CVE-2017-7186
PCRE libpcre1/libpcre2 Denial of Service
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.
INFO
Published Date :
March 20, 2017, 12:59 a.m.
Last Modified :
Nov. 21, 2024, 3:31 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2017-7186 has a 3 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2017-7186.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Map Vulnerabilities into Different Layers of the Container Image
Python
None
Security scan Images with Clair
Python Dockerfile
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2017-7186 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2017-7186 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/97030 Added Reference https://access.redhat.com/errata/RHSA-2018:2486 Added Reference https://blogs.gentoo.org/ago/2017/03/14/libpcre-invalid-memory-read-in-match-pcre_exec-c/ Added Reference https://bugs.exim.org/show_bug.cgi?id=2052 Added Reference https://security.gentoo.org/glsa/201710-09 Added Reference https://security.gentoo.org/glsa/201710-25 Added Reference https://vcs.pcre.org/pcre/code/trunk/pcre_internal.h?r1=1649&r2=1688&sortby=date Added Reference https://vcs.pcre.org/pcre/code/trunk/pcre_ucd.c?r1=1490&r2=1688&sortby=date Added Reference https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_internal.h?r1=600&r2=670&sortby=date Added Reference https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_ucd.c?r1=316&r2=670&sortby=date -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Aug. 17, 2018
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2018:2486 [No Types Assigned] -
CVE Modified by [email protected]
Oct. 24, 2017
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/201710-25 [No Types Assigned] -
CVE Modified by [email protected]
Oct. 10, 2017
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/201710-09 [No Types Assigned] -
CVE Modified by [email protected]
Mar. 25, 2017
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/97030 [No Types Assigned] -
Initial Analysis by [email protected]
Mar. 22, 2017
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://vcs.pcre.org/pcre/code/trunk/pcre_internal.h?r1=1649&r2=1688&sortby=date No Types Assigned https://vcs.pcre.org/pcre/code/trunk/pcre_internal.h?r1=1649&r2=1688&sortby=date Patch Changed Reference Type https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_internal.h?r1=600&r2=670&sortby=date No Types Assigned https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_internal.h?r1=600&r2=670&sortby=date Patch Changed Reference Type https://blogs.gentoo.org/ago/2017/03/14/libpcre-invalid-memory-read-in-match-pcre_exec-c/ No Types Assigned https://blogs.gentoo.org/ago/2017/03/14/libpcre-invalid-memory-read-in-match-pcre_exec-c/ Patch, Third Party Advisory Changed Reference Type https://vcs.pcre.org/pcre/code/trunk/pcre_ucd.c?r1=1490&r2=1688&sortby=date No Types Assigned https://vcs.pcre.org/pcre/code/trunk/pcre_ucd.c?r1=1490&r2=1688&sortby=date Patch Changed Reference Type https://bugs.exim.org/show_bug.cgi?id=2052 No Types Assigned https://bugs.exim.org/show_bug.cgi?id=2052 Third Party Advisory Changed Reference Type https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_ucd.c?r1=316&r2=670&sortby=date No Types Assigned https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_ucd.c?r1=316&r2=670&sortby=date Patch Added CWE CWE-119 Added CPE Configuration OR *cpe:2.3:a:pcre:pcre:8.40:*:*:*:*:*:*:* *cpe:2.3:a:pcre:pcre2:10.23:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2017-7186 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2017-7186
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
4.78 }} 0.53%
score
0.92740
percentile