Vulnerability-Lookup

CNVD-2022-07635

Vulnerability from cnvd - Published: 2022-01-30

Title

libsixel拒绝服务漏洞

Description

libsixel是一个为DEC SIXEL图形和其他转换器程序提供编码/解码实现的软件包。 Libsixel在v1.10.3及之前的版本中存在拒绝服务漏洞，该漏洞源于libsixel的 stb_image.h组件中的NULL指针取消引用，攻击者可利用该漏洞通过精心制作的PICT文件导致拒绝服务 (DOS)。

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/libsixel/libsixel/issues/51

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-45340

Impacted products

Name
libsixel libsixel <=1.10.3

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-45340",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-45340"
    }
  },
  "description": "libsixel\u662f\u4e00\u4e2a\u4e3aDEC SIXEL\u56fe\u5f62\u548c\u5176\u4ed6\u8f6c\u6362\u5668\u7a0b\u5e8f\u63d0\u4f9b\u7f16\u7801/\u89e3\u7801\u5b9e\u73b0\u7684\u8f6f\u4ef6\u5305\u3002\n\nLibsixel\u5728v1.10.3\u53ca\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8elibsixel\u7684 stb_image.h\u7ec4\u4ef6\u4e2d\u7684NULL\u6307\u9488\u53d6\u6d88\u5f15\u7528\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u7cbe\u5fc3\u5236\u4f5c\u7684PICT\u6587\u4ef6\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1 (DOS)\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/libsixel/libsixel/issues/51",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-07635",
  "openTime": "2022-01-30",
  "products": {
    "product": "libsixel libsixel \u003c=1.10.3"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-45340",
  "serverity": "\u4e2d",
  "submitTime": "2022-01-27",
  "title": "libsixel\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2021-45340 (GCVE-0-2021-45340)

Vulnerability from cvelistv5 – Published: 2022-01-25 11:36 – Updated: 2024-08-04 04:39

Summary

In Libsixel prior to and including v1.10.3, a NULL pointer dereference in the stb_image.h component of libsixel allows attackers to cause a denial of service (DOS) via a crafted PICT file.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://github.com/libsixel/libsixel/issues/51	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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            "url": "https://github.com/libsixel/libsixel/issues/51"
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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.

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.
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CNVD-2022-07635

CVE-2021-45340 (GCVE-0-2021-45340)

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