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*.

CVSS v3 9.1 CRITICAL
CVSS v2.0 5.8 MEDIUM

9.1^/10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.8^/10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:P/I:N/A:P

Exploitability : 8.6 / Impact : 4.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	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

Configurations

Configuration 1 (hide)

cpe:2.3:a:haxx:libcurl:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:33:::::::*
	cpe:2.3:o:fedoraproject:fedora:35:::::::*

Configuration 3 (hide)

OR	cpe:2.3:a:netapp:cloud_backup:-:::::::*
	cpe:2.3:a:netapp:clustered_data_ontap:-:::::::*

Configuration 4 (hide)

OR	cpe:2.3:a:oracle:mysql_server::::::::
	cpe:2.3:a:oracle:mysql_server::::::::

Configuration 5 (hide)

AND

cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND

cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND

cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*

Configuration 8 (hide)

AND

cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*

Configuration 9 (hide)

AND

cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:*

Configuration 10 (hide)

AND

cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:*

Configuration 11 (hide)

AND

cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*

Configuration 12 (hide)

AND

cpe:2.3:o:netapp:solidfire_baseboard_management_controller_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:solidfire_baseboard_management_controller:-:*:*:*:*:*:*:*

Configuration 13 (hide)

cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

Configuration 14 (hide)

cpe:2.3:a:siemens:sinec_ins:*:*:*:*:*:*:*:*

Configuration 15 (hide)

cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

Configuration 16 (hide)

OR	cpe:2.3:a:splunk:universal_forwarder::::::::
	cpe:2.3:a:splunk:universal_forwarder::::::::
	cpe:2.3:a:splunk:universal_forwarder:9.1.0:::::::*

History

No history.

Information

Published : 2021-09-23 13:15

Updated : 2024-03-27 15:04

NVD link : CVE-2021-22945

Mitre link : CVE-2021-22945

CVE.ORG link : CVE-2021-22945

JSON object : View

Products Affected

netapp

h500e_firmware
h300e
h410s
cloud_backup
clustered_data_ontap
h700e
h700s_firmware
h700e_firmware
h300s_firmware
h500s
solidfire_baseboard_management_controller_firmware
h300s
h700s
h300e_firmware
h500e
h410s_firmware
solidfire_baseboard_management_controller
h500s_firmware

siemens

sinec_ins

fedoraproject

fedora

oracle

mysql_server

splunk

universal_forwarder

apple

macos

haxx

libcurl

debian

debian_linux

CWE

CWE-415

Double Free

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"NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 3.9}]}, "published": "2021-09-23T13:15:08.690", "references": [{"url": "http://seclists.org/fulldisclosure/2022/Mar/29", "tags": ["Mailing List", "Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf", "tags": ["Patch", "Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://hackerone.com/reports/1269242", "tags": ["Exploit", "Patch", "Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/APOAK4X73EJTAPTSVT7IRVDMUWVXNWGD/", "tags": ["Mailing List", "Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RWLEC6YVEM2HWUBX67SDGPSY4CQB72OE/", "tags": ["Mailing List", "Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://security.gentoo.org/glsa/202212-01", "tags": ["Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://security.netapp.com/advisory/ntap-20211029-0003/", "tags": ["Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://support.apple.com/kb/HT213183", "tags": ["Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://www.debian.org/security/2022/dsa-5197", "tags": ["Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://www.oracle.com/security-alerts/cpuoct2021.html", "tags": ["Patch", "Third Party Advisory"], "source": "support@hackerone.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-415"}]}, {"type": "Secondary", "source": "support@hackerone.com", "description": [{"lang": "en", "value": "CWE-415"}]}], "descriptions": [{"lang": "en", "value": "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*."}, {"lang": "es", "value": "Cuando se env\u00edan datos a un servidor MQTT, libcurl versiones anteriores a 7.73.0, incluy\u00e9ndola y 7.78.0, podr\u00eda en algunas circunstancias, mantener err\u00f3neamente un puntero a un \u00e1rea de memoria ya liberada y usarlo de nuevo en una llamada posterior para enviar datos y tambi\u00e9n liberarlo *de nuevo*"}], "lastModified": "2024-03-27T15:04:30.460", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:haxx:libcurl:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9F299899-24BA-432D-818D-32546C576E9B", "versionEndIncluding": "7.78.0", "versionStartIncluding": "7.73.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": 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9.1 /10

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.8 /10

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact PARTIAL

JSON object

Attach tags to CVE-2021-22945

9.1^/10

5.8^/10

Attach tags to `CVE-2021-22945`