Vulnerability-Lookup

CNVD-2017-04912

Vulnerability from cnvd - Published: 2017-04-21

Title

PCRE ‘pcre32_copy_substring’函数缓冲区溢出漏洞（CNVD-2017-04912）

Description

PCRE（Perl Compatible Regular Expressions）是软件开发者Philip Hazel所研发的一个使用C语言编写的开源正则表达式函数库。 PCRE 8.40版本中libpcre1的pcre_get.c文件的'pcre32_copy_substring'函数存在缓冲区溢出漏洞。远程攻击者可利用该漏洞造成拒绝服务。

Severity

中

Formal description

目前没有详细的解决方案提供： http://www.pcre.org/

Reference

https://blogs.gentoo.org/ago/2017/03/20/libpcre-two-stack-based-buffer-overflow-write-in-pcre32_copy_substring-pcre_get-c/ http://www.securityfocus.com/bid/97067 https://nvd.nist.gov/vuln/detail/CVE-2017-7246

Impacted products

Name
PCRE PCRE 8.40

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "97067"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-7246"
    }
  },
  "description": "PCRE\uff08Perl Compatible Regular Expressions\uff09\u662f\u8f6f\u4ef6\u5f00\u53d1\u8005Philip Hazel\u6240\u7814\u53d1\u7684\u4e00\u4e2a\u4f7f\u7528C\u8bed\u8a00\u7f16\u5199\u7684\u5f00\u6e90\u6b63\u5219\u8868\u8fbe\u5f0f\u51fd\u6570\u5e93\u3002\r\n\r\nPCRE 8.40\u7248\u672c\u4e2dlibpcre1\u7684pcre_get.c\u6587\u4ef6\u7684\u0027pcre32_copy_substring\u0027\u51fd\u6570\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "Agostino Sarubbo of Gentoo",
  "formalWay": "\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u89e3\u51b3\u65b9\u6848\u63d0\u4f9b\uff1a\r\nhttp://www.pcre.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-04912",
  "openTime": "2017-04-21",
  "products": {
    "product": "PCRE PCRE 8.40"
  },
  "referenceLink": "https://blogs.gentoo.org/ago/2017/03/20/libpcre-two-stack-based-buffer-overflow-write-in-pcre32_copy_substring-pcre_get-c/\r\nhttp://www.securityfocus.com/bid/97067\r\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-7246",
  "serverity": "\u4e2d",
  "submitTime": "2017-03-28",
  "title": "PCRE \u2018pcre32_copy_substring\u2019\u51fd\u6570\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2017-04912\uff09"
}

CVE-2017-7246 (GCVE-0-2017-7246)

Vulnerability from cvelistv5 – Published: 2017-03-23 21:00 – Updated: 2024-08-05 15:56

Summary

Stack-based buffer overflow in the pcre32_copy_substring function in pcre_get.c in libpcre1 in PCRE 8.40 allows remote attackers to cause a denial of service (WRITE of size 268) or possibly have unspecified other impact via a crafted file.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

4 references

URL	Tags
http://www.securityfocus.com/bid/97067	vdb-entryx_refsource_BID
https://blogs.gentoo.org/ago/2017/03/20/libpcre-t…	x_refsource_MISC
https://access.redhat.com/errata/RHSA-2018:2486	vendor-advisoryx_refsource_REDHAT
https://security.gentoo.org/glsa/201710-25	vendor-advisoryx_refsource_GENTOO

Date Public

2017-03-23 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.
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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.

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.

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Action not permitted

CNVD-2017-04912

CVE-2017-7246 (GCVE-0-2017-7246)

Tags

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