CVE-2021-46143
Expat Group Size Integer Overflow Vulnerability
Description
In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize.
INFO
Published Date :
Jan. 6, 2022, 4:15 a.m.
Last Modified :
Oct. 6, 2022, 7:11 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
2.2
Public PoC/Exploit Available at Github
CVE-2021-46143 has a 7 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-2021-46143
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-2021-46143.
| URL | Resource |
|---|---|
| http://www.openwall.com/lists/oss-security/2022/01/17/3 | Mailing List Patch Third Party Advisory |
| https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf | Patch Third Party Advisory |
| https://github.com/libexpat/libexpat/issues/532 | Exploit Issue Tracking Patch Third Party Advisory |
| https://github.com/libexpat/libexpat/pull/538 | Patch Third Party Advisory |
| https://security.gentoo.org/glsa/202209-24 | Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20220121-0006/ | Third Party Advisory |
| https://www.debian.org/security/2022/dsa-5073 | Third Party Advisory |
| https://www.tenable.com/security/tns-2022-05 | 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).
All CVE - PoC in GitHub
poc proofofconcept tester allcve cvegithub cvenew cvepoc cveupdate
None
None
asp-net-core csharp docker dockerfile javascript react webapi docker-compose
C# Dockerfile HTML JavaScript CSS
None
Map Vulnerabilities into Different Layers of the Container Image
Python
None
CMake Makefile M4 Shell C C++ Python Inno Setup
None
CMake Makefile M4 Shell C C++ Python Inno Setup
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-46143 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-46143 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 -
Modified Analysis by [email protected]
Oct. 06, 2022
Action Type Old Value New Value Changed Reference Type https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf No Types Assigned https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf Patch, Third Party Advisory Changed Reference Type https://security.gentoo.org/glsa/202209-24 No Types Assigned https://security.gentoo.org/glsa/202209-24 Third Party Advisory Changed CPE Configuration OR *cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:* OR *cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:* *cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:hci_baseboard_management_controller:h610c:*:*:*:*:*:*:* *cpe:2.3:a:netapp:hci_baseboard_management_controller:h610s:*:*:*:*:*:*:* *cpe:2.3:a:netapp:hci_baseboard_management_controller:h615c:*:*:*:*:*:*:* *cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:a:siemens:sinema_remote_connect_server:*:*:*:*:*:*:*:* versions up to (excluding) 3.1 -
CVE Modified by [email protected]
Sep. 29, 2022
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202209-24 [No Types Assigned] -
CVE Modified by [email protected]
Jun. 14, 2022
Action Type Old Value New Value Added Reference https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf [No Types Assigned] -
Modified Analysis by [email protected]
Feb. 25, 2022
Action Type Old Value New Value Changed Reference Type http://www.openwall.com/lists/oss-security/2022/01/17/3 No Types Assigned http://www.openwall.com/lists/oss-security/2022/01/17/3 Mailing List, Patch, Third Party Advisory Changed Reference Type https://security.netapp.com/advisory/ntap-20220121-0006/ No Types Assigned https://security.netapp.com/advisory/ntap-20220121-0006/ Third Party Advisory Changed Reference Type https://www.debian.org/security/2022/dsa-5073 No Types Assigned https://www.debian.org/security/2022/dsa-5073 Third Party Advisory Changed Reference Type https://www.tenable.com/security/tns-2022-05 No Types Assigned https://www.tenable.com/security/tns-2022-05 Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:a:tenable:nessus:*:*:*:*:*:*:*:* versions up to (excluding) 8.15.3 *cpe:2.3:a:tenable:nessus:*:*:*:*:*:*:*:* versions from (including) 10.0.0 up to (excluding) 10.1.1 -
CVE Modified by [email protected]
Feb. 14, 2022
Action Type Old Value New Value Added Reference https://www.debian.org/security/2022/dsa-5073 [No Types Assigned] -
CVE Modified by [email protected]
Feb. 09, 2022
Action Type Old Value New Value Added Reference https://www.tenable.com/security/tns-2022-05 [No Types Assigned] -
CVE Modified by [email protected]
Jan. 21, 2022
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20220121-0006/ [No Types Assigned] -
CVE Modified by [email protected]
Jan. 17, 2022
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2022/01/17/3 [No Types Assigned] -
Initial Analysis by [email protected]
Jan. 13, 2022
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:P/I:P/A:P) Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Changed Reference Type https://github.com/libexpat/libexpat/issues/532 No Types Assigned https://github.com/libexpat/libexpat/issues/532 Exploit, Issue Tracking, Patch, Third Party Advisory Changed Reference Type https://github.com/libexpat/libexpat/pull/538 No Types Assigned https://github.com/libexpat/libexpat/pull/538 Patch, Third Party Advisory Added CWE NIST CWE-190 Added CPE Configuration OR *cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:* versions up to (excluding) 2.4.3
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-46143 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-2021-46143
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.15 }} 0.02%
score
0.51480
percentile