Vulnerability-Lookup

CNVD-2017-34497

Vulnerability from cnvd - Published: 2017-11-20

Title

libebml2 'ReadDataFloat'函数拒绝服务漏洞

Description

libebml2是一款使用C语言编写的开源EBML解析器。 libebml2 2012-08-26及之前的版本中ebmlnumber.c文件的'ReadDataFloat'函数存在安全漏洞。远程攻击者可借助特制的mkv文件利用该漏洞造成拒绝服务。

Severity

中

Patch Name

libebml2 'ReadDataFloat'函数拒绝服务漏洞的补丁

Patch Description

libebml2是一款使用C语言编写的开源EBML解析器。 libebml2 2012-08-26及之前的版本中ebmlnumber.c文件的'ReadDataFloat'函数存在安全漏洞。远程攻击者可借助特制的mkv文件利用该漏洞造成拒绝服务。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布漏洞修复程序，请及时关注更新： https://github.com/Matroska-Org/foundation-source/issues/24

Reference

http://seclists.org/fulldisclosure/2017/Nov/19

Impacted products

Name
libebml2 libebml2 <=2012-08-26

Show details on source website

JSON

To clipboard

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  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-12783"
    }
  },
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  "discovererName": "qflb.wu",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/Matroska-Org/foundation-source/issues/24",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-34497",
  "openTime": "2017-11-20",
  "patchDescription": "libebml2\u662f\u4e00\u6b3e\u4f7f\u7528C\u8bed\u8a00\u7f16\u5199\u7684\u5f00\u6e90EBML\u89e3\u6790\u5668\u3002\r\n\r\nlibebml2 2012-08-26\u53ca\u4e4b\u524d\u7684\u7248\u672c\u4e2debmlnumber.c\u6587\u4ef6\u7684\u0027ReadDataFloat\u0027\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684mkv\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "libebml2 \u0027ReadDataFloat\u0027\u51fd\u6570\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "libebml2 libebml2 \u003c=2012-08-26"
  },
  "referenceLink": "http://seclists.org/fulldisclosure/2017/Nov/19",
  "serverity": "\u4e2d",
  "submitTime": "2017-11-08",
  "title": "libebml2 \u0027ReadDataFloat\u0027\u51fd\u6570\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2017-12783 (GCVE-0-2017-12783)

Vulnerability from cvelistv5 – Published: 2017-11-09 19:00 – Updated: 2024-08-05 18:51

Summary

The ReadDataFloat function in ebmlnumber.c in libebml2 through 2012-08-26 allows remote attackers to cause a denial of service (assert fault) via a crafted mkv file.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

3 references

URL	Tags
http://packetstormsecurity.com/files/144902/mkval…	x_refsource_MISC
http://seclists.org/fulldisclosure/2017/Nov/19	mailing-listx_refsource_FULLDISC
https://github.com/Matroska-Org/foundation-source…	x_refsource_CONFIRM

Date Public

2017-11-06 00:00

Show details on NVD website

JSON

To clipboard

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            "url": "http://packetstormsecurity.com/files/144902/mkvalidator-0.5.1-Denial-Of-Service.html"
          },
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Sightings

Author	Source	Type	Date	Other

Nomenclature

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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.
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Action not permitted

CNVD-2017-34497

CVE-2017-12783 (GCVE-0-2017-12783)

Tags

Sightings

Nomenclature

Related by attack behaviour