Vulnerability-Lookup

CNVD-2021-78426

Vulnerability from cnvd - Published: 2021-10-19

Title

libde265堆缓冲区溢出漏洞（CNVD-2021-78426）

Description

libde265是h.265视频编解码器的开源实现。 libde265 1.0.4版中的put_epel_hv_fallback函数存在堆缓冲区溢出漏洞。攻击者可通过特制文件利用该漏洞导致拒绝服务。

Severity

中

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://github.com/strukturag/libde265

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-21594

Impacted products

Name
libde265 libde265 1.0.4

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-21594",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-21594"
    }
  },
  "description": "libde265\u662fh.265\u89c6\u9891\u7f16\u89e3\u7801\u5668\u7684\u5f00\u6e90\u5b9e\u73b0\u3002\n\nlibde265 1.0.4\u7248\u4e2d\u7684put_epel_hv_fallback\u51fd\u6570\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://github.com/strukturag/libde265",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-78426",
  "openTime": "2021-10-19",
  "products": {
    "product": "libde265 libde265 1.0.4"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-21594",
  "serverity": "\u4e2d",
  "submitTime": "2021-09-17",
  "title": "libde265\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2021-78426\uff09"
}

CVE-2020-21594 (GCVE-0-2020-21594)

Vulnerability from cvelistv5 – Published: 2021-09-16 00:00 – Updated: 2024-08-04 14:30

Summary

libde265 v1.0.4 contains a heap buffer overflow in the put_epel_hv_fallback function, which can be exploited via a crafted a file.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

2 references

URL	Tags
https://github.com/strukturag/libde265/issues/233
https://www.debian.org/security/2023/dsa-5346	vendor-advisory

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T14:30:33.455Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/strukturag/libde265/issues/233"
          },
          {
            "name": "DSA-5346",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2023/dsa-5346"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "libde265 v1.0.4 contains a heap buffer overflow in the put_epel_hv_fallback function, which can be exploited via a crafted a file."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-02-11T00:00:00.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://github.com/strukturag/libde265/issues/233"
        },
        {
          "name": "DSA-5346",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.debian.org/security/2023/dsa-5346"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2020-21594",
    "datePublished": "2021-09-16T00:00:00.000Z",
    "dateReserved": "2020-08-13T00:00:00.000Z",
    "dateUpdated": "2024-08-04T14:30:33.455Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.