CVE-2008-5557 (GCVE-0-2008-5557)

Vulnerability from cvelistv5 – Published: 2008-12-23 18:13 – Updated: 2024-08-07 10:56
VLAI
Summary
Heap-based buffer overflow in ext/mbstring/libmbfl/filters/mbfilter_htmlent.c in the mbstring extension in PHP 4.3.0 through 5.2.6 allows context-dependent attackers to execute arbitrary code via a crafted string containing an HTML entity, which is not properly handled during Unicode conversion, related to the (1) mb_convert_encoding, (2) mb_check_encoding, (3) mb_convert_variables, and (4) mb_parse_str functions.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
mitre CNA under the mitre root
CNA scorecard E 28/100 over 2333 records in the last 180 days details
References
URL Tags
http://marc.info/?l=bugtraq&m=125631037611762&w=2 vendor-advisoryx_refsource_HP
http://support.apple.com/kb/HT3549 x_refsource_CONFIRM
http://marc.info/?l=bugtraq&m=124654546101607&w=2 vendor-advisoryx_refsource_HP
http://cvs.php.net/viewvc.cgi/php-src/ext/mbstrin… x_refsource_CONFIRM
https://www.redhat.com/archives/fedora-package-an… vendor-advisoryx_refsource_FEDORA
http://www.securityfocus.com/archive/1/501376/100… mailing-listx_refsource_BUGTRAQ
http://archives.neohapsis.com/archives/fulldisclo… mailing-listx_refsource_FULLDISC
http://wiki.rpath.com/Advisories:rPSA-2009-0035 x_refsource_CONFIRM
http://secunia.com/advisories/34642 third-party-advisoryx_refsource_SECUNIA
http://securitytracker.com/id?1021482 vdb-entryx_refsource_SECTRACK
http://secunia.com/advisories/35074 third-party-advisoryx_refsource_SECUNIA
http://h20000.www2.hp.com/bizsupport/TechSupport/… vendor-advisoryx_refsource_HP
http://lists.apple.com/archives/security-announce… vendor-advisoryx_refsource_APPLE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.redhat.com/support/errata/RHSA-2009-03… vendor-advisoryx_refsource_REDHAT
https://www.redhat.com/archives/fedora-package-an… vendor-advisoryx_refsource_FEDORA
http://secunia.com/advisories/35003 third-party-advisoryx_refsource_SECUNIA
http://www.php.net/ChangeLog-5.php#5.2.7 x_refsource_CONFIRM
http://www.us-cert.gov/cas/techalerts/TA09-133A.html third-party-advisoryx_refsource_CERT
https://exchange.xforce.ibmcloud.com/vulnerabilit… vdb-entryx_refsource_XF
http://www.mandriva.com/security/advisories?name=… vendor-advisoryx_refsource_MANDRIVA
http://www.vupen.com/english/advisories/2009/1297 vdb-entryx_refsource_VUPEN
http://bugs.php.net/bug.php?id=45722 x_refsource_CONFIRM
https://oval.cisecurity.org/repository/search/def… vdb-entrysignaturex_refsource_OVAL
http://secunia.com/advisories/35306 third-party-advisoryx_refsource_SECUNIA
http://secunia.com/advisories/35650 third-party-advisoryx_refsource_SECUNIA
http://www.securityfocus.com/bid/32948 vdb-entryx_refsource_BID
http://www.debian.org/security/2009/dsa-1789 vendor-advisoryx_refsource_DEBIAN
Date Public
2008-12-21 00:00
Show details on NVD website
To clipboard 

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    "dateUpdated": "2024-08-07T10:56:47.251Z",
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        ],
        "cveTags": [],
        "descriptions": [
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            "lang": "en",
            "value": "Heap-based buffer overflow in ext/mbstring/libmbfl/filters/mbfilter_htmlent.c in the mbstring extension in PHP 4.3.0 through 5.2.6 allows context-dependent attackers to execute arbitrary code via a crafted string containing an HTML entity, which is not properly handled during Unicode conversion, related to the (1) mb_convert_encoding, (2) mb_check_encoding, (3) mb_convert_variables, and (4) mb_parse_str functions."
          },
          {
            "lang": "es",
            "value": "Desbordamiento de b\u00fafer basado en mont\u00edculo en ext/mbstring/libmbfl/filters/mbfilter_htmlent.c en la extensi\u00f3n mbstring en PHP v4.3.0 hasta v5.2.6 permite a atacantes, dependiendo del contexto, ejecutar c\u00f3digo arbitrario a trav\u00e9s de una cadena manipulada conteniendo una entidad HTML, la cual no es manejada de forma adecuada durante la conversi\u00f3n a Unicode, relativo a (1) mb_convert_encoding, (2) mb_check_encoding, (3) mb_convert_variables, y (4) funciones mb_parse_str."
          }
        ],
        "id": "CVE-2008-5557",
        "lastModified": "2026-04-23T00:35:47.467",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "HIGH",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "COMPLETE",
                "baseScore": 10.0,
                "confidentialityImpact": "COMPLETE",
                "integrityImpact": "COMPLETE",
                "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
                "version": "2.0"
              },
              "exploitabilityScore": 10.0,
              "impactScore": 10.0,
              "obtainAllPrivilege": true,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ]
        },
        "published": "2008-12-23T18:30:03.313",
        "references": [
          {
            "source": "cve@mitre.org",
            "url": "http://archives.neohapsis.com/archives/fulldisclosure/2008-12/0477.html"
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            "source": "cve@mitre.org",
            "tags": [
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            "tags": [
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          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-119"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
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        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T13:13:28+00:00",
      "cve": "CVE-2008-5557",
      "id": "CVE-2008-5557",
      "initial_release_date": "2008-08-05T00:00:00+00:00",
      "product_status:fixed": "762",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "php: Heap-based buffer overflow in the mbstring extension via crafted string containing a HTML entity (arb code execution)",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2008/cve-2008-5557.json",
      "version": "3"
    }
  }
}



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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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