github - ghsa-x4j2-c46q-7jp5

GHSA-X4J2-C46Q-7JP5

Vulnerability from github – Published: 2025-03-04 15:31 – Updated: 2025-11-03 21:33

Details

jar: URLs retrieve local file content packaged in a ZIP archive. The null and everything after it was ignored when retrieving the content from the archive, but the fake extension after the null was used to determine the type of content. This could have been used to hide code in a web extension disguised as something else like an image. This vulnerability affects Firefox < 136 and Firefox ESR < 128.8.

Severity ?

7.3 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2025-1936"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-158"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-03-04T14:15:38Z",
    "severity": "HIGH"
  },
  "details": "jar: URLs retrieve local file content packaged in a ZIP archive. The null and everything after it was ignored when retrieving the content from the archive, but the fake extension after the null was used to determine the type of content. This could have been used to hide code in a web extension disguised as something else like an image. This vulnerability affects Firefox \u003c 136 and Firefox ESR \u003c 128.8.",
  "id": "GHSA-x4j2-c46q-7jp5",
  "modified": "2025-11-03T21:33:04Z",
  "published": "2025-03-04T15:31:49Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-1936"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1940027"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00006.html"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2025-14"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2025-16"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2025-17"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2025-18"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2025-1936 (GCVE-0-2025-1936)

Vulnerability from cvelistv5 – Published: 2025-03-04 13:31 – Updated: 2025-11-03 20:57

Summary

Severity ?

7.3 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CWE

Adding %00 and a fake extension to a jar: URL changed the interpretation of the contents

Assigner

mozilla

References

URL

Tags

	https://bugzilla.mozilla.org/show_bug.cgi?id=1940027
	https://www.mozilla.org/security/advisories/mfsa2…
	https://www.mozilla.org/security/advisories/mfsa2…
	https://www.mozilla.org/security/advisories/mfsa2…
	https://www.mozilla.org/security/advisories/mfsa2…

Impacted products

Vendor

Product

Version

Mozilla

Firefox

Affected: unspecified , < 136 (custom)

Mozilla	Firefox ESR	Affected: unspecified , < 128.8 (custom)
Mozilla	Thunderbird	Affected: unspecified , < 136 (custom)
Mozilla	Thunderbird	Affected: unspecified , < 128.8 (custom)

Credits

Surya Dev Singh

Show details on NVD website

JSON

To clipboard

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  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "LOW",
              "baseScore": 7.3,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
              "version": "3.1"
            }
          },
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            "other": {
              "content": {
                "id": "CVE-2025-1936",
                "options": [
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                    "Exploitation": "none"
                  },
                  {
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                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-03-25T17:55:09.593793Z",
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        ],
        "providerMetadata": {
          "dateUpdated": "2025-03-26T16:29:31.244Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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        }
      ],
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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-X4J2-C46Q-7JP5

CVE-2025-1936 (GCVE-0-2025-1936)

Tags

Sightings

Nomenclature