9.8
CRITICAL
CVE-2015-8389
PCRE Regular Expression Denial of Service (DoS)
Description

PCRE before 8.38 mishandles the /(?:|a|){100}x/ pattern and related patterns, which allows remote attackers to cause a denial of service (infinite recursion) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.

INFO

Published Date :

Dec. 2, 2015, 1:59 a.m.

Last Modified :

Feb. 16, 2023, 2:15 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2015-8389 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 Fedoraproject fedora
1 Php php
1 Pcre perl_compatible_regular_expression_library
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-2015-8389.

URL Resource
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/174931.html Third Party Advisory
http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup Release Notes Vendor Advisory
http://www.openwall.com/lists/oss-security/2015/11/29/1 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/82990 Third Party Advisory VDB Entry
https://bto.bluecoat.com/security-advisory/sa128 Permissions Required Third Party Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731 Third Party Advisory
https://security.gentoo.org/glsa/201607-02 Third Party Advisory
https://security.netapp.com/advisory/ntap-20230216-0002/

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-2015-8389 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2015-8389 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]

    Feb. 16, 2023

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20230216-0002/ [No Types Assigned]
  • Modified Analysis by [email protected]

    Aug. 16, 2022

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://bto.bluecoat.com/security-advisory/sa128 Third Party Advisory https://bto.bluecoat.com/security-advisory/sa128 Permissions Required, Third Party Advisory
    Changed Reference Type https://security.gentoo.org/glsa/201607-02 No Types Assigned https://security.gentoo.org/glsa/201607-02 Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions from (including) 5.5.0 up to (excluding) 5.5.32 *cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions from (including) 5.6.0 up to (excluding) 5.6.18 *cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions from (including) 7.0.0 up to (excluding) 7.0.3
  • CVE Modified by [email protected]

    Jul. 01, 2017

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/201607-02 [No Types Assigned]
  • Modified Analysis by [email protected]

    Dec. 29, 2016

    Action Type Old Value New Value
    Changed Reference Type http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup No Types Assigned http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup Release Notes, Vendor Advisory
    Changed Reference Type http://lists.fedoraproject.org/pipermail/package-announce/2016-January/174931.html No Types Assigned http://lists.fedoraproject.org/pipermail/package-announce/2016-January/174931.html Third Party Advisory
    Changed Reference Type https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731 No Types Assigned https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731 Third Party Advisory
    Changed Reference Type http://www.securityfocus.com/bid/82990 No Types Assigned http://www.securityfocus.com/bid/82990 Third Party Advisory, VDB Entry
    Changed Reference Type http://www.openwall.com/lists/oss-security/2015/11/29/1 No Types Assigned http://www.openwall.com/lists/oss-security/2015/11/29/1 Third Party Advisory, Mailing List
    Changed Reference Type https://bto.bluecoat.com/security-advisory/sa128 No Types Assigned https://bto.bluecoat.com/security-advisory/sa128 Third Party Advisory
    Added CWE CWE-185
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Dec. 28, 2016

    Action Type Old Value New Value
    Added Reference https://bto.bluecoat.com/security-advisory/sa128 [No Types Assigned]
  • CVE Modified by [email protected]

    Dec. 07, 2016

    Action Type Old Value New Value
    Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2016-January/174931.html [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 28, 2016

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/82990 [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 24, 2016

    Action Type Old Value New Value
    Added Reference https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
  • Modified Analysis by [email protected]

    Dec. 02, 2015

    Action Type Old Value New Value
    Added CPE Configuration Configuration 1 OR *cpe:2.3:a:pcre:perl_compatible_regular_expression_library:8.37:*:*:*:*:*:*:* (and previous)
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CWE CWE-119
  • Initial Analysis by [email protected]

    Dec. 02, 2015

    Action Type Old Value New Value
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.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2015-8389 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

2.82 }} 0.00%

score

0.89042

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability