Vulnerability-Lookup

CNVD-2021-25719

Vulnerability from cnvd - Published: 2021-04-08

Title

LIM OpenEXR空指针解引用漏洞

Description

OpenEXR是一种开放标准的高动态范围图像格式，在计算机图形学里被广泛用于存储图像数据，但也可以存储一些后期合成处理所需的数据。 LIM OpenEXR 3.0.0-beta之前版本的IlmImf库的Dwa解压缩功能存在空指针解引用漏洞，攻击者可通过特制输入文件利用该漏洞导致拒绝服务。

Severity

中

Patch Name

LIM OpenEXR空指针解引用漏洞的补丁

Patch Description

OpenEXR是一种开放标准的高动态范围图像格式，在计算机图形学里被广泛用于存储图像数据，但也可以存储一些后期合成处理所需的数据。 LIM OpenEXR 3.0.0-beta之前版本的IlmImf库的Dwa解压缩功能存在空指针解引用漏洞，攻击者可通过特制输入文件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://github.com/AcademySoftwareFoundation/openexr/commit/b0c63c0b96eb9b0d3998f603e12f9f414fb0d44a

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-20296

Impacted products

Name
Industrial Light and Magic OpenEXR <3.0.0-beta

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-20296",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-20296"
    }
  },
  "description": "OpenEXR\u662f\u4e00\u79cd\u5f00\u653e\u6807\u51c6\u7684\u9ad8\u52a8\u6001\u8303\u56f4\u56fe\u50cf\u683c\u5f0f\uff0c\u5728\u8ba1\u7b97\u673a\u56fe\u5f62\u5b66\u91cc\u88ab\u5e7f\u6cdb\u7528\u4e8e\u5b58\u50a8\u56fe\u50cf\u6570\u636e\uff0c\u4f46\u4e5f\u53ef\u4ee5\u5b58\u50a8\u4e00\u4e9b\u540e\u671f\u5408\u6210\u5904\u7406\u6240\u9700\u7684\u6570\u636e\u3002\n\nLIM OpenEXR 3.0.0-beta\u4e4b\u524d\u7248\u672c\u7684IlmImf\u5e93\u7684Dwa\u89e3\u538b\u7f29\u529f\u80fd\u5b58\u5728\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236\u8f93\u5165\u6587\u4ef6\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://github.com/AcademySoftwareFoundation/openexr/commit/b0c63c0b96eb9b0d3998f603e12f9f414fb0d44a",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-25719",
  "openTime": "2021-04-08",
  "patchDescription": "OpenEXR\u662f\u4e00\u79cd\u5f00\u653e\u6807\u51c6\u7684\u9ad8\u52a8\u6001\u8303\u56f4\u56fe\u50cf\u683c\u5f0f\uff0c\u5728\u8ba1\u7b97\u673a\u56fe\u5f62\u5b66\u91cc\u88ab\u5e7f\u6cdb\u7528\u4e8e\u5b58\u50a8\u56fe\u50cf\u6570\u636e\uff0c\u4f46\u4e5f\u53ef\u4ee5\u5b58\u50a8\u4e00\u4e9b\u540e\u671f\u5408\u6210\u5904\u7406\u6240\u9700\u7684\u6570\u636e\u3002\r\n\r\nLIM OpenEXR 3.0.0-beta\u4e4b\u524d\u7248\u672c\u7684IlmImf\u5e93\u7684Dwa\u89e3\u538b\u7f29\u529f\u80fd\u5b58\u5728\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236\u8f93\u5165\u6587\u4ef6\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": "LIM OpenEXR\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Industrial Light and Magic OpenEXR \u003c3.0.0-beta"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-20296",
  "serverity": "\u4e2d",
  "submitTime": "2021-04-02",
  "title": "LIM OpenEXR\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e"
}

CVE-2021-20296 (GCVE-0-2021-20296)

Vulnerability from cvelistv5 – Published: 2021-04-01 00:00 – Updated: 2024-08-03 17:37

Summary

A flaw was found in OpenEXR in versions before 3.0.0-beta. A crafted input file supplied by an attacker, that is processed by the Dwa decompression functionality of OpenEXR's IlmImf library, could cause a NULL pointer dereference. The highest threat from this vulnerability is to system availability.

Severity

No CVSS data available.

CWE

CWE-476

Assigner

redhat redhat root

References

5 references

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1939141
https://bugs.chromium.org/p/oss-fuzz/issues/detai…
https://lists.debian.org/debian-lts-announce/2021…	mailing-list
https://security.gentoo.org/glsa/202107-27	vendor-advisory
https://lists.debian.org/debian-lts-announce/2022…	mailing-list

Impacted products

1 product

Vendor	Product	Version
n/a	OpenEXR	Affected: OpenEXR 3.0.0-beta

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:37:23.528Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1939141"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24854"
          },
          {
            "name": "[debian-lts-announce] 20210703 [SECURITY] [DLA 2701-1] openexr security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2021/07/msg00001.html"
          },
          {
            "name": "GLSA-202107-27",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202107-27"
          },
          {
            "name": "[debian-lts-announce] 20221211 [SECURITY] [DLA 3236-1] openexr security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "OpenEXR",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "OpenEXR 3.0.0-beta"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A flaw was found in OpenEXR in versions before 3.0.0-beta. A crafted input file supplied by an attacker, that is processed by the Dwa decompression functionality of OpenEXR\u0027s IlmImf library, could cause a NULL pointer dereference. The highest threat from this vulnerability is to system availability."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-476",
              "description": "CWE-476",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-12-12T00:00:00.000Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1939141"
        },
        {
          "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24854"
        },
        {
          "name": "[debian-lts-announce] 20210703 [SECURITY] [DLA 2701-1] openexr security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2021/07/msg00001.html"
        },
        {
          "name": "GLSA-202107-27",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://security.gentoo.org/glsa/202107-27"
        },
        {
          "name": "[debian-lts-announce] 20221211 [SECURITY] [DLA 3236-1] openexr security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2021-20296",
    "datePublished": "2021-04-01T00:00:00.000Z",
    "dateReserved": "2020-12-17T00:00:00.000Z",
    "dateUpdated": "2024-08-03T17:37:23.528Z",
    "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.