Vulnerability-Lookup

CNVD-2021-73920

Vulnerability from cnvd - Published: 2021-09-27

Title

libjpeg堆缓冲区溢出漏洞

Description

libjpeg是一个完全用C语言编写的处理JPEG图像数据格式的自由库。 libjpeg 2020021及更早版本中的linebuffer.cpp中的LineBuffer::FetchRegion()存在堆缓冲区溢出漏洞。目前没有详细的漏洞细节提供。

Severity

中

Patch Name

libjpeg堆缓冲区溢出漏洞的补丁

Patch Description

libjpeg是一个完全用C语言编写的处理JPEG图像数据格式的自由库。 libjpeg 2020021及更早版本中的linebuffer.cpp中的LineBuffer::FetchRegion()存在堆缓冲区溢出漏洞。目前没有详细的漏洞细节提供。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/thorfdbg/libjpeg

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-39518

Impacted products

Name
libjpeg libjpeg <=2020021

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-39518",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-39518"
    }
  },
  "description": "libjpeg\u662f\u4e00\u4e2a\u5b8c\u5168\u7528C\u8bed\u8a00\u7f16\u5199\u7684\u5904\u7406JPEG\u56fe\u50cf\u6570\u636e\u683c\u5f0f\u7684\u81ea\u7531\u5e93\u3002\n\nlibjpeg 2020021\u53ca\u66f4\u65e9\u7248\u672c\u4e2d\u7684linebuffer.cpp\u4e2d\u7684LineBuffer::FetchRegion()\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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/thorfdbg/libjpeg",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-73920",
  "openTime": "2021-09-27",
  "patchDescription": "libjpeg\u662f\u4e00\u4e2a\u5b8c\u5168\u7528C\u8bed\u8a00\u7f16\u5199\u7684\u5904\u7406JPEG\u56fe\u50cf\u6570\u636e\u683c\u5f0f\u7684\u81ea\u7531\u5e93\u3002\r\n\r\nlibjpeg 2020021\u53ca\u66f4\u65e9\u7248\u672c\u4e2d\u7684linebuffer.cpp\u4e2d\u7684LineBuffer::FetchRegion()\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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": "libjpeg\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "libjpeg libjpeg \u003c=2020021"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-39518",
  "serverity": "\u4e2d",
  "submitTime": "2021-09-23",
  "title": "libjpeg\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2021-39518 (GCVE-0-2021-39518)

Vulnerability from cvelistv5 – Published: 2021-09-20 15:26 – Updated: 2024-08-04 02:06

Summary

An issue was discovered in libjpeg through 2020021. LineBuffer::FetchRegion() in linebuffer.cpp has a heap-based buffer overflow.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

https://github.com/thorfdbg/libjpeg/issues/35

x_refsource_MISC

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T02:06:42.624Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/thorfdbg/libjpeg/issues/35"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue was discovered in libjpeg through 2020021. LineBuffer::FetchRegion() in linebuffer.cpp has a heap-based buffer overflow."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-09-20T15:26:48.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/thorfdbg/libjpeg/issues/35"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-39518",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "An issue was discovered in libjpeg through 2020021. LineBuffer::FetchRegion() in linebuffer.cpp has a heap-based buffer overflow."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/thorfdbg/libjpeg/issues/35",
              "refsource": "MISC",
              "url": "https://github.com/thorfdbg/libjpeg/issues/35"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-39518",
    "datePublished": "2021-09-20T15:26:48.000Z",
    "dateReserved": "2021-08-23T00:00:00.000Z",
    "dateUpdated": "2024-08-04T02:06:42.624Z",
    "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.

Action not permitted

CNVD-2021-73920

CVE-2021-39518 (GCVE-0-2021-39518)

Tags

Sightings

Nomenclature