rhsa-2008_0295
Vulnerability from csaf_redhat
Published
2008-05-21 14:16
Modified
2024-11-22 01:41
Summary
Red Hat Security Advisory: vsftpd security and bug fix update

Notes

Topic
An updated vsftpd package that fixes a security issue and several bugs is now available for Red Hat Enterprise Linux 5. This update has been rated as having low security impact by the Red Hat Security Response Team.
Details
The vsftpd package includes a Very Secure File Transfer Protocol (FTP) daemon. A memory leak was discovered in the vsftpd daemon. An attacker who is able to connect to an FTP service, either as an authenticated or anonymous user, could cause vsftpd to allocate all available memory if the "deny_file" option was enabled in vsftpd.conf. (CVE-2007-5962) As well, this updated package fixes following bugs: * a race condition could occur even when the "lock_upload_files" option is set. When uploading two files simultaneously, the result was a combination of the two files. This resulted in uploaded files becoming corrupted. In these updated packages, uploading two files simultaneously will result in a file that is identical to the last uploaded file. * when the "userlist_enable" option is used, failed log in attempts as a result of the user not being in the list of allowed users, or being in the list of denied users, will not be logged. In these updated packages, a new "userlist_log=YES" option can be configured in vsftpd.conf, which will log failed log in attempts in these situations. * vsftpd did not support usernames that started with an underscore or a period character. Usernames starting with an underscore or a period are supported in these updated packages. * using wildcards in conjunction with the "ls" command did not return all the file names it should. For example, if you FTPed into a directory containing three files -- A1, A21 and A11 -- and ran the "ls *1" command, only the file names A1 and A21 were returned. These updated packages use greedier code that continues to speculatively scan for items even after matches have been found. * when the "user_config_dir" option is enabled in vsftpd.conf, and the user-specific configuration file did not exist, the following error occurred after a user entered their password during the log in process: 500 OOPS: reading non-root config file This has been resolved in this updated package. All vsftpd users are advised to upgrade to this updated package, which resolves 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.


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        "full_product_name": {
          "name": "vsftpd-debuginfo-0:2.0.5-12.el5.ppc as a component of Red Hat Enterprise Linux (v. 5 server)",
          "product_id": "5Server:vsftpd-debuginfo-0:2.0.5-12.el5.ppc"
        },
        "product_reference": "vsftpd-debuginfo-0:2.0.5-12.el5.ppc",
        "relates_to_product_reference": "5Server"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "vsftpd-debuginfo-0:2.0.5-12.el5.s390x as a component of Red Hat Enterprise Linux (v. 5 server)",
          "product_id": "5Server:vsftpd-debuginfo-0:2.0.5-12.el5.s390x"
        },
        "product_reference": "vsftpd-debuginfo-0:2.0.5-12.el5.s390x",
        "relates_to_product_reference": "5Server"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "vsftpd-debuginfo-0:2.0.5-12.el5.x86_64 as a component of Red Hat Enterprise Linux (v. 5 server)",
          "product_id": "5Server:vsftpd-debuginfo-0:2.0.5-12.el5.x86_64"
        },
        "product_reference": "vsftpd-debuginfo-0:2.0.5-12.el5.x86_64",
        "relates_to_product_reference": "5Server"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2007-5962",
      "cwe": {
        "id": "CWE-401",
        "name": "Missing Release of Memory after Effective Lifetime"
      },
      "discovery_date": "2007-11-23T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "397011"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Memory leak in a certain Red Hat patch, applied to vsftpd 2.0.5 on Red Hat Enterprise Linux (RHEL) 5 and Fedora 6 through 8, and on Foresight Linux and rPath appliances, allows remote attackers to cause a denial of service (memory consumption) via a large number of CWD commands, as demonstrated by an attack on a daemon with the deny_file configuration option.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "vsftpd: memory leak when deny_file option is set",
          "title": "Vulnerability summary"
        }
      ],
      "product_status": {
        "fixed": [
          "5Client-Workstation:vsftpd-0:2.0.5-12.el5.i386",
          "5Client-Workstation:vsftpd-0:2.0.5-12.el5.ia64",
          "5Client-Workstation:vsftpd-0:2.0.5-12.el5.ppc",
          "5Client-Workstation:vsftpd-0:2.0.5-12.el5.s390x",
          "5Client-Workstation:vsftpd-0:2.0.5-12.el5.src",
          "5Client-Workstation:vsftpd-0:2.0.5-12.el5.x86_64",
          "5Client-Workstation:vsftpd-debuginfo-0:2.0.5-12.el5.i386",
          "5Client-Workstation:vsftpd-debuginfo-0:2.0.5-12.el5.ia64",
          "5Client-Workstation:vsftpd-debuginfo-0:2.0.5-12.el5.ppc",
          "5Client-Workstation:vsftpd-debuginfo-0:2.0.5-12.el5.s390x",
          "5Client-Workstation:vsftpd-debuginfo-0:2.0.5-12.el5.x86_64",
          "5Server:vsftpd-0:2.0.5-12.el5.i386",
          "5Server:vsftpd-0:2.0.5-12.el5.ia64",
          "5Server:vsftpd-0:2.0.5-12.el5.ppc",
          "5Server:vsftpd-0:2.0.5-12.el5.s390x",
          "5Server:vsftpd-0:2.0.5-12.el5.src",
          "5Server:vsftpd-0:2.0.5-12.el5.x86_64",
          "5Server:vsftpd-debuginfo-0:2.0.5-12.el5.i386",
          "5Server:vsftpd-debuginfo-0:2.0.5-12.el5.ia64",
          "5Server:vsftpd-debuginfo-0:2.0.5-12.el5.ppc",
          "5Server:vsftpd-debuginfo-0:2.0.5-12.el5.s390x",
          "5Server:vsftpd-debuginfo-0:2.0.5-12.el5.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2007-5962"
        },
        {
          "category": "external",
          "summary": "RHBZ#397011",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=397011"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2007-5962",
          "url": "https://www.cve.org/CVERecord?id=CVE-2007-5962"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2007-5962",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2007-5962"
        }
      ],
      "release_date": "2008-05-21T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2008-05-21T14:16:00+00:00",
          "details": "Before applying this update, make sure that all previously-released\nerrata relevant to your system have been applied.  \n\nThis update is available via Red Hat Network.  Details on how to use \nthe Red Hat Network to apply this update are available at\nhttp://kbase.redhat.com/faq/FAQ_58_10188",
          "product_ids": [
            "5Client-Workstation:vsftpd-0:2.0.5-12.el5.i386",
            "5Client-Workstation:vsftpd-0:2.0.5-12.el5.ia64",
            "5Client-Workstation:vsftpd-0:2.0.5-12.el5.ppc",
            "5Client-Workstation:vsftpd-0:2.0.5-12.el5.s390x",
            "5Client-Workstation:vsftpd-0:2.0.5-12.el5.src",
            "5Client-Workstation:vsftpd-0:2.0.5-12.el5.x86_64",
            "5Client-Workstation:vsftpd-debuginfo-0:2.0.5-12.el5.i386",
            "5Client-Workstation:vsftpd-debuginfo-0:2.0.5-12.el5.ia64",
            "5Client-Workstation:vsftpd-debuginfo-0:2.0.5-12.el5.ppc",
            "5Client-Workstation:vsftpd-debuginfo-0:2.0.5-12.el5.s390x",
            "5Client-Workstation:vsftpd-debuginfo-0:2.0.5-12.el5.x86_64",
            "5Server:vsftpd-0:2.0.5-12.el5.i386",
            "5Server:vsftpd-0:2.0.5-12.el5.ia64",
            "5Server:vsftpd-0:2.0.5-12.el5.ppc",
            "5Server:vsftpd-0:2.0.5-12.el5.s390x",
            "5Server:vsftpd-0:2.0.5-12.el5.src",
            "5Server:vsftpd-0:2.0.5-12.el5.x86_64",
            "5Server:vsftpd-debuginfo-0:2.0.5-12.el5.i386",
            "5Server:vsftpd-debuginfo-0:2.0.5-12.el5.ia64",
            "5Server:vsftpd-debuginfo-0:2.0.5-12.el5.ppc",
            "5Server:vsftpd-debuginfo-0:2.0.5-12.el5.s390x",
            "5Server:vsftpd-debuginfo-0:2.0.5-12.el5.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2008:0295"
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "vsftpd: memory leak when deny_file option is set"
    }
  ]
}


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