CVE-2015-2326
PCRE Denial of Service Integer Overflow
Description
The pcre_compile2 function in PCRE before 8.37 allows context-dependent attackers to compile incorrect code and cause a denial of service (out-of-bounds read) via regular expression with a group containing both a forward referencing subroutine call and a recursive back reference, as demonstrated by "((?+1)(\1))/".
INFO
Published Date :
Jan. 14, 2020, 5:15 p.m.
Last Modified :
Jan. 19, 2023, 4:38 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
Affected Products
The following products are affected by CVE-2015-2326
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.
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-2015-2326.
| URL | Resource |
|---|---|
| http://lists.opensuse.org/opensuse-updates/2015-05/msg00014.html | Mailing List Third Party Advisory |
| https://bugs.exim.org/show_bug.cgi?id=1592 | Exploit Issue Tracking Permissions Required Third Party Advisory |
| https://fortiguard.com/zeroday/FG-VD-15-016 | Third Party Advisory |
| https://www.pcre.org/original/changelog.txt | Release Notes Third Party 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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2015-2326 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2015-2326 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 -
Reanalysis by [email protected]
Jan. 19, 2023
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions from (including) 5.4.0 up to (excluding) 5.4.41 *cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions from (including) 5.5.0 up to (excluding) 5.5.26 *cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions from (including) 5.6.0 up to (excluding) 5.6.9 -
Reanalysis by [email protected]
Aug. 04, 2022
Action Type Old Value New Value Changed Reference Type https://bugs.exim.org/show_bug.cgi?id=1592 Exploit, Issue Tracking, Third Party Advisory https://bugs.exim.org/show_bug.cgi?id=1592 Exploit, Issue Tracking, Permissions Required, Third Party Advisory Changed Reference Type https://www.pcre.org/original/changelog.txt Release Notes https://www.pcre.org/original/changelog.txt Release Notes, Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:* versions from (including) 10.0.0 up to (excluding) 10.0.18 -
Initial Analysis by [email protected]
Jan. 24, 2020
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Changed Reference Type http://lists.opensuse.org/opensuse-updates/2015-05/msg00014.html No Types Assigned http://lists.opensuse.org/opensuse-updates/2015-05/msg00014.html Mailing List, Third Party Advisory Changed Reference Type https://bugs.exim.org/show_bug.cgi?id=1592 No Types Assigned https://bugs.exim.org/show_bug.cgi?id=1592 Exploit, Issue Tracking, Third Party Advisory Changed Reference Type https://fortiguard.com/zeroday/FG-VD-15-016 No Types Assigned https://fortiguard.com/zeroday/FG-VD-15-016 Third Party Advisory Changed Reference Type https://www.pcre.org/original/changelog.txt No Types Assigned https://www.pcre.org/original/changelog.txt Release Notes Added CWE NIST CWE-125 Added CPE Configuration OR *cpe:2.3:a:pcre:pcre:*:*:*:*:*:*:*:* versions up to (excluding) 8.37 Added CPE Configuration OR *cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2015-2326 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-2015-2326
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.10 }} 0.00%
score
0.39587
percentile