Vulnerability-Lookup

GHSA-H5QF-RF3C-VMJ5

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

Details

Use-after-Free vulnerability in cflow 1.6 in the void call(char *name, int line) function at src/parser.c, which could cause a denial of service via the pointer variable caller->callee.

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{
  "affected": [],
  "aliases": [
    "CVE-2020-23856"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-05-18T15:15:00Z",
    "severity": "MODERATE"
  },
  "details": "Use-after-Free vulnerability in cflow 1.6 in the void call(char *name, int line) function at src/parser.c, which could cause a denial of service via the pointer variable caller-\u003ecallee.",
  "id": "GHSA-h5qf-rf3c-vmj5",
  "modified": "2022-05-24T19:02:43Z",
  "published": "2022-05-24T19:02:43Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-23856"
    },
    {
      "type": "WEB",
      "url": "https://github.com/yangjiageng/PoC/blob/master/PoC_cflow_uaf_parser_line1284"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BLSXGFK2NYPCJMPHSHE3W56ZU3ZO6RD7"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FZTTKZX274BVFZX7TMPEZG6UWL6UPMQF"
    },
    {
      "type": "WEB",
      "url": "https://lists.gnu.org/archive/html/bug-cflow/2020-07/msg00000.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2020-23856 (GCVE-0-2020-23856)

Vulnerability from cvelistv5 – Published: 2021-05-18 14:41 – Updated: 2024-08-04 15:05

Summary

Use-after-Free vulnerability in cflow 1.6 in the void call(char *name, int line) function at src/parser.c, which could cause a denial of service via the pointer variable caller->callee.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://lists.gnu.org/archive/html/bug-cflow/2020…	x_refsource_MISC
	https://github.com/yangjiageng/PoC/blob/master/Po…	x_refsource_MISC
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA

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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-H5QF-RF3C-VMJ5

CVE-2020-23856 (GCVE-0-2020-23856)

Tags

Sightings

Nomenclature