GHSA-XR7R-88QV-Q7HM

Vulnerability from github – Published: 2021-08-25 20:45 – Updated: 2023-06-13 21:04
VLAI?
Summary
Out of bounds write in serde_cbor
Details

Affected versions of this crate did not properly check if semantic tags were nested excessively during deserialization. This allows an attacker to craft small (< 1 kB) CBOR documents that cause a stack overflow. The flaw was corrected by limiting the allowed number of nested tags.

Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Show details on source website
To clipboard Create KEV Entry 

{
  "affected": [
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "serde_cbor"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.10.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2019-25001"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-08-19T21:20:43Z",
    "nvd_published_at": null,
    "severity": "HIGH"
  },
  "details": "Affected versions of this crate did not properly check if semantic tags were nested excessively during deserialization. This allows an attacker to craft small (\u003c 1 kB) CBOR documents that cause a stack overflow. The flaw was corrected by limiting the allowed number of nested tags.",
  "id": "GHSA-xr7r-88qv-q7hm",
  "modified": "2023-06-13T21:04:01Z",
  "published": "2021-08-25T20:45:51Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-25001"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pyfisch/cbor/pull/153"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pyfisch/cbor/commit/1aec4f9d71855dbfb223fa61ca60260400cc5d5f"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/pyfisch/cbor"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pyfisch/cbor/releases/tag/v0.10.2"
    },
    {
      "type": "WEB",
      "url": "https://rustsec.org/advisories/RUSTSEC-2019-0025.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"
    }
  ],
  "summary": "Out of bounds write in serde_cbor"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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.