cnvd - cnvd-2020-01920

CNVD-2020-01920

Vulnerability from cnvd - Published: 2020-01-13

Title

FontForge缓冲区溢出漏洞（CNVD-2020-01920）

Description

FontForge是一款开源的支持多种语言的字体编辑工具。 FontForge 20190801版本中的splinesave.c文件的‘Type2NotDefSplines()’函数存在缓冲区溢出漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。

Severity

中

Formal description

目前厂商尚未提供相关漏洞补丁链接，请关注厂商主页随时更新： http://fontforge.github.io/

Reference

https://github.com/fontforge/fontforge/issues/4085

Impacted products

Name
FontForge FontForge 20190801

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-5496"
    }
  },
  "description": "FontForge\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u652f\u6301\u591a\u79cd\u8bed\u8a00\u7684\u5b57\u4f53\u7f16\u8f91\u5de5\u5177\u3002\n\nFontForge 20190801\u7248\u672c\u4e2d\u7684splinesave.c\u6587\u4ef6\u7684\u2018Type2NotDefSplines()\u2019\u51fd\u6570\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u5728\u5185\u5b58\u4e0a\u6267\u884c\u64cd\u4f5c\u65f6\uff0c\u672a\u6b63\u786e\u9a8c\u8bc1\u6570\u636e\u8fb9\u754c\uff0c\u5bfc\u81f4\u5411\u5173\u8054\u7684\u5176\u4ed6\u5185\u5b58\u4f4d\u7f6e\u4e0a\u6267\u884c\u4e86\u9519\u8bef\u7684\u8bfb\u5199\u64cd\u4f5c\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\u6216\u5806\u6ea2\u51fa\u7b49\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u76f8\u5173\u6f0f\u6d1e\u8865\u4e01\u94fe\u63a5\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u968f\u65f6\u66f4\u65b0\uff1a\r\nhttp://fontforge.github.io/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-01920",
  "openTime": "2020-01-13",
  "products": {
    "product": "FontForge FontForge 20190801"
  },
  "referenceLink": "https://github.com/fontforge/fontforge/issues/4085",
  "serverity": "\u4e2d",
  "submitTime": "2020-01-07",
  "title": "FontForge\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2020-01920\uff09"
}

CVE-2020-5496 (GCVE-0-2020-5496)

Vulnerability from cvelistv5 – Published: 2020-01-03 00:00 – Updated: 2024-08-04 08:30

Summary

FontForge 20190801 has a heap-based buffer overflow in the Type2NotDefSplines() function in splinesave.c.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://github.com/fontforge/fontforge/issues/4085
	http://lists.opensuse.org/opensuse-security-annou…	vendor-advisory
	https://security.gentoo.org/glsa/202004-14	vendor-advisory
	https://lists.debian.org/debian-lts-announce/2024…	mailing-list

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T08:30:24.288Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/fontforge/fontforge/issues/4085"
          },
          {
            "name": "openSUSE-SU-2020:0089",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00041.html"
          },
          {
            "name": "GLSA-202004-14",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202004-14"
          },
          {
            "name": "[debian-lts-announce] 20240307 [SECURITY] [DLA 3754-1] fontforge security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2024/03/msg00007.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "FontForge 20190801 has a heap-based buffer overflow in the Type2NotDefSplines() function in splinesave.c."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-03-08T00:06:02.084815",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://github.com/fontforge/fontforge/issues/4085"
        },
        {
          "name": "openSUSE-SU-2020:0089",
          "tags": [
            "vendor-advisory"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00041.html"
        },
        {
          "name": "GLSA-202004-14",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://security.gentoo.org/glsa/202004-14"
        },
        {
          "name": "[debian-lts-announce] 20240307 [SECURITY] [DLA 3754-1] fontforge security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2024/03/msg00007.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2020-5496",
    "datePublished": "2020-01-03T00:00:00",
    "dateReserved": "2020-01-03T00:00:00",
    "dateUpdated": "2024-08-04T08:30:24.288Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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-2020-01920

CVE-2020-5496 (GCVE-0-2020-5496)

Tags

Sightings

Nomenclature