CVE-2020-7060 (GCVE-0-2020-7060)

Vulnerability from cvelistv5 – Published: 2020-02-10 07:45 – Updated: 2024-09-17 03:33
VLAI?
Title
global buffer-overflow in mbfl_filt_conv_big5_wchar
Summary
When using certain mbstring functions to convert multibyte encodings, in PHP versions 7.2.x below 7.2.27, 7.3.x below 7.3.14 and 7.4.x below 7.4.2 it is possible to supply data that will cause function mbfl_filt_conv_big5_wchar to read past the allocated buffer. This may lead to information disclosure or crash.
Severity ?
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
CWE
Assigner
php
References
Impacted products
Vendor Product Version
PHP Group PHP Affected: 7.2.x , < 7.2.27 (custom)
Affected: 7.3.x , < 7.3.14 (custom)
Affected: 7.4.x , < 7.4.2 (custom)
Create a notification for this product.
Credits
Reported by reza at iseclab dot org
Show details on NVD website
To clipboard 

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      "sourceIdentifier": "security@php.net",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"security@php.net\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-125\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-125\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2020-7060\",\"sourceIdentifier\":\"security@php.net\",\"published\":\"2020-02-10T08:15:12.797\",\"lastModified\":\"2024-11-21T05:36:35.360\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"When using certain mbstring functions to convert multibyte encodings, in PHP versions 7.2.x below 7.2.27, 7.3.x below 7.3.14 and 7.4.x below 7.4.2 it is possible to supply data that will cause function mbfl_filt_conv_big5_wchar to read past the allocated buffer. This may lead to information disclosure or crash.\"},{\"lang\":\"es\",\"value\":\"Cuando se usan determinadas funciones de mbstring para convertir codificaciones multibyte, en PHP versiones 7.2.x por debajo de 7.2.27, versiones 7.3.x por debajo de 7.3.14 y versiones 7.4.x por debajo de 7.4.2, es posible suministrar datos que causar\u00e1n que la funci\u00f3n mbfl_filt_conv_big5_wchar lea m\u00e1s all\u00e1 del buffer asignado. Esto puede conllevar a una divulgaci\u00f3n de informaci\u00f3n o 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  }
}


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Tags
Taxonomy of the tags.




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.