9.8
CRITICAL
CVE-2019-9023
PHP Mbstring Regular Expression Buffer Over-Read Vulnerability
Description

An issue was discovered in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.1. A number of heap-based buffer over-read instances are present in mbstring regular expression functions when supplied with invalid multibyte data. These occur in ext/mbstring/oniguruma/regcomp.c, ext/mbstring/oniguruma/regexec.c, ext/mbstring/oniguruma/regparse.c, ext/mbstring/oniguruma/enc/unicode.c, and ext/mbstring/oniguruma/src/utf32_be.c when a multibyte regular expression pattern contains invalid multibyte sequences.

INFO

Published Date :

Feb. 22, 2019, 11:29 p.m.

Last Modified :

June 18, 2019, 6:15 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2019-9023 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-2019-9023 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 Canonical ubuntu_linux
1 Debian debian_linux
1 Opensuse leap
1 Netapp storage_automation_store
1 Php php
: Total Affected Vendor : 5 | Products : 5
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-2019-9023.

URL Resource
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00083.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00104.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00041.html
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00044.html
http://www.securityfocus.com/bid/107156 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2019:2519
https://access.redhat.com/errata/RHSA-2019:3299
https://bugs.php.net/bug.php?id=77370 Exploit Issue Tracking Patch Vendor Advisory
https://bugs.php.net/bug.php?id=77371 Issue Tracking Exploit Vendor Advisory Patch
https://bugs.php.net/bug.php?id=77381 Exploit Issue Tracking Patch Vendor Advisory
https://bugs.php.net/bug.php?id=77382 Exploit Issue Tracking Patch Vendor Advisory
https://bugs.php.net/bug.php?id=77385 Exploit Issue Tracking Patch Vendor Advisory
https://bugs.php.net/bug.php?id=77394 Exploit Issue Tracking Patch Vendor Advisory
https://bugs.php.net/bug.php?id=77418 Exploit Issue Tracking Patch Vendor Advisory
https://security.netapp.com/advisory/ntap-20190321-0001/ Patch Third Party Advisory
https://support.f5.com/csp/article/K06372014 Third Party Advisory
https://usn.ubuntu.com/3902-1/ Third Party Advisory
https://usn.ubuntu.com/3902-2/ Third Party Advisory
https://www.debian.org/security/2019/dsa-4398 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).

Profile Photo
syadg123/pigat

None

Python

Updated: 4 years, 5 months ago
0 stars 0 fork 0 watcher
Born at : April 7, 2020, 8:28 a.m. This repo has been linked 75 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-2019-9023 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-9023 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]

    Nov. 01, 2019

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2019:3299 [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 19, 2019

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2019:2519 [No Types Assigned]
  • CVE Modified by [email protected]

    Jun. 18, 2019

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00044.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jun. 18, 2019

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00041.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Apr. 30, 2019

    Action Type Old Value New Value
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00104.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00104.html Mailing List, Third Party Advisory
  • CVE Modified by [email protected]

    Apr. 29, 2019

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00104.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Apr. 25, 2019

    Action Type Old Value New Value
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00083.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00083.html Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Apr. 23, 2019

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00083.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Mar. 29, 2019

    Action Type Old Value New Value
    Changed Reference Type https://support.f5.com/csp/article/K06372014 No Types Assigned https://support.f5.com/csp/article/K06372014 Third Party Advisory
    Changed Reference Type https://security.netapp.com/advisory/ntap-20190321-0001/ No Types Assigned https://security.netapp.com/advisory/ntap-20190321-0001/ Patch, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:netapp:storage_automation_store:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Mar. 26, 2019

    Action Type Old Value New Value
    Added Reference https://support.f5.com/csp/article/K06372014 [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 21, 2019

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20190321-0001/ [No Types Assigned]
  • Modified Analysis by [email protected]

    Mar. 15, 2019

    Action Type Old Value New Value
    Changed Reference Type https://usn.ubuntu.com/3902-2/ No Types Assigned https://usn.ubuntu.com/3902-2/ Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* OR *cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
  • CVE Modified by [email protected]

    Mar. 13, 2019

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/3902-2/ [No Types Assigned]
  • Modified Analysis by [email protected]

    Mar. 08, 2019

    Action Type Old Value New Value
    Changed Reference Type https://usn.ubuntu.com/3902-1/ No Types Assigned https://usn.ubuntu.com/3902-1/ Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
  • CVE Modified by [email protected]

    Mar. 07, 2019

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/3902-1/ [No Types Assigned]
  • Modified Analysis by [email protected]

    Mar. 01, 2019

    Action Type Old Value New Value
    Changed Reference Type https://www.debian.org/security/2019/dsa-4398 No Types Assigned https://www.debian.org/security/2019/dsa-4398 Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Mar. 01, 2019

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2019/dsa-4398 [No Types Assigned]
  • Modified Analysis by [email protected]

    Feb. 27, 2019

    Action Type Old Value New Value
    Changed Reference Type http://www.securityfocus.com/bid/107156 No Types Assigned http://www.securityfocus.com/bid/107156 Third Party Advisory, VDB Entry
  • CVE Modified by [email protected]

    Feb. 27, 2019

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/107156 [No Types Assigned]
  • Initial Analysis by [email protected]

    Feb. 25, 2019

    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://bugs.php.net/bug.php?id=77371 No Types Assigned https://bugs.php.net/bug.php?id=77371 Exploit, Issue Tracking, Patch, Vendor Advisory
    Changed Reference Type https://bugs.php.net/bug.php?id=77382 No Types Assigned https://bugs.php.net/bug.php?id=77382 Exploit, Issue Tracking, Patch, Vendor Advisory
    Changed Reference Type https://bugs.php.net/bug.php?id=77394 No Types Assigned https://bugs.php.net/bug.php?id=77394 Exploit, Issue Tracking, Patch, Vendor Advisory
    Changed Reference Type https://bugs.php.net/bug.php?id=77385 No Types Assigned https://bugs.php.net/bug.php?id=77385 Exploit, Issue Tracking, Patch, Vendor Advisory
    Changed Reference Type https://bugs.php.net/bug.php?id=77418 No Types Assigned https://bugs.php.net/bug.php?id=77418 Exploit, Issue Tracking, Patch, Vendor Advisory
    Changed Reference Type https://bugs.php.net/bug.php?id=77370 No Types Assigned https://bugs.php.net/bug.php?id=77370 Exploit, Issue Tracking, Patch, Vendor Advisory
    Changed Reference Type https://bugs.php.net/bug.php?id=77381 No Types Assigned https://bugs.php.net/bug.php?id=77381 Exploit, Issue Tracking, Patch, Vendor Advisory
    Added CWE CWE-125
    Added CPE Configuration OR *cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions up to (excluding) 5.6.40 *cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions from (including) 7.0.0 up to (excluding) 7.1.26 *cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions from (including) 7.2.0 up to (excluding) 7.2.14 *cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions from (including) 7.3.0 up to (excluding) 7.3.1
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-2019-9023 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-2019-9023 weaknesses.

Exploit Prediction

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

1.03 }} 0.30%

score

0.84159

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: