RHSA-2002_130

Vulnerability from csaf_redhat - Published: 2002-07-12 22:58 - Updated: 2024-11-21 22:19
Summary
Red Hat Security Advisory: squid security update
Severity
Important
Notes
Topic: New Squid packages are available which fix various issues.
Details: Squid is a high-performance proxy caching server. The following summary describes the various issues found and fixed: Several buffer overflows have been found in the MSTN auth helper (msnt_auth) when configured to use denyusers or allowusers access control files. Several buffer overflows were found in the gopher client of Squid. It could be possible for a malicious gopher server to cause Squid to crash. A problem was found in the handling of the FTP data channel, possibly allowing abuse of the FTP proxy to bypass firewall rules or inject false FTP replies. Several possible buffer overflows were found in the code parsing FTP directories, which potentially allow for an untrusted FTP server to crash Squid. Thanks go to Olaf Kirch and the Squid team for notifying us of the problems and to the Squid team for providing patches. All users of Squid are advised to upgrade to these errata packages which contain patches to correct each of these issues.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
CVE-2002-0713

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.

Affected products
Product Identifier Version Remediation
Red Hat Enterprise Linux AS (Advanced Server) version 2.1
Red Hat / Red Hat Advanced Server
 cpe:/o:redhat:enterprise_linux:2.1::as —
Vendor Fix fix
Threats
Impact Important
CVE-2002-0714

FTP 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 attackers to bypass firewall rules or spoof FTP server responses.

Affected products
Fixed 1 product, the same list as for CVE-2002-0713
Threats
Impact Moderate
CVE-2002-0715

Vulnerability in Squid before 2.4.STABLE6 related to proxy authentication credentials may allow remote web sites to obtain the user's proxy login and password.

Affected products
Fixed 1 product, the same list as for CVE-2002-0713
Threats
Impact Important
References
To clipboard 

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        "text": "Squid is a high-performance proxy caching server. The following summary\ndescribes the various issues found and fixed:\n\nSeveral buffer overflows have been found in the MSTN auth helper\n(msnt_auth) when configured to use denyusers or allowusers access control\nfiles.\n\nSeveral buffer overflows were found in the gopher client of Squid. It\ncould be possible for a malicious gopher server to cause Squid to crash.\n\nA problem was found in the handling of the FTP data channel, possibly\nallowing abuse of the FTP proxy to bypass firewall rules or inject false\nFTP replies.\n\nSeveral possible buffer overflows were found in the code parsing FTP\ndirectories, which potentially allow for an untrusted FTP server to crash\nSquid.\n\nThanks go to Olaf Kirch and the Squid team for notifying us of the\nproblems and to the Squid team for providing patches.\n\nAll users of Squid are advised to upgrade to these errata packages which\ncontain patches to correct each of these issues.",
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