Vulnerability-Lookup

GHSA-C84P-GR27-9C8H

Vulnerability from github – Published: 2026-04-04 15:30 – Updated: 2026-04-04 21:30

Details

Microsoft One Search 1.1.0.0 contains a denial of service vulnerability that allows local attackers to crash the application by submitting excessively long input strings to the search functionality. Attackers can paste a buffer of 950 or more characters into the search bar to trigger an unhandled exception that crashes the application.

Severity

6.2 (Medium)


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

6.9 (Medium)


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

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2018-25242"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1389"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-04-04T14:16:19Z",
    "severity": "MODERATE"
  },
  "details": "Microsoft One Search 1.1.0.0 contains a denial of service vulnerability that allows local attackers to crash the application by submitting excessively long input strings to the search functionality. Attackers can paste a buffer of 950 or more characters into the search bar to trigger an unhandled exception that crashes the application.",
  "id": "GHSA-c84p-gr27-9c8h",
  "modified": "2026-04-04T21:30:26Z",
  "published": "2026-04-04T15:30:20Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-25242"
    },
    {
      "type": "WEB",
      "url": "https://www.exploit-db.com/exploits/46195"
    },
    {
      "type": "WEB",
      "url": "https://www.microsoft.com/store/productId/9PMR5QNS5LTL"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/microsoft-one-search-denial-of-service"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/one-search-denial-of-service"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/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-2018-25242 (GCVE-0-2018-25242)

Vulnerability from cvelistv5 – Published: 2026-04-04 13:51 – Updated: 2026-04-06 13:28

Title

One Search 1.1.0.0 Denial of Service

Summary

One Search 1.1.0.0 contains a denial of service vulnerability that allows local attackers to crash the application by submitting excessively long input strings to the search functionality. Attackers can paste a buffer of 950 or more characters into the search bar to trigger an unhandled exception that crashes the application.

Severity

6.9 (Medium)


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

6.2 (Medium)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-04-06 13:27 UTC

CWE

CWE-1389 - Incorrect Parsing of Numbers with Different Radices

Assigner

VulnCheck mitre root Scorecard

References

3 references

URL	Tags
https://www.exploit-db.com/exploits/46195	exploit
https://www.microsoft.com/store/productId/9PMR5QNS5LTL	product
https://www.vulncheck.com/advisories/one-search-d…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
OneSearch	One Search	Affected: 1.1.0.0

Date Public

2018-01-18 00:00

Credits

0xB9

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2018-25242",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-06T13:27:56.370648Z",
                "version": "2.0.3"
              },
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        "providerMetadata": {
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          "shortName": "CISA-ADP"
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      }
    ],
    "cna": {
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          "product": "One Search",
          "vendor": "OneSearch",
          "versions": [
            {
              "status": "affected",
              "version": "1.1.0.0"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "0xB9"
        }
      ],
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      "descriptions": [
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        }
      ],
      "metrics": [
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          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
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            "baseSeverity": "MEDIUM",
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            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
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          "descriptions": [
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      "references": [
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          "tags": [
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        },
        {
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          "tags": [
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          ],
          "url": "https://www.microsoft.com/store/productId/9PMR5QNS5LTL"
        },
        {
          "name": "VulnCheck Advisory: One Search 1.1.0.0 Denial of Service",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/one-search-denial-of-service"
        }
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  "cveMetadata": {
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    "datePublished": "2026-04-04T13:51:09.345Z",
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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.

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.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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GHSA-C84P-GR27-9C8H

CVE-2018-25242 (GCVE-0-2018-25242)

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