : ACT_GATHER_INFO

Alert History

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0
Date Informations
2014-02-17 11:35:18
  • Multiple Updates