Vulnerability-Lookup

CNVD-2017-12936

Vulnerability from cnvd - Published: 2017-07-05

Title

FFmpeg 'libavcodec/webp.c'堆缓冲区溢出漏洞

Description

FFmpeg是FFmpeg团队的一套可录制、转换以及流化音视频的完整解决方案。 FFmpeg中的libavcodec/webp.c文件存在安全漏洞，该漏洞源于程序未能确保pix_fmt已被设置。远程攻击者可利用该漏洞造成拒绝服务（堆缓冲区溢出和应用程序崩溃）。

Severity

高

Patch Name

FFmpeg 'libavcodec/webp.c'堆缓冲区溢出漏洞的补丁

Patch Description

FFmpeg是FFmpeg团队的一套可录制、转换以及流化音视频的完整解决方案。 FFmpeg中的libavcodec/webp.c文件存在安全漏洞，该漏洞源于程序未能确保pix_fmt已被设置。远程攻击者可利用该漏洞造成拒绝服务（堆缓冲区溢出和应用程序崩溃）。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://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1434

Reference

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1434

Impacted products

Name
FFmpeg Ffmpeg

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "99317"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-9994"
    }
  },
  "description": "FFmpeg\u662fFFmpeg\u56e2\u961f\u7684\u4e00\u5957\u53ef\u5f55\u5236\u3001\u8f6c\u6362\u4ee5\u53ca\u6d41\u5316\u97f3\u89c6\u9891\u7684\u5b8c\u6574\u89e3\u51b3\u65b9\u6848\u3002\r\n\r\nFFmpeg\u4e2d\u7684libavcodec/webp.c\u6587\u4ef6\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u786e\u4fddpix_fmt\u5df2\u88ab\u8bbe\u7f6e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u548c\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\uff09\u3002",
  "discovererName": "Monor",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1434",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-12936",
  "openTime": "2017-07-05",
  "patchDescription": "FFmpeg\u662fFFmpeg\u56e2\u961f\u7684\u4e00\u5957\u53ef\u5f55\u5236\u3001\u8f6c\u6362\u4ee5\u53ca\u6d41\u5316\u97f3\u89c6\u9891\u7684\u5b8c\u6574\u89e3\u51b3\u65b9\u6848\u3002\r\n\r\nFFmpeg\u4e2d\u7684libavcodec/webp.c\u6587\u4ef6\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u786e\u4fddpix_fmt\u5df2\u88ab\u8bbe\u7f6e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u548c\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\uff09\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": "FFmpeg \u0027libavcodec/webp.c\u0027\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "FFmpeg Ffmpeg"
  },
  "referenceLink": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1434",
  "serverity": "\u9ad8",
  "submitTime": "2017-06-28",
  "title": "FFmpeg \u0027libavcodec/webp.c\u0027\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2017-9994 (GCVE-0-2017-9994)

Vulnerability from cvelistv5 – Published: 2017-06-28 06:00 – Updated: 2024-08-05 17:25

Summary

libavcodec/webp.c in FFmpeg before 2.8.12, 3.0.x before 3.0.8, 3.1.x before 3.1.8, 3.2.x before 3.2.5, and 3.3.x before 3.3.1 does not ensure that pix_fmt is set, which allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted file, related to the vp8_decode_mb_row_no_filter and pred8x8_128_dc_8_c functions.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

5 references

URL	Tags
https://bugs.chromium.org/p/oss-fuzz/issues/detai…	x_refsource_MISC
http://www.securityfocus.com/bid/99317	vdb-entryx_refsource_BID
https://bugs.chromium.org/p/oss-fuzz/issues/detai…	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
https://github.com/FFmpeg/FFmpeg/commit/6b5d3fb26…	x_refsource_MISC

Date Public

2017-06-28 00:00

Show details on NVD website

JSON

To clipboard

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            "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1435"
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            "url": "https://github.com/FFmpeg/FFmpeg/commit/6b5d3fb26fb4be48e4966e4b1d97c2165538d4ef"
          }
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        "title": "CVE Program Container"
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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.

Action not permitted

CNVD-2017-12936

CVE-2017-9994 (GCVE-0-2017-9994)

Tags

Sightings

Nomenclature

Related by attack behaviour