Vulnerability-Lookup

CNVD-2022-19850

Vulnerability from cnvd - Published: 2022-03-16

Title

ffjpeg缓冲区溢出漏洞（CNVD-2022-19850）

Description

ffjpeg是一款JPEG编码/解码器。 ffjpeg存在缓冲区溢出漏洞，该漏洞源于产品/src/jfif.c文件中的jfif_decode函数未能正确处理内存边界，攻击者可利用该漏洞通过特殊的jpeg文件导致拒绝服务。

Severity

中

Patch Name

ffjpeg缓冲区溢出漏洞（CNVD-2022-19850）的补丁

Patch Description

ffjpeg是一款JPEG编码/解码器。 ffjpeg存在缓冲区溢出漏洞，该漏洞源于产品/src/jfif.c文件中的jfif_decode函数未能正确处理内存边界，攻击者可利用该漏洞通过特殊的jpeg文件导致拒绝服务。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/rockcarry/ffjpeg

Reference

https://github.com/rockcarry/ffjpeg

Impacted products

Name
ffjpeg ffjpeg <01.01.2021

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-44956",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-44956"
    }
  },
  "description": "ffjpeg\u662f\u4e00\u6b3eJPEG\u7f16\u7801/\u89e3\u7801\u5668\u3002\n\nffjpeg\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4ea7\u54c1/src/jfif.c\u6587\u4ef6\u4e2d\u7684jfif_decode\u51fd\u6570\u672a\u80fd\u6b63\u786e\u5904\u7406\u5185\u5b58\u8fb9\u754c\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u7279\u6b8a\u7684jpeg\u6587\u4ef6\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/rockcarry/ffjpeg",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-19850",
  "openTime": "2022-03-16",
  "patchDescription": "ffjpeg\u662f\u4e00\u6b3eJPEG\u7f16\u7801/\u89e3\u7801\u5668\u3002\r\n\r\nffjpeg\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4ea7\u54c1/src/jfif.c\u6587\u4ef6\u4e2d\u7684jfif_decode\u51fd\u6570\u672a\u80fd\u6b63\u786e\u5904\u7406\u5185\u5b58\u8fb9\u754c\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u7279\u6b8a\u7684jpeg\u6587\u4ef6\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": "ffjpeg\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2022-19850\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "ffjpeg ffjpeg \u003c01.01.2021"
  },
  "referenceLink": "https://github.com/rockcarry/ffjpeg",
  "serverity": "\u4e2d",
  "submitTime": "2022-02-11",
  "title": "ffjpeg\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2022-19850\uff09"
}

CVE-2021-44956 (GCVE-0-2021-44956)

Vulnerability from cvelistv5 – Published: 2022-02-08 14:13 – Updated: 2024-08-04 04:32

Summary

Two Heap based buffer overflow vulnerabilities exist in ffjpeg through 01.01.2021. It is similar to CVE-2020-23852. Issues that are in the jfif_decode function at ffjpeg/src/jfif.c (line 552) could cause a Denial of Service by using a crafted jpeg file.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

1 reference

URL	Tags
https://github.com/rockcarry/ffjpeg/issues/43	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-04T04:32:13.566Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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              "x_transferred"
            ],
            "url": "https://github.com/rockcarry/ffjpeg/issues/43"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
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        }
      ],
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        }
      ],
      "problemTypes": [
        {
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              "type": "text"
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        "dateUpdated": "2022-02-08T14:13:22.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/rockcarry/ffjpeg/issues/43"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-44956",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
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        "data_type": "CVE",
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  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
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    "dateReserved": "2021-12-13T00:00:00.000Z",
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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.

Action not permitted

CNVD-2022-19850

CVE-2021-44956 (GCVE-0-2021-44956)

Tags

Sightings

Nomenclature