RHSA-2003:154

Vulnerability from csaf_redhat - Published: 2003-06-18 22:19 - Updated: 2025-11-21 17:26
Summary
Red Hat Security Advisory: : : : Updated bind packages fix buffer overflow in resolver library

Notes

Topic
Updated BIND packages that fix a number of vulnerabilities are now available for Red Hat Linux on IBM iSeries and pSeries systems.
Details
ISC BIND (Berkeley Internet Name Domain) is an implementation of the DNS (Domain Name System) protocols. BIND includes a DNS server (named), which resolves host names to IP addresses; a resolver library (routines for applications to use when interfacing with DNS); and various tools. A buffer overflow vulnerability exists in multiple implementations of the DNS resolver libraries. Applications that utilize vulnerable DNS resolver libraries may be affected. A remote attacker who is able to send malicious DNS responses could potentially exploit this vulnerability to execute arbitrary code or cause a denial of service on a vulnerable system. Red Hat Linux does not ship with any applications or libraries that link against the BIND resolver libraries; however, third party code may be affected. Versions of BIND 9 prior to 9.2.1 have a bug that causes certain requests to the BIND name server (named) to fail an internal consistency check, causing the name server to stop responding to requests. This can be used by a remote attacker to cause a denial of service (DOS) attack against name servers. The updated bind packages included in this errata contain Bind 9.2.1 with the addition of backported patches and is not vulnerable to 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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    "notes": [
      {
        "category": "summary",
        "text": "Updated BIND packages that fix a number of vulnerabilities are now\navailable for Red Hat Linux on IBM iSeries and pSeries systems.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "ISC BIND (Berkeley Internet Name Domain) is an implementation of the DNS\n(Domain Name System) protocols. BIND includes a DNS server (named),\nwhich resolves host names to IP addresses; a resolver library\n(routines for applications to use when interfacing with DNS); and\nvarious tools.\n \nA buffer overflow vulnerability exists in multiple implementations of the\nDNS resolver libraries.  Applications that utilize vulnerable DNS resolver\nlibraries may be affected.  A remote attacker who is able to send malicious\nDNS responses could potentially exploit this vulnerability to execute\narbitrary code or cause a denial of service on a vulnerable system. \n\nRed Hat Linux does not ship with any applications or libraries that link \nagainst the BIND resolver libraries; however, third party code may be affected.\n\nVersions of BIND 9 prior to 9.2.1 have a bug that causes certain requests\nto the BIND name server (named) to fail an internal consistency check,\ncausing the name server to stop responding to requests.  This can be used\nby a remote attacker to cause a denial of service (DOS) attack against name\nservers.\n\nThe updated bind packages included in this errata contain Bind 9.2.1 with\nthe addition of backported patches and is not vulnerable to these issues.",
        "title": "Details"
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        "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.",
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    "title": "Red Hat Security Advisory: : : : Updated bind packages fix buffer overflow in resolver library",
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      "current_release_date": "2025-11-21T17:26:01+00:00",
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      "id": "RHSA-2003:154",
      "initial_release_date": "2003-06-18T22:19:00+00:00",
      "revision_history": [
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          "text": "1616774"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "ISC BIND 9 before 9.2.1 allows remote attackers to cause a denial of service (shutdown) via a malformed DNS packet that triggers an error condition that is not properly handled when the rdataset parameter to the dns_message_findtype() function in message.c is not NULL, aka DoS_findtype.",
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          "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.",
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          "text": "1616785"
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      "notes": [
        {
          "category": "description",
          "text": "Buffer overflow in the DNS resolver code used in libc, glibc, and libbind, as derived from ISC BIND, allows remote malicious DNS servers to cause a denial of service and possibly execute arbitrary code via the stub resolvers.",
          "title": "Vulnerability description"
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          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2002-0651",
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      "release_date": "2002-06-26T00:00:00+00:00",
      "remediations": [
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          "category": "vendor_fix",
          "date": "2003-06-18T22:19:00+00:00",
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}


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  • 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.



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