github - ghsa-gf49-5jg3-x68p

GHSA-GF49-5JG3-X68P

Vulnerability from github – Published: 2022-05-24 19:02 – Updated: 2022-05-24 19:02

Details

In function read_yin_leaf() in libyang <= v1.0.225, it doesn't check whether the value of retval->ext[r] is NULL. In some cases, it can be NULL, which leads to the operation of retval->ext[r]->flags that results in a crash.

Severity ?

7.5 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2021-28906"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-252"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-05-20T19:15:00Z",
    "severity": "HIGH"
  },
  "details": "In function read_yin_leaf() in libyang \u003c= v1.0.225, it doesn\u0027t check whether the value of retval-\u003eext[r] is NULL. In some cases, it can be NULL, which leads to the operation of retval-\u003eext[r]-\u003eflags that results in a crash.",
  "id": "GHSA-gf49-5jg3-x68p",
  "modified": "2022-05-24T19:02:49Z",
  "published": "2022-05-24T19:02:49Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-28906"
    },
    {
      "type": "WEB",
      "url": "https://github.com/CESNET/libyang/issues/1455"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/202107-54"
    }
  ],
  "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"
    }
  ]
}

CVE-2021-28906 (GCVE-0-2021-28906)

Vulnerability from cvelistv5 – Published: 2021-05-20 18:36 – Updated: 2024-08-03 21:55

Summary

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://github.com/CESNET/libyang/issues/1455	x_refsource_CONFIRM
	https://security.gentoo.org/glsa/202107-54	vendor-advisoryx_refsource_GENTOO

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          },
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            "tags": [
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              "x_transferred"
            ],
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          }
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        }
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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-GF49-5JG3-X68P

CVE-2021-28906 (GCVE-0-2021-28906)

Tags

Sightings

Nomenclature