cnvd - cnvd-2017-03451

cnvd-2017-03451

Vulnerability from cnvd

Title: PCRE2和PCRE拒绝服务漏洞（CNVD-2017-03451）

Description:

PCRE（Perl Compatible Regular Expressions）和PCRE2都是软件开发者Philip Hazel所研发的产品。前者是一个使用C语言编写的开源正则表达式函数库，后者是一个用于修改PCRE的API。

PCRE2 10.23版本中的libpcre2和PCRE 8.40版本中的libpcre1存在拒绝服务漏洞。远程攻击者可利用该漏洞造成拒绝服务（段错误和应用程序崩溃）。

Severity: 中

Patch Name: PCRE2和PCRE拒绝服务漏洞（CNVD-2017-03451）的补丁

Patch Description:

PCRE2 10.23版本中的libpcre2和PCRE 8.40版本中的libpcre1存在拒绝服务漏洞。远程攻击者可利用该漏洞造成拒绝服务（段错误和应用程序崩溃）。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:

用户可联系供应商获得补丁信息： http://www.pcre.org/

Reference: https://vcs.pcre.org/pcre/code/trunk/pcre_ucd.c?r1=1490&amp;r2=1688&amp;sortby=date

Impacted products

Name
['PCRE PCRE2 10.23', 'PCRE PCRE 8.40']

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-7186",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7186"
    }
  },
  "description": "PCRE\uff08Perl Compatible Regular Expressions\uff09\u548cPCRE2\u90fd\u662f\u8f6f\u4ef6\u5f00\u53d1\u8005Philip Hazel\u6240\u7814\u53d1\u7684\u4ea7\u54c1\u3002\u524d\u8005\u662f\u4e00\u4e2a\u4f7f\u7528C\u8bed\u8a00\u7f16\u5199\u7684\u5f00\u6e90\u6b63\u5219\u8868\u8fbe\u5f0f\u51fd\u6570\u5e93\uff0c\u540e\u8005\u662f\u4e00\u4e2a\u7528\u4e8e\u4fee\u6539PCRE\u7684API\u3002\r\n\r\nPCRE2 10.23\u7248\u672c\u4e2d\u7684libpcre2\u548cPCRE 8.40\u7248\u672c\u4e2d\u7684libpcre1\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u6bb5\u9519\u8bef\u548c\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\uff09\u3002",
  "discovererName": "Agostino Sarubbo",
  "formalWay": "\u7528\u6237\u53ef\u8054\u7cfb\u4f9b\u5e94\u5546\u83b7\u5f97\u8865\u4e01\u4fe1\u606f\uff1a\r\nhttp://www.pcre.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-03451",
  "openTime": "2017-03-27",
  "patchDescription": "PCRE\uff08Perl Compatible Regular Expressions\uff09\u548cPCRE2\u90fd\u662f\u8f6f\u4ef6\u5f00\u53d1\u8005Philip Hazel\u6240\u7814\u53d1\u7684\u4ea7\u54c1\u3002\u524d\u8005\u662f\u4e00\u4e2a\u4f7f\u7528C\u8bed\u8a00\u7f16\u5199\u7684\u5f00\u6e90\u6b63\u5219\u8868\u8fbe\u5f0f\u51fd\u6570\u5e93\uff0c\u540e\u8005\u662f\u4e00\u4e2a\u7528\u4e8e\u4fee\u6539PCRE\u7684API\u3002\r\n\r\nPCRE2 10.23\u7248\u672c\u4e2d\u7684libpcre2\u548cPCRE 8.40\u7248\u672c\u4e2d\u7684libpcre1\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u6bb5\u9519\u8bef\u548c\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\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": "PCRE2\u548cPCRE\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2017-03451\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "PCRE PCRE2 10.23",
      "PCRE PCRE 8.40"
    ]
  },
  "referenceLink": "https://vcs.pcre.org/pcre/code/trunk/pcre_ucd.c?r1=1490\u0026amp;amp;r2=1688\u0026amp;amp;sortby=date",
  "serverity": "\u4e2d",
  "submitTime": "2017-03-21",
  "title": "PCRE2\u548cPCRE\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2017-03451\uff09"
}

CVE-2017-7186 (GCVE-0-2017-7186)

Vulnerability from cvelistv5

Published

2017-03-20 00:00

Modified

2024-08-05 15:56

Severity ?

CWE

Summary

libpcre1 in PCRE 8.40 and libpcre2 in PCRE2 10.23 allow remote attackers to cause a denial of service (segmentation violation for read access, and application crash) by triggering an invalid Unicode property lookup.

References

▼	URL	Tags
	https://bugs.exim.org/show_bug.cgi?id=2052	x_refsource_CONFIRM
	https://security.gentoo.org/glsa/201710-09	vendor-advisory, x_refsource_GENTOO
	https://vcs.pcre.org/pcre/code/trunk/pcre_internal.h?r1=1649&r2=1688&sortby=date	x_refsource_CONFIRM
	https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_internal.h?r1=600&r2=670&sortby=date	x_refsource_CONFIRM
	https://vcs.pcre.org/pcre/code/trunk/pcre_ucd.c?r1=1490&r2=1688&sortby=date	x_refsource_CONFIRM
	http://www.securityfocus.com/bid/97030	vdb-entry, x_refsource_BID
	https://blogs.gentoo.org/ago/2017/03/14/libpcre-invalid-memory-read-in-match-pcre_exec-c/	x_refsource_MISC
	https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_ucd.c?r1=316&r2=670&sortby=date	x_refsource_CONFIRM
	https://access.redhat.com/errata/RHSA-2018:2486	vendor-advisory, x_refsource_REDHAT
	https://security.gentoo.org/glsa/201710-25	vendor-advisory, x_refsource_GENTOO

Impacted products

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

Show details on NVD website

JSON

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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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