CVE-2021-22945
"Curl MQTT Double Free Vulnerability"
Description
When sending data to an MQTT server, libcurl <= 7.73.0 and 7.78.0 could in some circumstances erroneously keep a pointer to an already freed memory area and both use that again in a subsequent call to send data and also free it *again*.
INFO
Published Date :
Sept. 23, 2021, 1:15 p.m.
Last Modified :
March 27, 2024, 3:04 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.2
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2021-22945 has a 5 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-2021-22945
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-2021-22945
.
URL | Resource |
---|---|
http://seclists.org/fulldisclosure/2022/Mar/29 | Mailing List Third Party Advisory |
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf | Patch Third Party Advisory |
https://hackerone.com/reports/1269242 | Exploit Patch Third Party Advisory |
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/APOAK4X73EJTAPTSVT7IRVDMUWVXNWGD/ | Mailing List Third Party Advisory |
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RWLEC6YVEM2HWUBX67SDGPSY4CQB72OE/ | Mailing List Third Party Advisory |
https://security.gentoo.org/glsa/202212-01 | Third Party Advisory |
https://security.netapp.com/advisory/ntap-20211029-0003/ | Third Party Advisory |
https://support.apple.com/kb/HT213183 | Third Party Advisory |
https://www.debian.org/security/2022/dsa-5197 | Third Party Advisory |
https://www.oracle.com/security-alerts/cpuoct2021.html | Patch 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).
Demonstrating the Trivy Operator and its capabilities
Hello world api
argocd-demo
Dockerfile Makefile Python
None
Kubernetes Operator based on the open-source container vulnerability scanner Trivy.
kopf python python3 kubernetes trivy operator kubernetes-operator kubernetes-operators admission-control admission-controller admission-controlers python-kubernetes
Shell Dockerfile Python Makefile Smarty
None
Shell Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-22945
vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-22945
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]
Mar. 27, 2024
Action Type Old Value New Value Changed Reference Type https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/APOAK4X73EJTAPTSVT7IRVDMUWVXNWGD/ No Types Assigned https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/APOAK4X73EJTAPTSVT7IRVDMUWVXNWGD/ Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RWLEC6YVEM2HWUBX67SDGPSY4CQB72OE/ No Types Assigned https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RWLEC6YVEM2HWUBX67SDGPSY4CQB72OE/ Mailing List, Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:* versions from (including) 8.2.0 up to (excluding) 8.2.12 *cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:* versions from (including) 9.0.0 up to (excluding) 9.0.6 *cpe:2.3:a:splunk:universal_forwarder:9.1.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference HackerOne https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RWLEC6YVEM2HWUBX67SDGPSY4CQB72OE/ [No types assigned] Added Reference HackerOne https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/APOAK4X73EJTAPTSVT7IRVDMUWVXNWGD/ [No types assigned] Removed Reference HackerOne https://lists.fedoraproject.org/archives/list/[email protected]/message/RWLEC6YVEM2HWUBX67SDGPSY4CQB72OE/ Removed Reference HackerOne https://lists.fedoraproject.org/archives/list/[email protected]/message/APOAK4X73EJTAPTSVT7IRVDMUWVXNWGD/ -
Modified Analysis by [email protected]
Dec. 22, 2022
Action Type Old Value New Value Changed Reference Type https://security.gentoo.org/glsa/202212-01 No Types Assigned https://security.gentoo.org/glsa/202212-01 Third Party Advisory Changed Reference Type https://www.debian.org/security/2022/dsa-5197 No Types Assigned https://www.debian.org/security/2022/dsa-5197 Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Dec. 19, 2022
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202212-01 [No Types Assigned] -
CVE Modified by [email protected]
Aug. 02, 2022
Action Type Old Value New Value Added Reference https://www.debian.org/security/2022/dsa-5197 [No Types Assigned] -
Modified Analysis by [email protected]
Apr. 15, 2022
Action Type Old Value New Value Changed Reference Type http://seclists.org/fulldisclosure/2022/Mar/29 No Types Assigned http://seclists.org/fulldisclosure/2022/Mar/29 Mailing List, Third Party Advisory Changed Reference Type https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf No Types Assigned https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf Patch, Third Party Advisory Changed Reference Type https://support.apple.com/kb/HT213183 No Types Assigned https://support.apple.com/kb/HT213183 Third Party Advisory Changed CPE Configuration OR *cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:* OR *cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions from (including) 12.0.0 up to (excluding) 12.3 Added CPE Configuration OR *cpe:2.3:a:siemens:sinec_ins:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.1 -
CVE Modified by [email protected]
Mar. 15, 2022
Action Type Old Value New Value Added Reference http://seclists.org/fulldisclosure/2022/Mar/29 [No Types Assigned] -
CVE Modified by [email protected]
Mar. 14, 2022
Action Type Old Value New Value Added Reference https://support.apple.com/kb/HT213183 [No Types Assigned] -
CVE Modified by [email protected]
Mar. 10, 2022
Action Type Old Value New Value Added Reference https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf [No Types Assigned] -
Modified Analysis by [email protected]
Nov. 28, 2021
Action Type Old Value New Value Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/APOAK4X73EJTAPTSVT7IRVDMUWVXNWGD/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/APOAK4X73EJTAPTSVT7IRVDMUWVXNWGD/ Mailing List, Third Party Advisory Changed Reference Type https://security.netapp.com/advisory/ntap-20211029-0003/ No Types Assigned https://security.netapp.com/advisory/ntap-20211029-0003/ Third Party Advisory Changed Reference Type https://www.oracle.com/security-alerts/cpuoct2021.html No Types Assigned https://www.oracle.com/security-alerts/cpuoct2021.html Patch, Third Party Advisory Changed CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* OR *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:* versions from (including) 5.7.0 up to (including) 5.7.35 *cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:* versions from (including) 8.0.0 up to (including) 8.0.26 Added CPE Configuration AND OR *cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:solidfire_baseboard_management_controller_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:solidfire_baseboard_management_controller:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Nov. 17, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/APOAK4X73EJTAPTSVT7IRVDMUWVXNWGD/ [No Types Assigned] -
CVE Modified by [email protected]
Nov. 10, 2021
Action Type Old Value New Value Removed Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/APOAK4X73EJTAPTSVT7IRVDMUWVXNWGD/ [No Types Assigned] -
CVE Modified by [email protected]
Nov. 03, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/APOAK4X73EJTAPTSVT7IRVDMUWVXNWGD/ [No Types Assigned] -
CVE Modified by [email protected]
Oct. 29, 2021
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20211029-0003/ [No Types Assigned] -
CVE Modified by [email protected]
Oct. 20, 2021
Action Type Old Value New Value Added Reference https://www.oracle.com/security-alerts/cpuoct2021.html [No Types Assigned] -
Reanalysis by [email protected]
Oct. 08, 2021
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:M/Au:N/C:P/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:H/I:N/A:H -
Initial Analysis by [email protected]
Oct. 06, 2021
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://hackerone.com/reports/1269242 No Types Assigned https://hackerone.com/reports/1269242 Exploit, Patch, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/RWLEC6YVEM2HWUBX67SDGPSY4CQB72OE/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/RWLEC6YVEM2HWUBX67SDGPSY4CQB72OE/ Third Party Advisory Added CWE NIST CWE-415 Added CPE Configuration OR *cpe:2.3:a:haxx:libcurl:*:*:*:*:*:*:*:* versions from (including) 7.73.0 up to (including) 7.78.0 Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Oct. 02, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/RWLEC6YVEM2HWUBX67SDGPSY4CQB72OE/ [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-2021-22945
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-2021-22945
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.69 }} 0.20%
score
0.80139
percentile