cnvd - cnvd-2017-06706

cnvd-2017-06706

Vulnerability from cnvd

Title: FreeType 2堆缓冲区溢出漏洞

Description:

FreeType 2是一个基于C语言的、可移植的开源字体引擎库，它可用来将字符栅格化并映射成位图以及提供其他字体相关业务的支持。

FreeType 2存在堆缓冲区溢出漏洞。攻击者可利用该漏洞构建恶意字体，诱使应用解析，使应用程序崩溃。

Severity: 高

Patch Name: FreeType 2堆缓冲区溢出漏洞的补丁

Patch Description:

FreeType 2是一个基于C语言的、可移植的开源字体引擎库，它可用来将字符栅格化并映射成位图以及提供其他字体相关业务的支持。

FreeType 2存在堆缓冲区溢出漏洞。攻击者可利用该漏洞构建恶意字体，诱使应用解析，使应用程序崩溃。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:

用户可参考如下厂商提供的安全补丁以修复该漏洞： http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=7bbb91fbf47fc0775cc9705673caf0c47a81f94b

Reference: http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=7bbb91fbf47fc0775cc9705673caf0c47a81f94b

Impacted products

Name
FreeType FreeType 2 < 2017-03-08

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-7857"
    }
  },
  "description": "FreeType 2\u662f\u4e00\u4e2a\u57fa\u4e8eC\u8bed\u8a00\u7684\u3001\u53ef\u79fb\u690d\u7684\u5f00\u6e90\u5b57\u4f53\u5f15\u64ce\u5e93\uff0c\u5b83\u53ef\u7528\u6765\u5c06\u5b57\u7b26\u6805\u683c\u5316\u5e76\u6620\u5c04\u6210\u4f4d\u56fe\u4ee5\u53ca\u63d0\u4f9b\u5176\u4ed6\u5b57\u4f53\u76f8\u5173\u4e1a\u52a1\u7684\u652f\u6301\u3002\r\n\r\nFreeType 2\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6784\u5efa\u6076\u610f\u5b57\u4f53\uff0c\u8bf1\u4f7f\u5e94\u7528\u89e3\u6790\uff0c\u4f7f\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\u3002",
  "discovererName": "monor",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttp://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=7bbb91fbf47fc0775cc9705673caf0c47a81f94b",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-06706",
  "openTime": "2017-05-16",
  "patchDescription": "FreeType 2\u662f\u4e00\u4e2a\u57fa\u4e8eC\u8bed\u8a00\u7684\u3001\u53ef\u79fb\u690d\u7684\u5f00\u6e90\u5b57\u4f53\u5f15\u64ce\u5e93\uff0c\u5b83\u53ef\u7528\u6765\u5c06\u5b57\u7b26\u6805\u683c\u5316\u5e76\u6620\u5c04\u6210\u4f4d\u56fe\u4ee5\u53ca\u63d0\u4f9b\u5176\u4ed6\u5b57\u4f53\u76f8\u5173\u4e1a\u52a1\u7684\u652f\u6301\u3002\r\n\r\nFreeType 2\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6784\u5efa\u6076\u610f\u5b57\u4f53\uff0c\u8bf1\u4f7f\u5e94\u7528\u89e3\u6790\uff0c\u4f7f\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\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\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "FreeType FreeType 2 \u003c 2017-03-08"
  },
  "referenceLink": "http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=7bbb91fbf47fc0775cc9705673caf0c47a81f94b",
  "serverity": "\u9ad8",
  "submitTime": "2017-04-25",
  "title": "FreeType 2\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2017-7857 (GCVE-0-2017-7857)

Vulnerability from cvelistv5

Published

2017-04-14 04:30

Modified

2024-08-05 16:19

Severity ?

CWE

Summary

FreeType 2 before 2017-03-08 has an out-of-bounds write caused by a heap-based buffer overflow related to the TT_Get_MM_Var function in truetype/ttgxvar.c and the sfnt_init_face function in sfnt/sfobjs.c.

References

▼	URL	Tags
	https://security.gentoo.org/glsa/201706-14	vendor-advisory, x_refsource_GENTOO
	http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=7bbb91fbf47fc0775cc9705673caf0c47a81f94b	x_refsource_MISC
	http://www.securityfocus.com/bid/97680	vdb-entry, x_refsource_BID
	https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=759	x_refsource_MISC
	https://www.oracle.com/security-alerts/cpuapr2020.html	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

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            "url": "http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=7bbb91fbf47fc0775cc9705673caf0c47a81f94b"
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          }
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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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