Vulnerability-Lookup

CNVD-2021-38079

Vulnerability from cnvd - Published: 2021-05-31

Title

ffjpeg堆缓冲区溢出漏洞

Description

ffjpeg是一个简单的jpeg编码和解码实现。 ffjpeg 2020-07-02及更早版本中的ffjpeg/src/jfif.c中的jfif_decode函数存在堆缓冲区溢出漏洞。攻击者可通过提交恶意jpeg图像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/rockcarry/ffjpeg

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-23852

Impacted products

Name
ffjpeg ffjpeg <=2020-07-02

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JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-23852",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-23852"
    }
  },
  "description": "ffjpeg\u662f\u4e00\u4e2a\u7b80\u5355\u7684jpeg\u7f16\u7801\u548c\u89e3\u7801\u5b9e\u73b0\u3002\n\nffjpeg 2020-07-02\u53ca\u66f4\u65e9\u7248\u672c\u4e2d\u7684ffjpeg/src/jfif.c\u4e2d\u7684jfif_decode\u51fd\u6570\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u63d0\u4ea4\u6076\u610fjpeg\u56fe\u50cf\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/rockcarry/ffjpeg",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-38079",
  "openTime": "2021-05-31",
  "products": {
    "product": "ffjpeg ffjpeg \u003c=2020-07-02"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-23852",
  "serverity": "\u4e2d",
  "submitTime": "2021-05-19",
  "title": "ffjpeg\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2020-23852 (GCVE-0-2020-23852)

Vulnerability from cvelistv5 – Published: 2021-05-18 14:12 – Updated: 2024-08-04 15:05

Summary

A heap based buffer overflow vulnerability exists in ffjpeg through 2020-07-02 in the jfif_decode(void *ctxt, BMP *pb) function at ffjpeg/src/jfif.c (line 544 & line 545), which could cause a denial of service by submitting a malicious jpeg image.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

1 reference

URL	Tags
https://github.com/rockcarry/ffjpeg/issues/28	x_refsource_MISC

Show details on NVD website

JSON

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            ],
            "url": "https://github.com/rockcarry/ffjpeg/issues/28"
          }
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  "cveMetadata": {
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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-2021-38079

CVE-2020-23852 (GCVE-0-2020-23852)

Tags

Sightings

Nomenclature