9.8
CRITICAL
CVE-2017-8786
PCRE2 Heap-Based Buffer Overflow Denial of Service
Description

pcre2test.c in PCRE2 10.23 allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a crafted regular expression.

INFO

Published Date :

May 5, 2017, 12:29 a.m.

Last Modified :

Oct. 10, 2017, 1:30 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2017-8786 has a 1 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-2017-8786 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 pcre2
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-2017-8786.

URL Resource
https://blogs.gentoo.org/ago/2017/04/29/libpcre-heap-based-buffer-overflow-write-in-pcre2test-c/ Exploit Patch Third Party Advisory VDB Entry
https://bugs.exim.org/show_bug.cgi?id=2079 Exploit Issue Tracking Third Party Advisory VDB Entry
https://security.gentoo.org/glsa/201710-09
https://vcs.pcre.org/pcre2?view=revision&revision=696 Patch Vendor Advisory
https://vcs.pcre.org/pcre2?view=revision&revision=697 Patch Vendor Advisory

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).

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.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2017-8786 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2017-8786 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]

    Oct. 10, 2017

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/201710-09 [No Types Assigned]
  • Initial Analysis by [email protected]

    May. 15, 2017

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://vcs.pcre.org/pcre2?view=revision&revision=696 No Types Assigned https://vcs.pcre.org/pcre2?view=revision&revision=696 Patch, Vendor Advisory
    Changed Reference Type https://bugs.exim.org/show_bug.cgi?id=2079 No Types Assigned https://bugs.exim.org/show_bug.cgi?id=2079 Exploit, Issue Tracking, Third Party Advisory, VDB Entry
    Changed Reference Type https://vcs.pcre.org/pcre2?view=revision&revision=697 No Types Assigned https://vcs.pcre.org/pcre2?view=revision&revision=697 Patch, Vendor Advisory
    Changed Reference Type https://blogs.gentoo.org/ago/2017/04/29/libpcre-heap-based-buffer-overflow-write-in-pcre2test-c/ No Types Assigned https://blogs.gentoo.org/ago/2017/04/29/libpcre-heap-based-buffer-overflow-write-in-pcre2test-c/ Exploit, Patch, Third Party Advisory, VDB Entry
    Added CWE CWE-119
    Added CPE Configuration OR *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.

1.47 }} 0.00%

score

0.84665

percentile

CVSS30 - Vulnerability Scoring System
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