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 :

Aug. 17, 2018, 10:29 a.m.

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.

Affected Products

The following products are affected by CVE-2017-7186 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Pcre pcre
2 Pcre pcre2

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

Updated: 1 year, 10 months ago
1 stars 0 fork 0 watcher
Born at : Oct. 5, 2022, 12:07 p.m. This repo has been linked 1276 different CVEs too.

None

Updated: 4 years, 8 months ago
1 stars 0 fork 0 watcher
Born at : July 17, 2018, 7:48 p.m. This repo has been linked 494 different CVEs too.

Security scan Images with Clair

Python Dockerfile

Updated: 1 month, 2 weeks ago
27 stars 10 fork 10 watcher
Born at : Oct. 22, 2017, 2:26 p.m. This repo has been linked 38 different CVEs too.

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.

  • 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:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
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

CVSS30 - Vulnerability Scoring System
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