fkie_cve-2025-6998
Vulnerability from fkie_nvd
Published
2025-07-24 20:15
Modified
2025-07-25 15:29
Severity ?
8.7 (High) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Summary
ReDoS in strip_whitespaces() function in cps/string_helper.py in Calibre Web and Autocaliweb allows unauthenticated remote attackers to cause denial of service via specially crafted username parameter that triggers catastrophic backtracking during login. This issue affects Calibre Web: 0.6.24 (Nicolette); Autocaliweb: from 0.7.0 before 0.7.1.
References
help@fluidattacks.comhttps://fluidattacks.com/advisories/megadeth
help@fluidattacks.comhttps://github.com/gelbphoenix/autocaliweb
help@fluidattacks.comhttps://github.com/janeczku/calibre-web
Impacted products
Vendor Product Version


To clipboard 

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "ReDoS in strip_whitespaces() function in cps/string_helper.py in Calibre Web and Autocaliweb allows\u00a0unauthenticated remote attackers to cause denial of service via specially crafted username parameter that triggers catastrophic backtracking during login.\u00a0This issue affects Calibre Web: 0.6.24 (Nicolette); Autocaliweb: from 0.7.0 before 0.7.1."
    },
    {
      "lang": "es",
      "value": "El ReDoS en la funci\u00f3n strip_whitespaces() de cps/string_helper.py en Calibre Web y Autocaliweb permite a atacantes remotos no autenticados causar una denegaci\u00f3n de servicio mediante un par\u00e1metro de nombre de usuario especialmente manipulado que desencadena un retroceso catastr\u00f3fico durante el inicio de sesi\u00f3n. Este problema afecta a Calibre Web: 0.6.24 (Nicolette); Autocaliweb: de la versi\u00f3n 0.7.0 a la 0.7.1."
    }
  ],
  "id": "CVE-2025-6998",
  "lastModified": "2025-07-25T15:29:19.837",
  "metrics": {
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 8.7,
          "baseSeverity": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/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",
          "version": "4.0",
          "vulnAvailabilityImpact": "HIGH",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "help@fluidattacks.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-07-24T20:15:27.013",
  "references": [
    {
      "source": "help@fluidattacks.com",
      "url": "https://fluidattacks.com/advisories/megadeth"
    },
    {
      "source": "help@fluidattacks.com",
      "url": "https://github.com/gelbphoenix/autocaliweb"
    },
    {
      "source": "help@fluidattacks.com",
      "url": "https://github.com/janeczku/calibre-web"
    }
  ],
  "sourceIdentifier": "help@fluidattacks.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-1333"
        }
      ],
      "source": "help@fluidattacks.com",
      "type": "Secondary"
    }
  ]
}


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