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Vulnerability Details : CVE-2021-22945

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*.
Publish Date : 2021-09-23 Last Update Date : 2021-11-28
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- CVSS Scores & Vulnerability Types

CVSS Score
5.8
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 415

- Products Affected By CVE-2021-22945

# Product Type Vendor Product Version Update Edition Language
1 OS Fedoraproject Fedora 33 * * * Version Details Vulnerabilities
2 OS Fedoraproject Fedora 35 * * * Version Details Vulnerabilities
3 Application Haxx Libcurl * * * * Version Details Vulnerabilities
4 Application Netapp Clustered Data Ontap - * * * Version Details Vulnerabilities
5 Application Oracle Mysql Server * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Fedoraproject Fedora 2
Haxx Libcurl 1
Netapp Clustered Data Ontap 1
Oracle Mysql Server 1

- References For CVE-2021-22945

https://lists.fedoraproject.org/archives/list/[email protected]/message/APOAK4X73EJTAPTSVT7IRVDMUWVXNWGD/
FEDORA FEDORA-2021-1d24845e93
https://hackerone.com/reports/1269242
https://www.oracle.com/security-alerts/cpuoct2021.html
https://security.netapp.com/advisory/ntap-20211029-0003/ CONFIRM
https://lists.fedoraproject.org/archives/list/[email protected]/message/RWLEC6YVEM2HWUBX67SDGPSY4CQB72OE/
FEDORA FEDORA-2021-fc96a3a749

- Vulnerability Conditions

Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0

- Metasploit Modules Related To CVE-2021-22945

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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