RHSA-2004:133
Vulnerability from csaf_redhat
Published
2004-04-14 13:58
Modified
2024-11-21 23:00
Summary
Red Hat Security Advisory: squid security update

Notes

Topic
An updated squid package is avaliable that fixes a security vulnerability in URL decoding and provides a new ACL type for protecting vulnerable clients.
Details
Squid is a full-featured Web proxy cache. A bug was found in the processing of %-encoded characters in a URL in versions of Squid 2.5.STABLE4 and earlier. If a Squid configuration uses Access Control Lists (ACLs), a remote attacker could create URLs that would not be correctly tested against Squid's ACLs, potentially allowing clients to access prohibited URLs. Users of Squid should update to these erratum packages which are not vulnerable to this issue. In addition, these packages contain a new Access Control type, "urllogin", which can be used to protect vulnerable Microsoft Internet Explorer clients from accessing URLs that contain login information. Such URLs are often used by fraudsters to trick web users into revealing valuable personal data. Note that the default Squid configuration does not make use of this new access control type. You must explicitly configure Squid with ACLs that use this new type, in accordance with your own site policies.
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.


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            "3WS:squid-debuginfo-7:2.5.STABLE3-5.3E.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2004:133"
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "security flaw"
    }
  ]
}


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