CVE-2002-0068

Squid < 2.4_stable_3 - DoS and RCE via FTP URL with Excessive Special Characters

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2002-0068. PoCs published by gunzip.

AI-analyzed exploit summary This exploit targets a buffer overflow in Squid proxy server's FTP URL handling (CVE-2002-0068). It includes multiple shellcode variants (bind shell, connect-back) and attempts to execute arbitrary code with the privileges of the Squid process.

Description

Squid 2.4 STABLE3 and earlier allows remote attackers to cause a denial of service (core dump) and possibly execute arbitrary code with an ftp:// URL with a larger number of special characters, which exceed the buffer when Squid URL-escapes the characters.

Exploits (1)

exploitdb WORKING POC VERIFIED
by gunzip · cremoteunix
https://www.exploit-db.com/exploits/21297

This exploit targets a buffer overflow in Squid proxy server's FTP URL handling (CVE-2002-0068). It includes multiple shellcode variants (bind shell, connect-back) and attempts to execute arbitrary code with the privileges of the Squid process.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Racy
Target: Squid proxy server 2.0 to 2.4.DEVEL4
Auth required
Prerequisites: FTP proxying enabled in Squid · Access to Squid proxy · Victim host must have an FTP server running
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (14)

Core 14
Core References
Vendor Advisory vendor-advisory x_refsource_conectiva
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000464
Vendor Advisory vendor-advisory x_refsource_suse
http://www.novell.com/linux/security/advisories/2002_008_squid_txt.html
Various Sources vendor-advisory x_refsource_mandrake
http://www.linux-mandrake.com/en/security/2002/MDKSA-2002-016.php
Mailing List mailing-list x_refsource_bugtraq
http://marc.info/?l=bugtraq&m=101440163111826&w=2
Mailing List mailing-list x_refsource_bugtraq
http://marc.info/?l=bugtraq&m=101443252627021&w=2
Various Sources vendor-advisory x_refsource_freebsd
ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-02:12.squid.asc
Third Party Advisory vendor-advisory x_refsource_caldera
http://archives.neohapsis.com/archives/linux/caldera/2002-q1/0014.html
Mailing List mailing-list x_refsource_bugtraq
http://marc.info/?l=bugtraq&m=101431040422095&w=2
Patch, Vendor Advisory vendor-advisory x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2002-029.html
Vendor Advisory vendor-advisory x_refsource_caldera
http://www.caldera.com/support/security/advisories/CSSA-2002-010.0.txt
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://www.osvdb.org/5378
Third Party Advisory vdb-entry x_refsource_xf
http://www.iss.net/security_center/static/8258.php
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/4148

Scores

EPSS 0.0945
EPSS Percentile 94.8%

Details

Status published
Products (5)
redhat/linux 6.2 (3 CPE variants)
redhat/linux 7.0 (2 CPE variants)
redhat/linux 7.1 (3 CPE variants)
redhat/linux 7.2 (2 CPE variants)
squid/squid < 2.4_stable_3
Published Mar 08, 2002
Tracked Since Feb 18, 2026