github - ghsa-g2cq-wg23-g8qw

ghsa-g2cq-wg23-g8qw

Vulnerability from github

Published

2025-05-26 15:30

Modified

2025-05-26 18:30

Severity ?

5.0 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N
5.1 (Medium) - CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Details

The default mode of pseudo terminals (PTYs) allocated by Screen was changed from 0620 to 0622, thereby allowing anyone to write to any Screen PTYs in the system.

Show details on source website

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2025-46803"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-276"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-05-26T15:15:19Z",
    "severity": "MODERATE"
  },
  "details": "The default mode of pseudo terminals (PTYs) allocated by Screen was changed from 0620 to 0622, thereby allowing anyone to write to any Screen PTYs in the system.",
  "id": "GHSA-g2cq-wg23-g8qw",
  "modified": "2025-05-26T18:30:25Z",
  "published": "2025-05-26T15:30:34Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-46803"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-46803"
    },
    {
      "type": "WEB",
      "url": "https://www.openwall.com/lists/oss-security/2025/05/12/1"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2025/05/13/6"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2025-46803 (GCVE-0-2025-46803)

Vulnerability from cvelistv5

Published

2025-05-26 15:06

Modified

2025-05-27 14:12

Severity ?

5.0 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N
5.1 (Medium) - CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

CWE

CWE-276 - Incorrect Default Permissions

Summary

The default mode of pseudo terminals (PTYs) allocated by Screen was changed from 0620 to 0622, thereby allowing anyone to write to any Screen PTYs in the system.

References

URL

Tags

	https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-46803
	https://www.openwall.com/lists/oss-security/2025/05/12/1

Impacted products

	Vendor	Product	Version
			Version: 5.0 ≤ 5.0.0

Show details on NVD website

To clipboard

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        "providerMetadata": {
          "dateUpdated": "2025-05-26T16:04:08.726Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "http://www.openwall.com/lists/oss-security/2025/05/13/6"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
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              "content": {
                "id": "CVE-2025-46803",
                "options": [
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                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-05-27T14:12:39.864997Z",
                "version": "2.0.3"
              },
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        ],
        "providerMetadata": {
          "dateUpdated": "2025-05-27T14:12:42.420Z",
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    ],
    "cna": {
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        {
          "collectionURL": "https://git.savannah.gnu.org/cgit/screen.git",
          "defaultStatus": "unaffected",
          "packageName": "screen",
          "versions": [
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              "version": "5.0",
              "versionType": "semver"
            }
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      ],
      "credits": [
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          "type": "finder",
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      "metrics": [
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            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N",
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      "providerMetadata": {
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        "orgId": "404e59f5-483d-4b8a-8e7a-e67604dd8afb",
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          "url": "https://www.openwall.com/lists/oss-security/2025/05/12/1"
        }
      ],
      "source": {
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      "title": "Screen creates by default world-writable PTYs",
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  "cveMetadata": {
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  "dataType": "CVE_RECORD",
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}

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