Vulnerability-Lookup

CNVD-2019-02947

Vulnerability from cnvd - Published: 2019-01-25

Title

FFmpeg无限循环漏洞

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。pva format demuxer是其中的一个视、音频分离器。 FFmpeg commit 9807d3976be0e92e4ece3b4b1701be894cd7c2e1之前版本中的pva format demuxer存在无限循环漏洞。攻击者可借助特制的PVA文件利用该漏洞消耗大量的资源，例如CPU和RAM。

Severity

高

Patch Name

FFmpeg无限循环漏洞的补丁

Patch Description

Formal description

厂商已发布漏洞修复程序，请及时关注更新： https://github.com/FFmpeg/FFmpeg/commit/9807d3976be0e92e4ece3b4b1701be894cd7c2e1

Reference

https://nvd.nist.gov/vuln/detail/CVE-2018-1999012

Impacted products

Name
FFmpeg Ffmpeg <commit 9807d3976be0e92e4ece3b4b1701be894cd7c2e1

Show details on source website

JSON

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{
  "bids": {
    "bid": {
      "bidNumber": "104896"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-1999012"
    }
  },
  "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\u3002pva format demuxer\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u89c6\u3001\u97f3\u9891\u5206\u79bb\u5668\u3002\n\nFFmpeg commit 9807d3976be0e92e4ece3b4b1701be894cd7c2e1\u4e4b\u524d\u7248\u672c\u4e2d\u7684pva format demuxer\u5b58\u5728\u65e0\u9650\u5faa\u73af\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684PVA\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u6d88\u8017\u5927\u91cf\u7684\u8d44\u6e90\uff0c\u4f8b\u5982CPU\u548cRAM\u3002",
  "discovererName": "Paul Ch",
  "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/FFmpeg/FFmpeg/commit/9807d3976be0e92e4ece3b4b1701be894cd7c2e1",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-02947",
  "openTime": "2019-01-25",
  "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\u3002pva format demuxer\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u89c6\u3001\u97f3\u9891\u5206\u79bb\u5668\u3002\r\n\r\nFFmpeg commit 9807d3976be0e92e4ece3b4b1701be894cd7c2e1\u4e4b\u524d\u7248\u672c\u4e2d\u7684pva format demuxer\u5b58\u5728\u65e0\u9650\u5faa\u73af\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684PVA\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u6d88\u8017\u5927\u91cf\u7684\u8d44\u6e90\uff0c\u4f8b\u5982CPU\u548cRAM\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\u65e0\u9650\u5faa\u73af\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "FFmpeg Ffmpeg \u003ccommit 9807d3976be0e92e4ece3b4b1701be894cd7c2e1"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2018-1999012",
  "serverity": "\u9ad8",
  "submitTime": "2018-07-24",
  "title": "FFmpeg\u65e0\u9650\u5faa\u73af\u6f0f\u6d1e"
}

CVE-2018-1999012 (GCVE-0-2018-1999012)

Vulnerability from cvelistv5 – Published: 2018-07-23 15:00 – Updated: 2024-08-05 12:47

Summary

FFmpeg before commit 9807d3976be0e92e4ece3b4b1701be894cd7c2e1 contains a CWE-835: Infinite loop vulnerability in pva format demuxer that can result in a Vulnerability that allows attackers to consume excessive amount of resources like CPU and RAM. This attack appear to be exploitable via specially crafted PVA file has to be provided as input. This vulnerability appears to have been fixed in 9807d3976be0e92e4ece3b4b1701be894cd7c2e1 and later.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

3 references

URL	Tags
http://www.securityfocus.com/bid/104896	vdb-entryx_refsource_BID
https://github.com/FFmpeg/FFmpeg/commit/9807d3976…	x_refsource_CONFIRM
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST

Date Public

2018-07-03 00:00

Show details on NVD website

JSON

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          },
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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.