Vulnerability-Lookup

CNVD-2017-06706

Vulnerability from cnvd - Published: 2017-05-16

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 – Updated: 2024-08-05 16:19

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.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

5 references

URL	Tags
https://security.gentoo.org/glsa/201706-14	vendor-advisoryx_refsource_GENTOO
http://git.savannah.gnu.org/cgit/freetype/freetyp…	x_refsource_MISC
http://www.securityfocus.com/bid/97680	vdb-entryx_refsource_BID
https://bugs.chromium.org/p/oss-fuzz/issues/detai…	x_refsource_MISC
https://www.oracle.com/security-alerts/cpuapr2020.html	x_refsource_MISC

Date Public

2017-04-14 00:00

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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            "name": "97680",
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            "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=759"
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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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.