Vulnerability-Lookup

CNVD-2021-62886

Vulnerability from cnvd - Published: 2021-08-18

Title

VideoLAN VLC空指针解引用漏洞

Description

VideoLAN VLC是一款开源的跨平台多媒体播放器及框架，可播放大多数多媒体文件，以及DVD、音频CD、VCD及各类流媒体协议。 VideoLAN VLC 3.0.11版中的avi.c中的"Open"存在空指针解引用漏洞，攻击者可利用该漏洞导致拒绝服务。

Severity

中

Patch Name

VideoLAN VLC空指针解引用漏洞的补丁

Patch Description

VideoLAN VLC是一款开源的跨平台多媒体播放器及框架，可播放大多数多媒体文件，以及DVD、音频CD、VCD及各类流媒体协议。 VideoLAN VLC 3.0.11版中的avi.c中的"Open"存在空指针解引用漏洞，攻击者可利用该漏洞导致拒绝服务。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： https://code.videolan.org/videolan/vlc-3.0/-/commit/a7f577ec26d35bbd7b2a3cda89d1b41bde69de9c

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-25804

Impacted products

Name
VideoLAN VLC 3.0.11

Show details on source website

JSON

To clipboard

{
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    "cve": {
      "cveNumber": "CVE-2021-25804",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-25804"
    }
  },
  "description": "VideoLAN VLC\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u8de8\u5e73\u53f0\u591a\u5a92\u4f53\u64ad\u653e\u5668\u53ca\u6846\u67b6\uff0c\u53ef\u64ad\u653e\u5927\u591a\u6570\u591a\u5a92\u4f53\u6587\u4ef6\uff0c\u4ee5\u53caDVD\u3001\u97f3\u9891CD\u3001VCD\u53ca\u5404\u7c7b\u6d41\u5a92\u4f53\u534f\u8bae\u3002\n\nVideoLAN VLC 3.0.11\u7248\u4e2d\u7684avi.c\u4e2d\u7684\"Open\"\u5b58\u5728\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://code.videolan.org/videolan/vlc-3.0/-/commit/a7f577ec26d35bbd7b2a3cda89d1b41bde69de9c",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-62886",
  "openTime": "2021-08-18",
  "patchDescription": "VideoLAN VLC\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u8de8\u5e73\u53f0\u591a\u5a92\u4f53\u64ad\u653e\u5668\u53ca\u6846\u67b6\uff0c\u53ef\u64ad\u653e\u5927\u591a\u6570\u591a\u5a92\u4f53\u6587\u4ef6\uff0c\u4ee5\u53caDVD\u3001\u97f3\u9891CD\u3001VCD\u53ca\u5404\u7c7b\u6d41\u5a92\u4f53\u534f\u8bae\u3002\r\n\r\nVideoLAN VLC 3.0.11\u7248\u4e2d\u7684avi.c\u4e2d\u7684\"Open\"\u5b58\u5728\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\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": "VideoLAN VLC\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "VideoLAN VLC 3.0.11"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-25804",
  "serverity": "\u4e2d",
  "submitTime": "2021-07-27",
  "title": "VideoLAN VLC\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e"
}

CVE-2021-25804 (GCVE-0-2021-25804)

Vulnerability from cvelistv5 – Published: 2021-07-26 16:26 – Updated: 2024-08-03 20:11

Summary

A NULL-pointer dereference in "Open" in avi.c of VideoLAN VLC Media Player 3.0.11 can a denial of service (DOS) in the application.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://code.videolan.org/videolan/vlc-3.0/-/comm…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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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.