github - ghsa-7x29-5q3f-f4x2

GHSA-7X29-5Q3F-F4X2

Vulnerability from github – Published: 2022-05-13 01:30 – Updated: 2022-05-13 01:30

Details

In the GNU C Library (aka glibc or libc6) through 2.29, check_dst_limits_calc_pos_1 in posix/regexec.c has Uncontrolled Recursion, as demonstrated by '(\227|)(\1\1|t1|\\2537)+' in grep.

Severity ?

7.5 (High)


                  
                    CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2018-20796"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-674"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2019-02-26T02:29:00Z",
    "severity": "HIGH"
  },
  "details": "In the GNU C Library (aka glibc or libc6) through 2.29, check_dst_limits_calc_pos_1 in posix/regexec.c has Uncontrolled Recursion, as demonstrated by \u0027(\\227|)(\\\\1\\\\1|t1|\\\\\\2537)+\u0027 in grep.",
  "id": "GHSA-7x29-5q3f-f4x2",
  "modified": "2022-05-13T01:30:43Z",
  "published": "2022-05-13T01:30:43Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-20796"
    },
    {
      "type": "WEB",
      "url": "https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34141"
    },
    {
      "type": "WEB",
      "url": "https://lists.gnu.org/archive/html/bug-gnulib/2019-01/msg00108.html"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20190315-0002"
    },
    {
      "type": "WEB",
      "url": "https://support.f5.com/csp/article/K26346590?utm_source=f5support\u0026amp;utm_medium=RSS"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/107160"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2018-20796 (GCVE-0-2018-20796)

Vulnerability from cvelistv5 – Published: 2019-02-26 02:00 – Updated: 2024-08-05 12:12

Summary

In the GNU C Library (aka glibc or libc6) through 2.29, check_dst_limits_calc_pos_1 in posix/regexec.c has Uncontrolled Recursion, as demonstrated by '(\227|)(\\1\\1|t1|\\\2537)+' in grep.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://security.netapp.com/advisory/ntap-2019031…	x_refsource_CONFIRM
	https://lists.gnu.org/archive/html/bug-gnulib/201…	x_refsource_MISC
	http://www.securityfocus.com/bid/107160	vdb-entryx_refsource_BID
	https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34141	x_refsource_MISC
	https://support.f5.com/csp/article/K26346590?utm_…	x_refsource_CONFIRM

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T12:12:28.627Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20190315-0002/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://lists.gnu.org/archive/html/bug-gnulib/2019-01/msg00108.html"
          },
          {
            "name": "107160",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/107160"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34141"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://support.f5.com/csp/article/K26346590?utm_source=f5support\u0026amp%3Butm_medium=RSS"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2019-02-25T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "In the GNU C Library (aka glibc or libc6) through 2.29, check_dst_limits_calc_pos_1 in posix/regexec.c has Uncontrolled Recursion, as demonstrated by \u0027(\\227|)(\\\\1\\\\1|t1|\\\\\\2537)+\u0027 in grep."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2019-11-05T20:06:27",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://security.netapp.com/advisory/ntap-20190315-0002/"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://lists.gnu.org/archive/html/bug-gnulib/2019-01/msg00108.html"
        },
        {
          "name": "107160",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/107160"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34141"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://support.f5.com/csp/article/K26346590?utm_source=f5support\u0026amp%3Butm_medium=RSS"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2018-20796",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "In the GNU C Library (aka glibc or libc6) through 2.29, check_dst_limits_calc_pos_1 in posix/regexec.c has Uncontrolled Recursion, as demonstrated by \u0027(\\227|)(\\\\1\\\\1|t1|\\\\\\2537)+\u0027 in grep."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://security.netapp.com/advisory/ntap-20190315-0002/",
              "refsource": "CONFIRM",
              "url": "https://security.netapp.com/advisory/ntap-20190315-0002/"
            },
            {
              "name": "https://lists.gnu.org/archive/html/bug-gnulib/2019-01/msg00108.html",
              "refsource": "MISC",
              "url": "https://lists.gnu.org/archive/html/bug-gnulib/2019-01/msg00108.html"
            },
            {
              "name": "107160",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/107160"
            },
            {
              "name": "https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34141",
              "refsource": "MISC",
              "url": "https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34141"
            },
            {
              "name": "https://support.f5.com/csp/article/K26346590?utm_source=f5support\u0026amp;utm_medium=RSS",
              "refsource": "CONFIRM",
              "url": "https://support.f5.com/csp/article/K26346590?utm_source=f5support\u0026amp;utm_medium=RSS"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2018-20796",
    "datePublished": "2019-02-26T02:00:00",
    "dateReserved": "2019-02-25T00:00:00",
    "dateUpdated": "2024-08-05T12:12:28.627Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Action not permitted

GHSA-7X29-5Q3F-F4X2

CVE-2018-20796 (GCVE-0-2018-20796)

Tags

Sightings

Nomenclature