Vulnerability-Lookup

CNVD-2016-00840

Vulnerability from cnvd - Published: 2016-02-14

Title

libEBML信息泄露漏洞（CNVD-2016-00840）

Description

libEBML是Matroska团队负责维护的一个用于解析EBML文件的C++库。 libEBML本的‘EbmlElement::ReadCodedSizeValue’函数存在安全漏洞，允许攻击者可利用特制EBML ID中特制的长度值获取进程堆内存中的敏感信息。

Severity

中

Patch Name

libEBML信息泄露漏洞（CNVD-2016-00840）的补丁

Patch Description

libEBML是Matroska团队负责维护的一个用于解析EBML文件的C++库。 libEBML本的‘EbmlElement::ReadCodedSizeValue’函数存在安全漏洞，允许攻击者可利用特制EBML ID中特制的长度值获取进程堆内存中的敏感信息。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

用户可参考如下厂商提供的安全补丁以修复该漏洞： https://github.com/Matroska-Org/libebml/blob/release-1.3.3/ChangeLog

Reference

https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-8791

Impacted products

Name
Matroska libEBML <1.3.3

Show details on source website

JSON

To clipboard

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  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-8791"
    }
  },
  "description": "libEBML\u662fMatroska\u56e2\u961f\u8d1f\u8d23\u7ef4\u62a4\u7684\u4e00\u4e2a\u7528\u4e8e\u89e3\u6790EBML\u6587\u4ef6\u7684C++\u5e93\u3002\r\n\r\nlibEBML\u672c\u7684\u2018EbmlElement::ReadCodedSizeValue\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8\u653b\u51fb\u8005\u53ef\u5229\u7528\u7279\u5236EBML ID\u4e2d\u7279\u5236\u7684\u957f\u5ea6\u503c\u83b7\u53d6\u8fdb\u7a0b\u5806\u5185\u5b58\u4e2d\u7684\u654f\u611f\u4fe1\u606f\u3002",
  "discovererName": "Moritz Bunkus",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttps://github.com/Matroska-Org/libebml/blob/release-1.3.3/ChangeLog",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-00840",
  "openTime": "2016-02-14",
  "patchDescription": "libEBML\u662fMatroska\u56e2\u961f\u8d1f\u8d23\u7ef4\u62a4\u7684\u4e00\u4e2a\u7528\u4e8e\u89e3\u6790EBML\u6587\u4ef6\u7684C++\u5e93\u3002\r\n\r\nlibEBML\u672c\u7684\u2018EbmlElement::ReadCodedSizeValue\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8\u653b\u51fb\u8005\u53ef\u5229\u7528\u7279\u5236EBML ID\u4e2d\u7279\u5236\u7684\u957f\u5ea6\u503c\u83b7\u53d6\u8fdb\u7a0b\u5806\u5185\u5b58\u4e2d\u7684\u654f\u611f\u4fe1\u606f\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": "libEBML\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff08CNVD-2016-00840\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Matroska libEBML \u003c1.3.3"
  },
  "referenceLink": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-8791",
  "serverity": "\u4e2d",
  "submitTime": "2016-02-02",
  "title": "libEBML\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff08CNVD-2016-00840\uff09"
}

CVE-2015-8791 (GCVE-0-2015-8791)

Vulnerability from cvelistv5 – Published: 2016-01-29 19:00 – Updated: 2024-08-06 08:29

Summary

The EbmlElement::ReadCodedSizeValue function in libEBML before 1.3.3 allows context-dependent attackers to obtain sensitive information from process heap memory via a crafted length value in an EBML id, which triggers an invalid memory access.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

5 references

URL	Tags
http://www.debian.org/security/2016/dsa-3538	vendor-advisoryx_refsource_DEBIAN
https://github.com/Matroska-Org/libebml/commit/24…	x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-updates/2016-0…	vendor-advisoryx_refsource_SUSE
http://lists.matroska.org/pipermail/matroska-user…	mailing-listx_refsource_MLIST
https://github.com/Matroska-Org/libebml/blob/rele…	x_refsource_CONFIRM

Date Public

2015-10-20 00:00

Show details on NVD website

JSON

To clipboard

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Sightings

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CNVD-2016-00840

CVE-2015-8791 (GCVE-0-2015-8791)

Tags

Sightings

Nomenclature

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