Vulnerability-Lookup

CNVD-2015-06015

Vulnerability from cnvd - Published: 2015-09-16

Title

FreeType parse_encoding函数拒绝服务漏洞

Description

FreeType是一个流行的字体函数库。 FreeType 2.5.3之前版本的type1/t1load.c的parse_encoding函数存在安全漏洞，远程攻击者利用此漏洞可造成拒绝服务（无限循环）。

Severity

中

Patch Name

FreeType parse_encoding函数拒绝服务漏洞的补丁

Patch Description

FreeType是一个流行的字体函数库。 FreeType 2.5.3之前版本的type1/t1load.c的parse_encoding函数存在安全漏洞，远程攻击者利用此漏洞可造成拒绝服务（无限循环）。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

目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载： http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=df14e6c0b9592cbb24d5381dfc6106b14f915e75

Reference

https://code.google.com/p/chromium/issues/detail?id=459050 https://bugs.launchpad.net/ubuntu/+source/freetype/+bug/1492124 https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-9745

Impacted products

Name
FreeType FreeType < 2.5.3

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2014-9745"
    }
  },
  "description": "FreeType\u662f\u4e00\u4e2a\u6d41\u884c\u7684\u5b57\u4f53\u51fd\u6570\u5e93\u3002\r\n\r\nFreeType 2.5.3\u4e4b\u524d\u7248\u672c\u7684type1/t1load.c\u7684parse_encoding\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u5229\u7528\u6b64\u6f0f\u6d1e\u53ef\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u65e0\u9650\u5faa\u73af\uff09\u3002",
  "discovererName": "FreeType",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u8fd9\u4e2a\u5b89\u5168\u95ee\u9898\uff0c\u8bf7\u5230\u5382\u5546\u7684\u4e3b\u9875\u4e0b\u8f7d\uff1a\r\nhttp://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=df14e6c0b9592cbb24d5381dfc6106b14f915e75",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-06015",
  "openTime": "2015-09-16",
  "patchDescription": "FreeType\u662f\u4e00\u4e2a\u6d41\u884c\u7684\u5b57\u4f53\u51fd\u6570\u5e93\u3002\r\n\r\nFreeType 2.5.3\u4e4b\u524d\u7248\u672c\u7684type1/t1load.c\u7684parse_encoding\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u5229\u7528\u6b64\u6f0f\u6d1e\u53ef\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u65e0\u9650\u5faa\u73af\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 parse_encoding\u51fd\u6570\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "FreeType FreeType \u003c 2.5.3"
  },
  "referenceLink": "https://code.google.com/p/chromium/issues/detail?id=459050\r\nhttps://bugs.launchpad.net/ubuntu/+source/freetype/+bug/1492124\r\nhttps://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-9745",
  "serverity": "\u4e2d",
  "submitTime": "2015-09-15",
  "title": "FreeType parse_encoding\u51fd\u6570\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2014-9745 (GCVE-0-2014-9745)

Vulnerability from cvelistv5 – Published: 2015-09-14 20:00 – Updated: 2024-08-06 13:55

Summary

The parse_encoding function in type1/t1load.c in FreeType before 2.5.3 allows remote attackers to cause a denial of service (infinite loop) via a "broken number-with-base" in a Postscript stream, as demonstrated by 8#garbage.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

9 references

URL	Tags
http://www.ubuntu.com/usn/USN-2739-1	vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-updates/2015-1…	vendor-advisoryx_refsource_SUSE
http://git.savannah.gnu.org/cgit/freetype/freetyp…	x_refsource_CONFIRM
http://www.securityfocus.com/bid/76727	vdb-entryx_refsource_BID
http://savannah.nongnu.org/bugs/index.php?41590	x_refsource_CONFIRM
https://code.google.com/p/chromium/issues/detail?…	x_refsource_CONFIRM
http://www.debian.org/security/2015/dsa-3370	vendor-advisoryx_refsource_DEBIAN
https://bugs.launchpad.net/ubuntu/+source/freetyp…	x_refsource_CONFIRM
http://www.securitytracker.com/id/1033536	vdb-entryx_refsource_SECTRACK

Date Public

2014-02-14 00:00

Show details on NVD website

JSON

To clipboard

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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.

Action not permitted

CNVD-2015-06015

CVE-2014-9745 (GCVE-0-2014-9745)

Tags

Sightings

Nomenclature

Related by attack behaviour