Vulnerability-Lookup

CNVD-2021-89167

Vulnerability from cnvd - Published: 2021-11-19

Title

Speex存在未明漏洞

Description

Speex是一种专为语音设计的自由软件无专利音频压缩格式。 Speex v1.2存在安全漏洞，攻击者可利用该漏洞通过一个精心制作的WAV文件引起拒绝服务(DoS)。

Severity

中

Patch Name

Speex存在未明漏洞的补丁

Patch Description

Speex是一种专为语音设计的自由软件无专利音频压缩格式。 Speex v1.2存在安全漏洞，攻击者可利用该漏洞通过一个精心制作的WAV文件引起拒绝服务(DoS)。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://github.com/xiph/speex/issues/14

Reference

https://github.com/xiph/speex/issues/14

Impacted products

Name
Speex Speex 1.2

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-23904"
    }
  },
  "description": "Speex\u662f\u4e00\u79cd\u4e13\u4e3a\u8bed\u97f3\u8bbe\u8ba1\u7684\u81ea\u7531\u8f6f\u4ef6\u65e0\u4e13\u5229\u97f3\u9891\u538b\u7f29\u683c\u5f0f\u3002\n\nSpeex v1.2\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u4e00\u4e2a\u7cbe\u5fc3\u5236\u4f5c\u7684WAV\u6587\u4ef6\u5f15\u8d77\u62d2\u7edd\u670d\u52a1(DoS)\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://github.com/xiph/speex/issues/14",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-89167",
  "openTime": "2021-11-19",
  "patchDescription": "Speex\u662f\u4e00\u79cd\u4e13\u4e3a\u8bed\u97f3\u8bbe\u8ba1\u7684\u81ea\u7531\u8f6f\u4ef6\u65e0\u4e13\u5229\u97f3\u9891\u538b\u7f29\u683c\u5f0f\u3002\r\n\r\nSpeex v1.2\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u4e00\u4e2a\u7cbe\u5fc3\u5236\u4f5c\u7684WAV\u6587\u4ef6\u5f15\u8d77\u62d2\u7edd\u670d\u52a1(DoS)\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": "Speex\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Speex Speex 1.2"
  },
  "referenceLink": "https://github.com/xiph/speex/issues/14",
  "serverity": "\u4e2d",
  "submitTime": "2021-11-12",
  "title": "Speex\u5b58\u5728\u672a\u660e\u6f0f\u6d1e"
}

CVE-2020-23904 (GCVE-0-2020-23904)

Vulnerability from cvelistv5 – Published: 2021-11-10 21:26 – Updated: 2024-08-04 15:05 Disputed

Summary

A stack buffer overflow in speexenc.c of Speex v1.2 allows attackers to cause a denial of service (DoS) via a crafted WAV file. NOTE: the vendor states "I cannot reproduce it" and it "is a demo program.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://github.com/xiph/speex/issues/14	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-04T15:05:11.309Z",
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              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/xiph/speex/issues/14"
          }
        ],
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      "providerMetadata": {
        "dateUpdated": "2022-01-21T15:42:11.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
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          ],
          "url": "https://github.com/xiph/speex/issues/14"
        }
      ],
      "tags": [
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          "ID": "CVE-2020-23904",
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        },
        "affects": {
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                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
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        "description": {
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        "references": {
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              "refsource": "MISC",
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            }
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  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2020-23904",
    "datePublished": "2021-11-10T21:26:13.000Z",
    "dateReserved": "2020-08-13T00:00:00.000Z",
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    "state": "PUBLISHED"
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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.

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CNVD-2021-89167

CVE-2020-23904 (GCVE-0-2020-23904)

Tags

Sightings

Nomenclature

Related by attack behaviour