7.5
HIGH
CVE-2019-19204
Oniguruma Heap-Based Buffer Over-Read Vulnerability
Description

An issue was discovered in Oniguruma 6.x before 6.9.4_rc2. In the function fetch_interval_quantifier (formerly known as fetch_range_quantifier) in regparse.c, PFETCH is called without checking PEND. This leads to a heap-based buffer over-read.

INFO

Published Date :

Nov. 21, 2019, 9:15 p.m.

Last Modified :

Nov. 21, 2024, 4:34 a.m.

Source :

cve@mitre.org

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2019-19204 has a 9 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-2019-19204 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 Debian debian_linux
1 Oniguruma_project oniguruma
: Total Affected Vendor : 3 | Products : 3
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-2019-19204.

URL Resource
https://github.com/ManhNDd/CVE-2019-19204 Exploit Third Party Advisory
https://github.com/kkos/oniguruma/issues/162 Exploit Patch Third Party Advisory
https://github.com/kkos/oniguruma/releases/tag/v6.9.4_rc2 Release Notes
https://github.com/tarantula-team/CVE-2019-19204 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/12/msg00002.html Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NO267PLHGYZSWX3XTRPKYBKD4J3YOU5V/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V3MBNW6Z4DOXSCNWGBLQ7OA3OGUJ44WL/
https://usn.ubuntu.com/4460-1/
https://github.com/ManhNDd/CVE-2019-19204 Exploit Third Party Advisory
https://github.com/kkos/oniguruma/issues/162 Exploit Patch Third Party Advisory
https://github.com/kkos/oniguruma/releases/tag/v6.9.4_rc2 Release Notes
https://github.com/tarantula-team/CVE-2019-19204 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/12/msg00002.html Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NO267PLHGYZSWX3XTRPKYBKD4J3YOU5V/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V3MBNW6Z4DOXSCNWGBLQ7OA3OGUJ44WL/
https://usn.ubuntu.com/4460-1/

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
balabit-deps/balabit-os-9-libonig

None

CMake Makefile Shell M4 C Python C++ HTML Batchfile

Updated: 2 years, 5 months ago
0 stars 0 fork 0 watcher
Born at : Nov. 15, 2022, 6:57 a.m. This repo has been linked 8 different CVEs too.
Profile Photo
balabit-deps/balabit-os-8-libonig

None

CMake Makefile Shell M4 C Python C++ HTML Batchfile

Updated: 2 years, 5 months ago
0 stars 0 fork 0 watcher
Born at : Nov. 14, 2022, 7:22 p.m. This repo has been linked 13 different CVEs too.
Profile Photo
deepin-community/libonig

None

CMake Makefile Shell M4 C Python C++ HTML Batchfile

Updated: 2 years, 6 months ago
0 stars 0 fork 0 watcher
Born at : Oct. 11, 2022, 4:56 a.m. This repo has been linked 8 different CVEs too.
Profile Photo
developer3000S/PoC-in-GitHub

None

Updated: 6 months, 1 week ago
34 stars 3 fork 3 watcher
Born at : March 12, 2021, 12:22 p.m. This repo has been linked 1063 different CVEs too.
Profile Photo
hectorgie/PoC-in-GitHub

None

Updated: 2 weeks, 4 days ago
18 stars 10 fork 10 watcher
Born at : Jan. 2, 2021, 10:19 p.m. This repo has been linked 1053 different CVEs too.
Profile Photo
0xT11/CVE-POC

None

Updated: 2 months, 2 weeks ago
84 stars 32 fork 32 watcher
Born at : Oct. 2, 2020, 2:49 p.m. This repo has been linked 1114 different CVEs too.
Profile Photo
tarantula-team/CVE-2019-19204

Heap-buffer-overflow in Oniguruma (function fetch_interval_quantifier)

Updated: 5 years, 3 months ago
0 stars 0 fork 0 watcher
Born at : Dec. 24, 2019, 8:19 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
ManhNDd/CVE-2019-19204

Heap-buffer-overflow in Oniguruma (function fetch_interval_quantifier)

Updated: 1 year ago
3 stars 0 fork 0 watcher
Born at : Nov. 21, 2019, 11:53 p.m. This repo has been linked 1 different CVEs too.
Profile Photo
onivim/esy-oniguruma

Esy-enabled build for the onigurama regex library

Makefile Shell C HTML CMake M4 C++ Python Batchfile

Updated: 2 years, 6 months ago
2 stars 3 fork 3 watcher
Born at : Aug. 17, 2019, 9:46 p.m. This repo has been linked 13 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-2019-19204 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-19204 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://github.com/kkos/oniguruma/issues/162
    Added Reference https://github.com/kkos/oniguruma/releases/tag/v6.9.4_rc2
    Added Reference https://github.com/ManhNDd/CVE-2019-19204
    Added Reference https://github.com/tarantula-team/CVE-2019-19204
    Added Reference https://lists.debian.org/debian-lts-announce/2019/12/msg00002.html
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NO267PLHGYZSWX3XTRPKYBKD4J3YOU5V/
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V3MBNW6Z4DOXSCNWGBLQ7OA3OGUJ44WL/
    Added Reference https://usn.ubuntu.com/4460-1/
  • CVE Modified by cve@mitre.org

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by cve@mitre.org

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NO267PLHGYZSWX3XTRPKYBKD4J3YOU5V/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V3MBNW6Z4DOXSCNWGBLQ7OA3OGUJ44WL/ [No types assigned]
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NO267PLHGYZSWX3XTRPKYBKD4J3YOU5V/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V3MBNW6Z4DOXSCNWGBLQ7OA3OGUJ44WL/
  • CVE Modified by cve@mitre.org

    Aug. 24, 2020

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/4460-1/ [No Types Assigned]
  • Modified Analysis by nvd@nist.gov

    Feb. 18, 2020

    Action Type Old Value New Value
    Removed CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Removed CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://github.com/tarantula-team/CVE-2019-19204 No Types Assigned https://github.com/tarantula-team/CVE-2019-19204 Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2019/12/msg00002.html No Types Assigned https://lists.debian.org/debian-lts-announce/2019/12/msg00002.html Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V3MBNW6Z4DOXSCNWGBLQ7OA3OGUJ44WL/ No Types Assigned https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V3MBNW6Z4DOXSCNWGBLQ7OA3OGUJ44WL/ Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
  • CVE Modified by cve@mitre.org

    Dec. 24, 2019

    Action Type Old Value New Value
    Added Reference https://github.com/tarantula-team/CVE-2019-19204 [No Types Assigned]
  • CVE Modified by cve@mitre.org

    Dec. 08, 2019

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V3MBNW6Z4DOXSCNWGBLQ7OA3OGUJ44WL/ [No Types Assigned]
  • CVE Modified by cve@mitre.org

    Dec. 04, 2019

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2019/12/msg00002.html [No Types Assigned]
  • Initial Analysis by nvd@nist.gov

    Dec. 04, 2019

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    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://github.com/kkos/oniguruma/issues/162 No Types Assigned https://github.com/kkos/oniguruma/issues/162 Exploit, Patch, Third Party Advisory
    Changed Reference Type https://github.com/kkos/oniguruma/releases/tag/v6.9.4_rc2 No Types Assigned https://github.com/kkos/oniguruma/releases/tag/v6.9.4_rc2 Release Notes
    Changed Reference Type https://github.com/ManhNDd/CVE-2019-19204 No Types Assigned https://github.com/ManhNDd/CVE-2019-19204 Exploit, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NO267PLHGYZSWX3XTRPKYBKD4J3YOU5V/ No Types Assigned https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NO267PLHGYZSWX3XTRPKYBKD4J3YOU5V/ Third Party Advisory
    Added CWE NIST CWE-125
    Added CPE Configuration OR *cpe:2.3:a:oniguruma_project:oniguruma:*:*:*:*:*:*:*:* versions from (including) 6.0.0 up to (excluding) 6.9.4 *cpe:2.3:a:oniguruma_project:oniguruma:6.9.4:rc1:*:*:*:*:*:*
  • CVE Modified by cve@mitre.org

    Dec. 04, 2019

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NO267PLHGYZSWX3XTRPKYBKD4J3YOU5V/ [No Types Assigned]
  • CVE Modified by cve@mitre.org

    Nov. 30, 2019

    Action Type Old Value New Value
    Added Reference https://github.com/ManhNDd/CVE-2019-19204 [No Types Assigned]
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.
10010090908080707060605050404030302020101000March 7, 2023March 7, 2023Oct. 12, 2023Oct. 12, 2023Nov. 8, 2023Nov. 8, 2023March 16, 2024March 16, 2024Nov. 14, 2024Nov. 14, 2024Dec. 17, 2024Dec. 17, 2024March 17, 2025March 17, 2025March 19, 2025March 19, 2025March 20, 2025March 20, 2025March 27, 2025March 27, 2025March 28, 2025March 28, 2025March 29, 2025March 29, 2025March 30, 2025March 30, 2025
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-19204 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-2019-19204 weaknesses.

Exploit Prediction

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

11.19 }} -23.31%

score

0.92863

percentile

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