Vulnerability-Lookup

ubuntu-cve-2025-41259

Vulnerability from osv_ubuntu

Published

2026-06-03 13:16

Modified

2026-06-11 13:00

Summary

Details

SWUpdate before 2026.05 is affected by a time-of-check time-of-use (TOCTOU) race condition that allows local unprivileged attackers to escalate privileges to root or install untrusted contents using a signed update.

Severity

7.3 (High)


                    
                      CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2025-41259	REPORT
	https://www.cve.org/CVERecord?id=CVE-2025-41259	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libswupdate0.1",
            "binary_version": "2021.11-1"
          },
          {
            "binary_name": "lua-swupdate",
            "binary_version": "2021.11-1"
          },
          {
            "binary_name": "swupdate",
            "binary_version": "2021.11-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "swupdate",
        "purl": "pkg:deb/ubuntu/swupdate@2021.11-1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2020.11-2",
        "2021.04-1.1",
        "2021.04-2",
        "2021.04-2build1",
        "2021.11-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libswupdate0.1",
            "binary_version": "2023.12.1+dfsg-1ubuntu5"
          },
          {
            "binary_name": "lua-swupdate",
            "binary_version": "2023.12.1+dfsg-1ubuntu5"
          },
          {
            "binary_name": "swupdate",
            "binary_version": "2023.12.1+dfsg-1ubuntu5"
          },
          {
            "binary_name": "swupdate-www",
            "binary_version": "2023.12.1+dfsg-1ubuntu5"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "swupdate",
        "purl": "pkg:deb/ubuntu/swupdate@2023.12.1+dfsg-1ubuntu5?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2023.05+dfsg-3",
        "2023.05+dfsg-4",
        "2023.05+dfsg-4build1",
        "2023.05+dfsg-5",
        "2023.12+dfsg-1",
        "2023.12.1+dfsg-1ubuntu1",
        "2023.12.1+dfsg-1ubuntu4",
        "2023.12.1+dfsg-1ubuntu5"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libswupdate0.1",
            "binary_version": "2025.05+dfsg-2ubuntu1"
          },
          {
            "binary_name": "lua-swupdate",
            "binary_version": "2025.05+dfsg-2ubuntu1"
          },
          {
            "binary_name": "swupdate",
            "binary_version": "2025.05+dfsg-2ubuntu1"
          },
          {
            "binary_name": "swupdate-www",
            "binary_version": "2025.05+dfsg-2ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "swupdate",
        "purl": "pkg:deb/ubuntu/swupdate@2025.05+dfsg-2ubuntu1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2024.12.1+dfsg-1build2",
        "2024.12.1+dfsg-2",
        "2024.12.1+dfsg-3",
        "2025.05+dfsg-2ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libswupdate0.1",
            "binary_version": "2025.12+dfsg-4ubuntu1"
          },
          {
            "binary_name": "lua-swupdate",
            "binary_version": "2025.12+dfsg-4ubuntu1"
          },
          {
            "binary_name": "swupdate",
            "binary_version": "2025.12+dfsg-4ubuntu1"
          },
          {
            "binary_name": "swupdate-www",
            "binary_version": "2025.12+dfsg-4ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "swupdate",
        "purl": "pkg:deb/ubuntu/swupdate@2025.12+dfsg-4ubuntu1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2025.05+dfsg-2ubuntu1",
        "2025.05+dfsg-3ubuntu1",
        "2025.12+dfsg-1ubuntu1",
        "2025.12+dfsg-2ubuntu1",
        "2025.12+dfsg-3ubuntu1",
        "2025.12+dfsg-4ubuntu1"
      ]
    }
  ],
  "aliases": [],
  "details": "SWUpdate before 2026.05 is affected by a time-of-check time-of-use (TOCTOU) race condition that allows local unprivileged attackers to escalate privileges to root or install untrusted contents using a signed update.",
  "id": "UBUNTU-CVE-2025-41259",
  "modified": "2026-06-11T13:00:53Z",
  "published": "2026-06-03T13:16:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-41259"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-41259"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2025-41259"
  ]
}

CVE-2025-41259 (GCVE-0-2025-41259)

Vulnerability from cvelistv5 – Published: 2026-06-03 11:01 – Updated: 2026-06-03 12:37

Title

SWUpdate Untrusted Script Execution via Signed Update TOCTOU

Summary

Severity

7.3 (High)


                        
                          CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-367 - Time-of-check time-of-use (TOCTOU) race condition

Assigner

sba-research

References

3 references

URL	Tags
https://github.com/sbaresearch/advisories/tree/pu…	third-party-advisory
https://github.com/sbabic/swupdate/commit/f4bd642…	patch
https://github.com/sbabic/swupdate	product

Impacted products

1 product

Vendor	Product	Version
sbabic	SWUpdate	Affected: 0 , < 2026.05 (custom)

Credits

Reinhard Kugler (SBA Research)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-41259",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-03T12:36:39.603308Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-03T12:37:01.661Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://github.com/sbaresearch/advisories/tree/public/2025/SBA-ADV-20251206-01_SWUpdate_Untrusted_Script_Execution_via_Signed_Update_TOCTOU"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "SWUpdate",
          "repo": "https://github.com/sbabic/swupdate",
          "vendor": "sbabic",
          "versions": [
            {
              "lessThan": "2026.05",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Reinhard Kugler (SBA Research)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "SWUpdate before 2026.05 is affected by a time-of-check time-of-use (TOCTOU) race condition that allows local unprivileged attackers to escalate privileges to root or install untrusted contents using a signed update."
            }
          ],
          "value": "SWUpdate before 2026.05 is affected by a time-of-check time-of-use (TOCTOU) race condition that allows local unprivileged attackers to escalate privileges to root or install untrusted contents using a signed update."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "LOCAL",
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "LOW",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
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          ]
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              "lang": "en",
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      "providerMetadata": {
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        "orgId": "1e3a9e0f-5156-4bf8-b8a3-cc311bfc0f4a",
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      "references": [
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          "tags": [
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          "url": "https://github.com/sbaresearch/advisories/tree/public/2025/SBA-ADV-20251206-01_SWUpdate_Untrusted_Script_Execution_via_Signed_Update_TOCTOU"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/sbabic/swupdate/commit/f4bd64260e233e207354d68d572b1cbc3e63689d"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/sbabic/swupdate"
        }
      ],
      "source": {
        "advisory": "SBA-ADV-20251206-01",
        "discovery": "UNKNOWN"
      },
      "title": "SWUpdate Untrusted Script Execution via Signed Update TOCTOU",
      "x_generator": {
        "engine": "Vulnogram 1.0.2"
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  },
  "cveMetadata": {
    "assignerOrgId": "1e3a9e0f-5156-4bf8-b8a3-cc311bfc0f4a",
    "assignerShortName": "sba-research",
    "cveId": "CVE-2025-41259",
    "datePublished": "2026-06-03T11:01:59.871Z",
    "dateReserved": "2025-04-16T09:37:50.631Z",
    "dateUpdated": "2026-06-03T12:37:01.661Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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}

Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.

Action not permitted

ubuntu-cve-2025-41259

Vulnerability from osv_ubuntu

CVE-2025-41259 (GCVE-0-2025-41259)

Tags

Sightings

Nomenclature