cnvd - cnvd-2022-06541

CNVD-2022-06541

Vulnerability from cnvd - Published: 2022-01-25

Title

libsixel未验证的数组索引漏洞

Description

libsixel是一个SIXEL编码器/解码器实现。 libsixel 1.8.6存在未验证的数组索引漏洞。攻击者可利用该漏洞导致fromgif.c中的gif_out_code函数发生越界访问。

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/saitoha/libsixel

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-19668

Impacted products

Name
libsixel libsixel 1.8.6

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-19668",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-19668"
    }
  },
  "description": "libsixel\u662f\u4e00\u4e2aSIXEL\u7f16\u7801\u5668/\u89e3\u7801\u5668\u5b9e\u73b0\u3002\n\nlibsixel 1.8.6\u5b58\u5728\u672a\u9a8c\u8bc1\u7684\u6570\u7ec4\u7d22\u5f15\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4fromgif.c\u4e2d\u7684gif_out_code\u51fd\u6570\u53d1\u751f\u8d8a\u754c\u8bbf\u95ee\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/saitoha/libsixel",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-06541",
  "openTime": "2022-01-25",
  "products": {
    "product": "libsixel libsixel 1.8.6"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-19668",
  "serverity": "\u4e2d",
  "submitTime": "2020-11-23",
  "title": "libsixel\u672a\u9a8c\u8bc1\u7684\u6570\u7ec4\u7d22\u5f15\u6f0f\u6d1e"
}

CVE-2020-19668 (GCVE-0-2020-19668)

Vulnerability from cvelistv5 – Published: 2020-11-20 15:39 – Updated: 2024-08-04 14:15

Summary

Unverified indexs into the array lead to out of bound access in the gif_out_code function in fromgif.c in libsixel 1.8.6.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

https://github.com/saitoha/libsixel/issues/136

x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-04T14:15:28.388Z",
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              "x_transferred"
            ],
            "url": "https://github.com/saitoha/libsixel/issues/136"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "product": "n/a",
          "vendor": "n/a",
          "versions": [
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        }
      ],
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        "dateUpdated": "2020-11-20T15:39:12",
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      },
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        {
          "tags": [
            "x_refsource_MISC"
          ],
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        }
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  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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Sightings

Author	Source	Type	Date

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-2022-06541

CVE-2020-19668 (GCVE-0-2020-19668)

Tags

Sightings

Nomenclature