Vulnerability-Lookup

CNVD-2021-84233

Vulnerability from cnvd - Published: 2021-10-29

Title

Apple tvOS缓冲区溢出漏洞

Description

Apple tvOS是美国苹果（Apple）公司的一套智能电视操作系统。 Apple tvOS存在缓冲区溢出漏洞。该漏洞源于内存损坏。攻击者可通过恶意制作的web内容导致代码执行。

Severity

中

Patch Name

Apple tvOS缓冲区溢出漏洞的补丁

Patch Description

Apple tvOS是美国苹果（Apple）公司的一套智能电视操作系统。 Apple tvOS存在缓冲区溢出漏洞。该漏洞源于内存损坏。攻击者可通过恶意制作的web内容导致代码执行。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

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://support.apple.com/en-us/HT212814

Reference

https://www.debian.org/security/2021/dsa-4995

Impacted products

Name
['Apple iPadOS 15', 'Apple Safari 15', 'Apple tvOS 15', 'Apple watchOS 8', 'Apple iOS 15']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-30851",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-30851"
    }
  },
  "description": "Apple tvOS\u662f\u7f8e\u56fd\u82f9\u679c\uff08Apple\uff09\u516c\u53f8\u7684\u4e00\u5957\u667a\u80fd\u7535\u89c6\u64cd\u4f5c\u7cfb\u7edf\u3002\n\nApple tvOS\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5185\u5b58\u635f\u574f\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u6076\u610f\u5236\u4f5c\u7684web\u5185\u5bb9\u5bfc\u81f4\u4ee3\u7801\u6267\u884c\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://support.apple.com/en-us/HT212814",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-84233",
  "openTime": "2021-10-29",
  "patchDescription": "Apple tvOS\u662f\u7f8e\u56fd\u82f9\u679c\uff08Apple\uff09\u516c\u53f8\u7684\u4e00\u5957\u667a\u80fd\u7535\u89c6\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nApple tvOS\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5185\u5b58\u635f\u574f\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u6076\u610f\u5236\u4f5c\u7684web\u5185\u5bb9\u5bfc\u81f4\u4ee3\u7801\u6267\u884c\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": "Apple tvOS\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Apple iPadOS 15",
      "Apple Safari 15",
      "Apple tvOS 15",
      "Apple watchOS 8",
      "Apple iOS 15"
    ]
  },
  "referenceLink": "https://www.debian.org/security/2021/dsa-4995",
  "serverity": "\u4e2d",
  "submitTime": "2021-11-01",
  "title": "Apple tvOS\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2021-30851 (GCVE-0-2021-30851)

Vulnerability from cvelistv5 – Published: 2021-08-24 18:49 – Updated: 2024-08-03 22:48

Summary

A memory corruption vulnerability was addressed with improved locking. This issue is fixed in Safari 15, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to code execution.

Severity

No CVSS data available.

CWE

Processing maliciously crafted web content may lead to code execution

Assigner

apple CNA under the mitre root

CNA scorecard E 37/100 over 619 records in the last 180 days details

References

10 references

URL	Tags
https://support.apple.com/en-us/HT212814	x_refsource_MISC
https://support.apple.com/en-us/HT212819	x_refsource_MISC
https://support.apple.com/en-us/HT212815	x_refsource_MISC
https://support.apple.com/en-us/HT212816	x_refsource_MISC
https://support.apple.com/kb/HT212869	x_refsource_CONFIRM
https://www.debian.org/security/2021/dsa-4995	vendor-advisoryx_refsource_DEBIAN
https://www.debian.org/security/2021/dsa-4996	vendor-advisoryx_refsource_DEBIAN
http://www.openwall.com/lists/oss-security/2021/10/31/1	mailing-listx_refsource_MLIST
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA

Impacted products

4 products

Vendor	Product	Version
Apple	iOS and iPadOS	Affected: unspecified , < 15 (custom)
Apple	tvOS	Affected: unspecified , < 15 (custom)
Apple	Safari	Affected: unspecified , < 15 (custom)
Apple	watchOS	Affected: unspecified , < 8 (custom)

Show details on NVD website

JSON

To clipboard

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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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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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.

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