GHSA-7C4H-W765-6PWG

Vulnerability from github – Published: 2022-05-14 03:22 – Updated: 2024-10-28 14:41
VLAI
Summary
OISF suricata-update unsafely deserializes YAML data
Details

Suricata-Update uses the insecure yaml.load() function. Code will be executed if the yaml-file contains lines like:

hello: !!python/object/apply:os.system ['ls -l > /tmp/output']

The vulnerable function can be triggered by "suricata-update list-sources". The locally stored index.yaml will be loaded in this function and the malicious code gets executed.

Severity
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
8.6 (High)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
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{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 1.0.0a1"
      },
      "package": {
        "ecosystem": "PyPI",
        "name": "suricata-update"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.0b1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2018-1000167"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-502"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-02-23T20:56:20Z",
    "nvd_published_at": "2018-04-18T19:29:00Z",
    "severity": "HIGH"
  },
  "details": "Suricata-Update uses the insecure `yaml.load()` function. Code will be executed if the yaml-file contains lines like:\n\n```yaml\nhello: !!python/object/apply:os.system [\u0027ls -l \u003e /tmp/output\u0027]\n```\n\nThe vulnerable function can be triggered by \"suricata-update list-sources\". The locally stored index.yaml will be loaded in this function and the malicious code gets executed.",
  "id": "GHSA-7c4h-w765-6pwg",
  "modified": "2024-10-28T14:41:27Z",
  "published": "2022-05-14T03:22:02Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-1000167"
    },
    {
      "type": "WEB",
      "url": "https://github.com/OISF/suricata-update/pull/23"
    },
    {
      "type": "WEB",
      "url": "https://github.com/OISF/suricata-update/commit/76270e73128ca1299b4e33e7e2a74ac3d963a97a"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/OISF/suricata-update"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/suricata-update/PYSEC-2018-75.yaml"
    },
    {
      "type": "WEB",
      "url": "https://redmine.openinfosecfoundation.org/issues/2359"
    },
    {
      "type": "WEB",
      "url": "https://tech.feedyourhead.at/content/remote-code-execution-in-suricata-update"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "OISF suricata-update unsafely deserializes YAML data"
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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Nomenclature

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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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