RHSA-2003:150

Vulnerability from csaf_redhat - Published: 2003-05-22 17:32 - Updated: 2025-11-21 17:25
Summary
Red Hat Security Advisory: LPRng security update

Notes

Topic
Updated LPRng packages resolving a temporary file vulnerability are now available.
Details
LPRng is a print spooler. LPRng includes a program, psbanner, that can be used to produce Postscript banner pages to separate print jobs. A vulnerability has been found in psbanner, which creates in an insecure manner a temporary file with a known filename. An attacker could create a symbolic link and cause arbitrary files to be written as the lp user. Note: psbanner is not used by the default Red Hat Enterprise Linux LPRng configuration. Users that have configured LPRng to use psbanner should install these updated packages, which contain a patch so that psbanner does not create the temporary file.
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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{
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      "text": "Low"
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    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
      "tlp": {
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    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "Updated LPRng packages resolving a temporary file vulnerability are now\navailable.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "LPRng is a print spooler.  LPRng includes a program, psbanner, that can be\nused to produce Postscript banner pages to separate print jobs.  \n\nA vulnerability has been found in psbanner, which creates in an insecure\nmanner a temporary file with a known filename.  An attacker could create a\nsymbolic link and cause arbitrary files to be written as the lp user.\n\nNote: psbanner is not used by the default Red Hat Enterprise Linux LPRng\nconfiguration.\n\nUsers that have configured LPRng to use psbanner should install these\nupdated packages, which contain a patch so that psbanner does not create\nthe temporary file.",
        "title": "Details"
      },
      {
        "category": "legal_disclaimer",
        "text": "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.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://access.redhat.com/security/team/contact/",
      "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.",
      "name": "Red Hat Product Security",
      "namespace": "https://www.redhat.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "https://access.redhat.com/errata/RHSA-2003:150",
        "url": "https://access.redhat.com/errata/RHSA-2003:150"
      },
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      {
        "category": "external",
        "summary": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=188366",
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      {
        "category": "external",
        "summary": "88800",
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        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2003/rhsa-2003_150.json"
      }
    ],
    "title": "Red Hat Security Advisory: LPRng security update",
    "tracking": {
      "current_release_date": "2025-11-21T17:25:59+00:00",
      "generator": {
        "date": "2025-11-21T17:25:59+00:00",
        "engine": {
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          "version": "4.6.12"
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      },
      "id": "RHSA-2003:150",
      "initial_release_date": "2003-05-22T17:32:00+00:00",
      "revision_history": [
        {
          "date": "2003-05-22T17:32:00+00:00",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2003-05-22T00:00:00+00:00",
          "number": "2",
          "summary": "Last updated version"
        },
        {
          "date": "2025-11-21T17:25:59+00:00",
          "number": "3",
          "summary": "Last generated version"
        }
      ],
      "status": "final",
      "version": "3"
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  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Red Hat Enterprise Linux AS (Advanced Server) version 2.1 ",
                "product": {
                  "name": "Red Hat Enterprise Linux AS (Advanced Server) version 2.1 ",
                  "product_id": "Red Hat Enterprise Linux AS (Advanced Server) version 2.1 ",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:redhat:enterprise_linux:2.1::as"
                  }
                }
              },
              {
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                "name": "Red Hat Linux Advanced Workstation 2.1",
                "product": {
                  "name": "Red Hat Linux Advanced Workstation 2.1",
                  "product_id": "Red Hat Linux Advanced Workstation 2.1",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:redhat:enterprise_linux:2.1::aw"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Red Hat Enterprise Linux ES version 2.1",
                "product": {
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                  "product_identification_helper": {
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                }
              },
              {
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                "product": {
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                  "product_identification_helper": {
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  "vulnerabilities": [
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          "text": "1616980"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "psbanner in the LPRng package allows local users to overwrite arbitrary files via a symbolic link attack on the /tmp/before file.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "security flaw",
          "title": "Vulnerability summary"
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      "product_status": {
        "fixed": [
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          "Red Hat Enterprise Linux ES version 2.1",
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        ]
      },
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          "url": "https://access.redhat.com/security/cve/CVE-2003-0136"
        },
        {
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        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2003-0136",
          "url": "https://www.cve.org/CVERecord?id=CVE-2003-0136"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2003-0136",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2003-0136"
        }
      ],
      "release_date": "2003-04-09T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2003-05-22T17:32:00+00:00",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade.  Only those\nRPMs which are currently installed will be updated.  Those RPMs which are\nnot installed but included in the list will not be updated.  Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains the\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network.  Many\npeople find this an easier way to apply updates.  To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
          "product_ids": [
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            "Red Hat Enterprise Linux ES version 2.1",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2003:150"
        }
      ],
      "title": "security flaw"
    }
  ]
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.