CVE-2019-19203
Oniguruma Heap-Based Buffer Over-Read Vulnerability
Description
An issue was discovered in Oniguruma 6.x before 6.9.4_rc2. In the function gb18030_mbc_enc_len in file gb18030.c, a UChar pointer is dereferenced without checking if it passed the end of the matched string. This leads to a heap-based buffer over-read.
INFO
Published Date :
Nov. 21, 2019, 9:15 p.m.
Last Modified :
Nov. 7, 2023, 3:07 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2019-19203 has a 11 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-2019-19203
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-2019-19203.
| URL | Resource |
|---|---|
| https://github.com/ManhNDd/CVE-2019-19203 | Exploit Third Party Advisory |
| https://github.com/kkos/oniguruma/issues/163 | Exploit Patch Third Party Advisory |
| https://github.com/kkos/oniguruma/releases/tag/v6.9.4_rc2 | Release Notes |
| https://github.com/tarantula-team/CVE-2019-19203 | 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/ |
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
CMake Makefile Shell M4 C Python C++ HTML Batchfile
None
CMake Makefile Shell M4 C Python C++ HTML Batchfile
None
CMake Makefile Shell M4 C Python C++ HTML Batchfile
Map Vulnerabilities into Different Layers of the Container Image
Python
None
None
None
An issue was discovered in Oniguruma 6.x before 6.9.4_rc2. In the function gb18030_mbc_enc_len in file gb18030.c, a UChar pointer is dereferenced without checking if it passed the end of the matched string. This leads to a heap-based buffer over-read
Heap-buffer-overflow in Oniguruma (function gb18030_mbc_enc_len)
Esy-enabled build for the onigurama regex library
Makefile Shell C HTML CMake M4 C++ Python Batchfile
regular expression library
CMake Makefile Shell M4 HTML Batchfile C
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-19203 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-19203 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. 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/[email protected]/message/NO267PLHGYZSWX3XTRPKYBKD4J3YOU5V/ Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/V3MBNW6Z4DOXSCNWGBLQ7OA3OGUJ44WL/ -
Modified Analysis by [email protected]
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-2019-19203 No Types Assigned https://github.com/tarantula-team/CVE-2019-19203 Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/V3MBNW6Z4DOXSCNWGBLQ7OA3OGUJ44WL/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/V3MBNW6Z4DOXSCNWGBLQ7OA3OGUJ44WL/ Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Dec. 24, 2019
Action Type Old Value New Value Added Reference https://github.com/tarantula-team/CVE-2019-19203 [No Types Assigned] -
CVE Modified by [email protected]
Dec. 08, 2019
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/V3MBNW6Z4DOXSCNWGBLQ7OA3OGUJ44WL/ [No Types Assigned] -
Initial Analysis by [email protected]
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/163 No Types Assigned https://github.com/kkos/oniguruma/issues/163 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-2019-19203 No Types Assigned https://github.com/ManhNDd/CVE-2019-19203 Exploit, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/NO267PLHGYZSWX3XTRPKYBKD4J3YOU5V/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/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 [email protected]
Dec. 04, 2019
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/NO267PLHGYZSWX3XTRPKYBKD4J3YOU5V/ [No Types Assigned] -
CVE Modified by [email protected]
Nov. 30, 2019
Action Type Old Value New Value Added Reference https://github.com/ManhNDd/CVE-2019-19203 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-19203 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-2019-19203
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.75 }} 0.15%
score
0.81455
percentile