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Vulnerability record · CVE-2002-0713 · published 26 July 2002

CVE-2002-0713: Squid vulnerability

Squid · Squid

Buffer overflows in Squid before 2.4.STABLE6 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code (1) via the MSNT auth helper (msnt_auth) when using denyusers or allowusers files, (2) via the gopher client, or (3) via the FTP server directory listing parser when HTML output is generated.

7.5 CVSS 2.0 High EPSS 5.5% · top 7.5%
7.5CVSS 2.0 base score
5.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
26References
16 Jun 2026Last modified by NVD

Description

Buffer overflows in Squid before 2.4.STABLE6 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code (1) via the MSNT auth helper (msnt_auth) when using denyusers or allowusers files, (2) via the gopher client, or (3) via the FTP server directory listing parser when HTML output is generated.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
ftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2002-046.0.txt
http://marc.info/?l=bugtraq&m=102674543407606&w=2
http://rhn.redhat.com/errata/RHSA-2002-051.html
http://rhn.redhat.com/errata/RHSA-2002-130.html PatchVendor Advisory
http://www.iss.net/security_center/static/9480.php
http://www.iss.net/security_center/static/9481.php
http://www.iss.net/security_center/static/9482.php
http://www.linux-mandrake.com/en/security/2002/MDKSA-2002-044.php Patch
http://www.securityfocus.com/bid/5155
http://www.securityfocus.com/bid/5156
http://www.securityfocus.com/bid/5157
http://www.squid-cache.org/Advisories/SQUID-2002_3.txt PatchVendor Advisory
http://www.squid-cache.org/Versions/v2/2.4/bugs/ Patch
ftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2002-046.0.txt
http://marc.info/?l=bugtraq&m=102674543407606&w=2
http://rhn.redhat.com/errata/RHSA-2002-051.html
http://rhn.redhat.com/errata/RHSA-2002-130.html PatchVendor Advisory
http://www.iss.net/security_center/static/9480.php
http://www.iss.net/security_center/static/9481.php
http://www.iss.net/security_center/static/9482.php
http://www.linux-mandrake.com/en/security/2002/MDKSA-2002-044.php Patch
http://www.securityfocus.com/bid/5155
http://www.securityfocus.com/bid/5156
http://www.securityfocus.com/bid/5157
http://www.squid-cache.org/Advisories/SQUID-2002_3.txt PatchVendor Advisory
http://www.squid-cache.org/Versions/v2/2.4/bugs/ Patch

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2005-0194Squid vulnerabilitySquid 2.5, when processing the configuration file, parses empty Access Control Lists (ACLs), including proxy_auth ACLs without defined auth schemes, …EPSS 5.1%7.5CVE-2005-1711Clam anti-virus clamav vulnerabilityGibraltar Firewall 2.2 and earlier, when using the ClamAV update to 0.81 for Squid, uses a defunct ClamAV method to scan memory for viruses, which do…EPSS 1.0%7.5CVE-2005-0173Squid vulnerabilitysquid_ldap_auth in Squid 2.5 and earlier allows remote authenticated users to bypass username-based Access Control Lists (ACLs) via a username with a…EPSS 32%7.5CVE-2005-1345Squid vulnerabilitySquid 2.5.STABLE9 and earlier does not trigger a fatal error when it identifies missing or invalid ACLs in the http_access configuration, which could…EPSS 1.7%7.5CVE-2004-0189Squid vulnerabilityThe "%xx" URL decoding function in Squid 2.5STABLE4 and earlier allows remote attackers to bypass url_regex ACLs via a URL with a NULL ("%00") charac…EPSS 14%7.5CVE-2002-0714Squid vulnerabilityFTP proxy in Squid before 2.4.STABLE6 does not compare the IP addresses of control and data connections with the FTP server, which allows remote atta…EPSS 2.7%7.5CVE-2002-0163Squid vulnerabilityHeap-based buffer overflow in Squid before 2.4 STABLE4, and Squid 2.5 and 2.6 until March 12, 2002 distributions, allows remote attackers to cause a …EPSS 15%7.5CVE-2002-0067Squid vulnerabilitySquid 2.4 STABLE3 and earlier does not properly disable HTCP, even when "htcp_port 0" is specified in squid.conf, which could allow remote attackers …EPSS 3.7%

Source: NIST National Vulnerability Database (record CVE-2002-0713), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.