ghsa-x6gp-hg9r-wh46
Vulnerability from github
Published
2022-05-24 17:35
Modified
2023-04-26 21:30
Details

sysdeps/i386/ldbl2mpn.c in the GNU C Library (aka glibc or libc6) before 2.23 on x86 targets has a stack-based buffer overflow if the input to any of the printf family of functions is an 80-bit long double with a non-canonical bit pattern, as seen when passing a \x00\x04\x00\x00\x00\x00\x00\x00\x00\x04 value to sprintf.

Show details on source website


{
  "affected": [],
  "aliases": [
    "CVE-2020-29573"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-12-06T00:15:00Z",
    "severity": "HIGH"
  },
  "details": "sysdeps/i386/ldbl2mpn.c in the GNU C Library (aka glibc or libc6) before 2.23 on x86 targets has a stack-based buffer overflow if the input to any of the printf family of functions is an 80-bit long double with a non-canonical bit pattern, as seen when passing a \\x00\\x04\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x04 value to sprintf.",
  "id": "GHSA-x6gp-hg9r-wh46",
  "modified": "2023-04-26T21:30:36Z",
  "published": "2022-05-24T17:35:26Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-29573"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/202101-20"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20210122-0004"
    },
    {
      "type": "WEB",
      "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=26649"
    },
    {
      "type": "WEB",
      "url": "https://sourceware.org/pipermail/libc-alpha/2020-September/117779.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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