Vulnerability-Lookup

CNVD-2015-05927

Vulnerability from cnvd - Published: 2015-09-10

Title

FFmpeg ff_rv34_decode_init_thread_copy拒绝服务漏洞

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 2.7.2之前版本的libavcodec/rv34.c文件中的‘ff_rv34_decode_init_thread_copy’函数存在安全漏洞，该漏洞源于程序未能初始化特定的结构体成员。远程攻击者可借助特制的RV30或RV40 RealVideo数据利用该漏洞造成拒绝服务（无效的指针访问）。

Severity

中

Patch Name

FFmpeg ff_rv34_decode_init_thread_copy拒绝服务漏洞的补丁

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 2.7.2之前版本的libavcodec/rv34.c文件中的‘ff_rv34_decode_init_thread_copy’函数存在安全漏洞，该漏洞源于程序未能初始化特定的结构体成员。远程攻击者可借助特制的RV30或RV40 RealVideo数据利用该漏洞造成拒绝服务（无效的指针访问）。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

目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载： http://git.videolan.org/?p=ffmpeg.git;a=commit;h=3197c0aa87a3b7190e17d49e6fbc7b554e4b3f0a

Reference

http://git.videolan.org/?p=ffmpeg.git;a=commit;h=3197c0aa87a3b7190e17d49e6fbc7b554e4b3f0a

Impacted products

Name
FFmpeg FFmpeg <2.7.2

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-6826"
    }
  },
  "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 2.7.2\u4e4b\u524d\u7248\u672c\u7684libavcodec/rv34.c\u6587\u4ef6\u4e2d\u7684\u2018ff_rv34_decode_init_thread_copy\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u521d\u59cb\u5316\u7279\u5b9a\u7684\u7ed3\u6784\u4f53\u6210\u5458\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684RV30\u6216RV40 RealVideo\u6570\u636e\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u65e0\u6548\u7684\u6307\u9488\u8bbf\u95ee\uff09\u3002",
  "discovererName": "Mateusz \"j00ru\" Jurczyk",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u8fd9\u4e2a\u5b89\u5168\u95ee\u9898\uff0c\u8bf7\u5230\u5382\u5546\u7684\u4e3b\u9875\u4e0b\u8f7d\uff1a\r\nhttp://git.videolan.org/?p=ffmpeg.git;a=commit;h=3197c0aa87a3b7190e17d49e6fbc7b554e4b3f0a",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-05927",
  "openTime": "2015-09-10",
  "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\u3002FFmpeg 2.7.2\u4e4b\u524d\u7248\u672c\u7684libavcodec/rv34.c\u6587\u4ef6\u4e2d\u7684\u2018ff_rv34_decode_init_thread_copy\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u521d\u59cb\u5316\u7279\u5b9a\u7684\u7ed3\u6784\u4f53\u6210\u5458\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684RV30\u6216RV40 RealVideo\u6570\u636e\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u65e0\u6548\u7684\u6307\u9488\u8bbf\u95ee\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 ff_rv34_decode_init_thread_copy\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "FFmpeg FFmpeg \u003c2.7.2"
  },
  "referenceLink": "http://git.videolan.org/?p=ffmpeg.git;a=commit;h=3197c0aa87a3b7190e17d49e6fbc7b554e4b3f0a",
  "serverity": "\u4e2d",
  "submitTime": "2015-09-09",
  "title": "FFmpeg ff_rv34_decode_init_thread_copy\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2015-6826 (GCVE-0-2015-6826)

Vulnerability from cvelistv5 – Published: 2015-09-06 01:00 – Updated: 2024-08-06 07:29

Summary

The ff_rv34_decode_init_thread_copy function in libavcodec/rv34.c in FFmpeg before 2.7.2 does not initialize certain structure members, which allows remote attackers to cause a denial of service (invalid pointer access) or possibly have unspecified other impact via crafted (1) RV30 or (2) RV40 RealVideo data.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

5 references

URL	Tags
http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%…	x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-2944-1	vendor-advisoryx_refsource_UBUNTU
https://lists.debian.org/debian-lts-announce/2018…	mailing-listx_refsource_MLIST
http://www.securitytracker.com/id/1033483	vdb-entryx_refsource_SECTRACK
http://ffmpeg.org/security.html	x_refsource_CONFIRM

Date Public

2015-07-18 00:00

Show details on NVD website

JSON

To clipboard

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            "name": "[debian-lts-announce] 20181220 [SECURITY] [DLA 1611-1] libav security update",
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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.
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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.

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.

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Action not permitted

CNVD-2015-05927

CVE-2015-6826 (GCVE-0-2015-6826)

Tags

Sightings

Nomenclature

Related by attack behaviour