fkie_cve-2020-14311
Vulnerability from fkie_nvd
Published
2020-07-31 22:15
Modified
2024-11-21 05:02
Summary
There is an issue with grub2 before version 2.06 while handling symlink on ext filesystems. A filesystem containing a symbolic link with an inode size of UINT32_MAX causes an arithmetic overflow leading to a zero-sized memory allocation with subsequent heap-based buffer overflow.
References
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2020-08/msg00016.htmlMailing List, Third Party Advisory
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2020-08/msg00017.htmlMailing List, Third Party Advisory
secalert@redhat.comhttp://www.openwall.com/lists/oss-security/2021/09/17/2Mailing List, Third Party Advisory
secalert@redhat.comhttp://www.openwall.com/lists/oss-security/2021/09/17/4Mailing List, Third Party Advisory
secalert@redhat.comhttp://www.openwall.com/lists/oss-security/2021/09/21/1Mailing List, Third Party Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14311Issue Tracking, Third Party Advisory
secalert@redhat.comhttps://security.gentoo.org/glsa/202104-05Third Party Advisory
secalert@redhat.comhttps://usn.ubuntu.com/4432-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00016.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00017.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2021/09/17/2Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2021/09/17/4Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2021/09/21/1Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14311Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202104-05Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4432-1/Third Party Advisory



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      "lang": "en",
      "value": "There is an issue with grub2 before version 2.06 while handling symlink on ext filesystems. A filesystem containing a symbolic link with an inode size of UINT32_MAX causes an arithmetic overflow leading to a zero-sized memory allocation with subsequent heap-based buffer overflow."
    },
    {
      "lang": "es",
      "value": "Se presenta un problema con grub2 versiones anteriores a 2.06, mientras se maneja un symlink en los sistemas de archivos ext. Un sistema de archivos que contiene un enlace simb\u00f3lico con un tama\u00f1o de inode de UINT32_MAX causa un desbordamiento aritm\u00e9tico conllevando a una asignaci\u00f3n de memoria de tama\u00f1o cero con el posterior desbordamiento del b\u00fafer en la regi\u00f3n heap de la memoria"
    }
  ],
  "id": "CVE-2020-14311",
  "lastModified": "2024-11-21T05:02:58.923",
  "metrics": {
    "cvssMetricV2": [
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        "baseSeverity": "LOW",
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          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
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  "published": "2020-07-31T22:15:11.597",
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}


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