Vulnerability-Lookup

CNVD-2017-05087

Vulnerability from cnvd - Published: 2017-04-23

Title

FreeType 'tt_size_reset'函数堆缓冲区溢出漏洞

Description

FreeType 2是FreeType团队开发的一个基于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中的truetype/ttobjs.c文件的'tt_size_reset'函数存在堆缓冲区溢出漏洞。攻击者可利用该漏洞造成拒绝服务（越边界写入）。

Severity

高

Patch Name

FreeType 'tt_size_reset'函数堆缓冲区溢出漏洞的补丁

Patch Description

Formal description

目前厂商已经发布了升级补丁以修复此安全问题，详情请关注厂商主页： https://www.freetype.org/

Reference

http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=e6699596af5c5d6f0ae0ea06e19df87dce088df8 https://nvd.nist.gov/vuln/detail/CVE-2017-7864

Impacted products

Name
FreeType FreeType 2 <2.7.1

Show details on source website

JSON

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{
  "bids": {
    "bid": {
      "bidNumber": "97673"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-7864",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7864"
    }
  },
  "description": "FreeType 2\u662fFreeType\u56e2\u961f\u5f00\u53d1\u7684\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\u4e2d\u7684truetype/ttobjs.c\u6587\u4ef6\u7684\u0027tt_size_reset\u0027\u51fd\u6570\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u8d8a\u8fb9\u754c\u5199\u5165\uff09\u3002",
  "discovererName": "monor",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttps://www.freetype.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-05087",
  "openTime": "2017-04-23",
  "patchDescription": "FreeType 2\u662fFreeType\u56e2\u961f\u5f00\u53d1\u7684\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\u4e2d\u7684truetype/ttobjs.c\u6587\u4ef6\u7684\u0027tt_size_reset\u0027\u51fd\u6570\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u8d8a\u8fb9\u754c\u5199\u5165\uff09\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 \u0027tt_size_reset\u0027\u51fd\u6570\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "FreeType FreeType 2 \u003c2.7.1"
  },
  "referenceLink": "http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=e6699596af5c5d6f0ae0ea06e19df87dce088df8\r\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-7864",
  "serverity": "\u9ad8",
  "submitTime": "2017-04-20",
  "title": "FreeType \u0027tt_size_reset\u0027\u51fd\u6570\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2017-7864 (GCVE-0-2017-7864)

Vulnerability from cvelistv5 – Published: 2017-04-14 04:30 – Updated: 2024-08-05 16:19

Summary

FreeType 2 before 2017-02-02 has an out-of-bounds write caused by a heap-based buffer overflow related to the tt_size_reset function in truetype/ttobjs.c.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

5 references

URL	Tags
http://www.securityfocus.com/bid/97673	vdb-entryx_refsource_BID
https://security.gentoo.org/glsa/201706-14	vendor-advisoryx_refsource_GENTOO
http://git.savannah.gnu.org/cgit/freetype/freetyp…	x_refsource_MISC
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

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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.