Vulnerability-Lookup

CNVD-2019-07243

Vulnerability from cnvd - Published: 2019-03-15

Title

libwebm空指针逆向引用漏洞

Description

libwebm是一个开源的网络媒体文件编解码库。 libwebm 2019-03-08之前版本中的webm_info.cc文件的‘OutputCluster’和‘OutputTracks’函数存在空指针逆向引用漏洞，远程攻击者可利用该漏洞造成拒绝服务。

Severity

中

Patch Name

libwebm空指针逆向引用漏洞的补丁

Patch Description

libwebm是一个开源的网络媒体文件编解码库。 libwebm 2019-03-08之前版本中的webm_info.cc文件的‘OutputCluster’和‘OutputTracks’函数存在空指针逆向引用漏洞，远程攻击者可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

厂商已发布了漏洞修复程序，请及时关注更新页： https://www.webmproject.org/

Reference

https://chromium.googlesource.com/webm/libwebm/+/2427abe0bde234987ed005a3adca461e9a85dfb7 https://bugs.chromium.org/p/webm/issues/detail?id=1605 https://nvd.nist.gov/vuln/detail/CVE-2019-9746

Impacted products

Name
libwebm libwebm <2019-03-08

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-9746"
    }
  },
  "description": "libwebm\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u7f51\u7edc\u5a92\u4f53\u6587\u4ef6\u7f16\u89e3\u7801\u5e93\u3002\n\nlibwebm 2019-03-08\u4e4b\u524d\u7248\u672c\u4e2d\u7684webm_info.cc\u6587\u4ef6\u7684\u2018OutputCluster\u2019\u548c\u2018OutputTracks\u2019\u51fd\u6570\u5b58\u5728\u7a7a\u6307\u9488\u9006\u5411\u5f15\u7528\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "unknown",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\u9875\uff1a\r\nhttps://www.webmproject.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-07243",
  "openTime": "2019-03-15",
  "patchDescription": "libwebm\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u7f51\u7edc\u5a92\u4f53\u6587\u4ef6\u7f16\u89e3\u7801\u5e93\u3002\r\n\r\nlibwebm 2019-03-08\u4e4b\u524d\u7248\u672c\u4e2d\u7684webm_info.cc\u6587\u4ef6\u7684\u2018OutputCluster\u2019\u548c\u2018OutputTracks\u2019\u51fd\u6570\u5b58\u5728\u7a7a\u6307\u9488\u9006\u5411\u5f15\u7528\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\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": "libwebm\u7a7a\u6307\u9488\u9006\u5411\u5f15\u7528\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "libwebm libwebm \u003c2019-03-08"
  },
  "referenceLink": "https://chromium.googlesource.com/webm/libwebm/+/2427abe0bde234987ed005a3adca461e9a85dfb7\r\nhttps://bugs.chromium.org/p/webm/issues/detail?id=1605\r\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-9746",
  "serverity": "\u4e2d",
  "submitTime": "2019-03-15",
  "title": "libwebm\u7a7a\u6307\u9488\u9006\u5411\u5f15\u7528\u6f0f\u6d1e"
}

CVE-2019-9746 (GCVE-0-2019-9746)

Vulnerability from cvelistv5 – Published: 2019-03-13 16:00 – Updated: 2024-09-16 19:41

Summary

In libwebm before 2019-03-08, a NULL pointer dereference caused by the functions OutputCluster and OutputTracks in webm_info.cc will trigger an abort, which allows a DoS attack, a similar issue to CVE-2018-19212.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

2 references

URL	Tags
https://bugs.chromium.org/p/webm/issues/detail?id=1605	x_refsource_MISC
https://chromium.googlesource.com/webm/libwebm/+/…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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            "url": "https://chromium.googlesource.com/webm/libwebm/+/2427abe0bde234987ed005a3adca461e9a85dfb7"
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Sightings

Author	Source	Type	Date	Other

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.

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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.