FKIE_CVE-2002-0638

Vulnerability from fkie_nvd - Published: 2002-08-12 04:00 - Updated: 2025-04-03 01:03
Severity ?
Summary
setpwnam.c in the util-linux package, as included in Red Hat Linux 7.3 and earlier, and other operating systems, does not properly lock a temporary file when modifying /etc/passwd, which may allow local users to gain privileges via a complex race condition that uses an open file descriptor in utility programs such as chfn and chsh.
References
cve@mitre.orgftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2002-043.0.txt
cve@mitre.orghttp://archives.neohapsis.com/archives/bugtraq/2002-07/0357.html
cve@mitre.orghttp://archives.neohapsis.com/archives/bugtraq/2002-07/0396.html
cve@mitre.orghttp://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000523
cve@mitre.orghttp://marc.info/?l=bugtraq&m=102795787713996&w=2
cve@mitre.orghttp://online.securityfocus.com/advisories/4320
cve@mitre.orghttp://rhn.redhat.com/errata/RHSA-2002-132.htmlPatch, Vendor Advisory
cve@mitre.orghttp://www.iss.net/security_center/static/9709.php
cve@mitre.orghttp://www.kb.cert.org/vuls/id/405955Patch, Third Party Advisory, US Government Resource
cve@mitre.orghttp://www.linux-mandrake.com/en/security/2002/MDKSA-2002-047.php
cve@mitre.orghttp://www.osvdb.org/5164
cve@mitre.orghttp://www.redhat.com/support/errata/RHSA-2002-137.html
cve@mitre.orghttp://www.securityfocus.com/bid/5344
af854a3a-2127-422b-91ae-364da2661108ftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2002-043.0.txt
af854a3a-2127-422b-91ae-364da2661108http://archives.neohapsis.com/archives/bugtraq/2002-07/0357.html
af854a3a-2127-422b-91ae-364da2661108http://archives.neohapsis.com/archives/bugtraq/2002-07/0396.html
af854a3a-2127-422b-91ae-364da2661108http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000523
af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=bugtraq&m=102795787713996&w=2
af854a3a-2127-422b-91ae-364da2661108http://online.securityfocus.com/advisories/4320
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2002-132.htmlPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.iss.net/security_center/static/9709.php
af854a3a-2127-422b-91ae-364da2661108http://www.kb.cert.org/vuls/id/405955Patch, Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108http://www.linux-mandrake.com/en/security/2002/MDKSA-2002-047.php
af854a3a-2127-422b-91ae-364da2661108http://www.osvdb.org/5164
af854a3a-2127-422b-91ae-364da2661108http://www.redhat.com/support/errata/RHSA-2002-137.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/5344
Impacted products
Vendor Product Version
mandrakesoft mandrake_single_network_firewall 7.2
hp secure_os 1.0
mandrakesoft mandrake_linux 7.0
mandrakesoft mandrake_linux 7.1
mandrakesoft mandrake_linux 7.2
mandrakesoft mandrake_linux 8.0
mandrakesoft mandrake_linux 8.0
mandrakesoft mandrake_linux 8.1
mandrakesoft mandrake_linux 8.1
mandrakesoft mandrake_linux 8.2
mandrakesoft mandrake_linux_corporate_server 1.0.1
redhat linux 6.0
redhat linux 6.0
redhat linux 6.0
redhat linux 6.1
redhat linux 6.1
redhat linux 6.1
redhat linux 6.2
redhat linux 6.2
redhat linux 6.2
redhat linux 7.0
redhat linux 7.0
redhat linux 7.1
redhat linux 7.1
redhat linux 7.1
redhat linux 7.2
redhat linux 7.2
redhat linux 7.2
redhat linux 7.3
To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "setpwnam.c in the util-linux package, as included in Red Hat Linux 7.3 and earlier, and other operating systems, does not properly lock a temporary file when modifying /etc/passwd, which may allow local users to gain privileges via a complex race condition that uses an open file descriptor in utility programs such as chfn and chsh."
    },
    {
      "lang": "es",
      "value": "setpwnam.c en el paquete util-linux, como se incluye en Red Hat Linux 7.3 y antieriores, y en otros sistemas operativos, no bloquea adecuadamente un fichero temporal cuando se modifica /etc/passwd, lo que puede permitir a usuarios locales ganar privilegios mediante una compleja condici\u00f3n de carrera que usa un descriptor de fichero abierto en utilidades como chfn y chsh."
    }
  ],
  "id": "CVE-2002-0638",
  "lastModified": "2025-04-03T01:03:51.193",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
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          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 6.2,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:L/AC:H/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 1.9,
        "impactScore": 10.0,
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        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
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  "published": "2002-08-12T04:00:00.000",
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}


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Sightings

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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.