CVE-2017-7186

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
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.
Overview
  • CVE ID
  • CVE-2017-7186
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Modified
  • Published Version
  • 2017-03-20T00:59:00
  • Last Modified Date
  • 2018-08-17T10:29:02
Weakness Enumerations
CWE URL
CWE-119 http://cwe.mitre.org/data/definitions/119.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:pcre:pcre:8.40:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:pcre:pcre2:10.23:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_ucd.c?r1=316&r2=670&sortby=date Patch
https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_internal.h?r1=600&r2=670&sortby=date Patch
https://vcs.pcre.org/pcre/code/trunk/pcre_ucd.c?r1=1490&r2=1688&sortby=date Patch
https://vcs.pcre.org/pcre/code/trunk/pcre_internal.h?r1=1649&r2=1688&sortby=date Patch
https://bugs.exim.org/show_bug.cgi?id=2052 Third Party Advisory
https://blogs.gentoo.org/ago/2017/03/14/libpcre-invalid-memory-read-in-match-pcre_exec-c/ Patch Third Party Advisory
http://www.securityfocus.com/bid/97030
https://security.gentoo.org/glsa/201710-09
https://security.gentoo.org/glsa/201710-25
https://access.redhat.com/errata/RHSA-2018:2486
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2017-7186
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7186
History
Created Old Value New Value Data Type Notes
2022-05-10 18:39:14 Added to TrackCVE
2022-12-02 14:55:09 2017-03-20T00:59Z 2017-03-20T00:59:00 CVE Published Date updated
2022-12-02 14:55:09 2018-08-17T10:29:02 CVE Modified Date updated
2022-12-02 14:55:09 Modified Vulnerability Status updated