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 :
Nov. 21, 2024, 3:34 a.m.
Source :
[email protected]
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.
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 |
| 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
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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://blogs.gentoo.org/ago/2017/04/29/libpcre-heap-based-buffer-overflow-write-in-pcre2test-c/ Added Reference https://bugs.exim.org/show_bug.cgi?id=2079 Added Reference https://security.gentoo.org/glsa/201710-09 Added Reference https://vcs.pcre.org/pcre2?view=revision&revision=696 Added Reference https://vcs.pcre.org/pcre2?view=revision&revision=697 -
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:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2017-8786 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-2017-8786
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
1.10 }} -0.37%
score
0.84167
percentile