Vulnerability-Lookup

CNVD-2018-05683

Vulnerability from cnvd - Published: 2018-03-20

Title

FreeType 2空指针解引用漏洞

Description

FreeType 2是一种软件字体引擎，特点是小巧、高效、高度可定制及可移植，同时能产生高质量输出（字形图像）。 FreeType 2中的ttinterp.c中的Ins_GETVARIATION()函数存在空指针解引用漏洞。攻击者可通过特制字体文件利用该漏洞导致拒绝服务。

Severity

中

Patch Name

FreeType 2空指针解引用漏洞的补丁

Patch Description

FreeType 2是一种软件字体引擎，特点是小巧、高效、高度可定制及可移植，同时能产生高质量输出（字形图像）。 FreeType 2中的ttinterp.c中的Ins_GETVARIATION()函数存在空指针解引用漏洞。攻击者可通过特制字体文件利用该漏洞导致拒绝服务。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

厂商已发布漏洞修复程序，请及时关注更新： https://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=29c759284e305ec428703c9a5831d0b1fc3497ef

Reference

https://nvd.nist.gov/vuln/detail/CVE-2018-6942

Impacted products

Name
FreeType FreeType 2 <=2.9

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-6942"
    }
  },
  "description": "FreeType 2\u662f\u4e00\u79cd\u8f6f\u4ef6\u5b57\u4f53\u5f15\u64ce\uff0c\u7279\u70b9\u662f\u5c0f\u5de7\u3001\u9ad8\u6548\u3001\u9ad8\u5ea6\u53ef\u5b9a\u5236\u53ca\u53ef\u79fb\u690d\uff0c\u540c\u65f6\u80fd\u4ea7\u751f\u9ad8\u8d28\u91cf\u8f93\u51fa\uff08\u5b57\u5f62\u56fe\u50cf\uff09\u3002\r\n\r\nFreeType 2\u4e2d\u7684ttinterp.c\u4e2d\u7684Ins_GETVARIATION()\u51fd\u6570\u5b58\u5728\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236\u5b57\u4f53\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "ClusterFuzz-External",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=29c759284e305ec428703c9a5831d0b1fc3497ef",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-05683",
  "openTime": "2018-03-20",
  "patchDescription": "FreeType 2\u662f\u4e00\u79cd\u8f6f\u4ef6\u5b57\u4f53\u5f15\u64ce\uff0c\u7279\u70b9\u662f\u5c0f\u5de7\u3001\u9ad8\u6548\u3001\u9ad8\u5ea6\u53ef\u5b9a\u5236\u53ca\u53ef\u79fb\u690d\uff0c\u540c\u65f6\u80fd\u4ea7\u751f\u9ad8\u8d28\u91cf\u8f93\u51fa\uff08\u5b57\u5f62\u56fe\u50cf\uff09\u3002\r\n\r\nFreeType 2\u4e2d\u7684ttinterp.c\u4e2d\u7684Ins_GETVARIATION()\u51fd\u6570\u5b58\u5728\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236\u5b57\u4f53\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\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": "FreeType 2\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "FreeType FreeType 2 \u003c=2.9"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2018-6942",
  "serverity": "\u4e2d",
  "submitTime": "2018-02-13",
  "title": "FreeType 2\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e"
}

CVE-2018-6942 (GCVE-0-2018-6942)

Vulnerability from cvelistv5 – Published: 2018-02-13 05:00 – Updated: 2024-08-05 06:17

Summary

An issue was discovered in FreeType 2 through 2.9. A NULL pointer dereference in the Ins_GETVARIATION() function within ttinterp.c could lead to DoS via a crafted font file.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root Scorecard

References

5 references

URL	Tags
https://git.savannah.gnu.org/cgit/freetype/freety…	x_refsource_MISC
https://bugs.chromium.org/p/oss-fuzz/issues/detai…	x_refsource_MISC
https://usn.ubuntu.com/3572-1/	vendor-advisoryx_refsource_UBUNTU
https://www.oracle.com/security-alerts/cpuapr2020.html	x_refsource_MISC
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Date Public

2018-02-12 00:00

Show details on NVD website

JSON

To clipboard

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            "url": "https://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=29c759284e305ec428703c9a5831d0b1fc3497ef"
          },
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            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5736"
          },
          {
            "name": "USN-3572-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/3572-1/"
          },
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            "tags": [
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            ],
            "url": "https://www.oracle.com/security-alerts/cpuapr2020.html"
          },
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            "name": "openSUSE-SU-2020:0704",
            "tags": [
              "vendor-advisory",
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            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00054.html"
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          "lang": "en",
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          "url": "https://www.oracle.com/security-alerts/cpuapr2020.html"
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Sightings

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Nomenclature

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CNVD-2018-05683

CVE-2018-6942 (GCVE-0-2018-6942)

Tags

Sightings

Nomenclature

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