cnvd - cnvd-2016-00834

cnvd-2016-00834

Vulnerability from cnvd

Title: libEBML内存错误引用漏洞

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‘EbmlMaster::Read’函数解析无限大小的深层嵌套元素时存在内存错误引用漏洞，允许远程攻击者可利用该漏洞访问已释放的内存，执行任意代码。

Severity: 高

Patch Name: libEBML内存错误引用漏洞的补丁

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‘EbmlMaster::Read’函数解析无限大小的深层嵌套元素时存在内存错误引用漏洞，允许远程攻击者可利用该漏洞访问已释放的内存，执行任意代码。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-2015-8789

Impacted products

Name
Matroska libEBML <1.3.3

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-8789"
    }
  },
  "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\u2018EbmlMaster::Read\u2019\u51fd\u6570\u89e3\u6790\u65e0\u9650\u5927\u5c0f\u7684\u6df1\u5c42\u5d4c\u5957\u5143\u7d20\u65f6\u5b58\u5728\u5185\u5b58\u9519\u8bef\u5f15\u7528\u6f0f\u6d1e\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8bbf\u95ee\u5df2\u91ca\u653e\u7684\u5185\u5b58\uff0c\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
  "discovererName": "unknown",
  "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-2016-00834",
  "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\u2018EbmlMaster::Read\u2019\u51fd\u6570\u89e3\u6790\u65e0\u9650\u5927\u5c0f\u7684\u6df1\u5c42\u5d4c\u5957\u5143\u7d20\u65f6\u5b58\u5728\u5185\u5b58\u9519\u8bef\u5f15\u7528\u6f0f\u6d1e\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8bbf\u95ee\u5df2\u91ca\u653e\u7684\u5185\u5b58\uff0c\u6267\u884c\u4efb\u610f\u4ee3\u7801\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\u5185\u5b58\u9519\u8bef\u5f15\u7528\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Matroska libEBML \u003c1.3.3"
  },
  "referenceLink": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-8789",
  "serverity": "\u9ad8",
  "submitTime": "2016-02-02",
  "title": "libEBML\u5185\u5b58\u9519\u8bef\u5f15\u7528\u6f0f\u6d1e"
}

CVE-2015-8789 (GCVE-0-2015-8789)

Vulnerability from cvelistv5

Published

2016-01-29 19:00

Modified

2024-08-06 08:29

Severity ?

CWE

Summary

Use-after-free vulnerability in the EbmlMaster::Read function in libEBML before 1.3.3 allows context-dependent attackers to have unspecified impact via a "deeply nested element with infinite size" followed by another element of an upper level in an EBML document.

References

▼	URL	Tags
	http://www.debian.org/security/2016/dsa-3538	vendor-advisory, x_refsource_DEBIAN
	http://www.securityfocus.com/bid/94924	vdb-entry, x_refsource_BID
	http://lists.opensuse.org/opensuse-updates/2016-01/msg00035.html	vendor-advisory, x_refsource_SUSE
	https://github.com/Matroska-Org/libebml/commit/88409e2a94dd3b40ff81d08bf6d92f486d036b24	x_refsource_CONFIRM
	http://lists.matroska.org/pipermail/matroska-users/2015-October/006985.html	mailing-list, x_refsource_MLIST
	https://github.com/Matroska-Org/libebml/blob/release-1.3.3/ChangeLog	x_refsource_CONFIRM
	http://www.talosintelligence.com/reports/TALOS-2016-0037/	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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