CVE-2021-22945

Published on: 09/23/2021 12:00:00 AM UTC

Last Modified on: 12/22/2022 08:21:00 PM UTC

CVE-2021-22945

Source: Mitre Source: NIST CVE.ORG Print: PDF PDF
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Certain versions of Macos from Apple contain the following vulnerability:

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*.

  • CVE-2021-22945 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as CRITICAL severity.

CVSS3 Score: 9.1 - CRITICAL

Attack
Vector ⓘ		 Attack
Complexity		 Privileges
Required		 User
Interaction
NETWORK LOW NONE NONE
Scope Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
UNCHANGED HIGH NONE HIGH

CVSS2 Score: 5.8 - MEDIUM

Access
Vector ⓘ		 Access
Complexity		 Authentication
NETWORK MEDIUM NONE
Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
PARTIAL NONE PARTIAL

CVE References

Description Tags ⓘ Link
HackerOne hackerone.com
text/html
 URL Logo MISC hackerone.com/reports/1269242
[SECURITY] Fedora 33 Update: curl-7.71.1-11.fc33 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
text/html
 URL Logo FEDORA FEDORA-2021-fc96a3a749
Full Disclosure: APPLE-SA-2022-03-14-4 macOS Monterey 12.3 seclists.org
text/html
 URL Logo FULLDISC 20220314 APPLE-SA-2022-03-14-4 macOS Monterey 12.3
[SECURITY] Fedora 35 Update: curl-7.79.1-1.fc35 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
text/html
 URL Logo FEDORA FEDORA-2021-1d24845e93
curl: Multiple Vulnerabilities (GLSA 202212-01) — Gentoo security security.gentoo.org
text/html
 URL Logo GENTOO GLSA-202212-01
September 2021 cURL/libcURL Vulnerabilities in NetApp Products | NetApp Product Security security.netapp.com
text/html
 URL Logo CONFIRM security.netapp.com/advisory/ntap-20211029-0003/
Oracle Critical Patch Update Advisory - October 2021 www.oracle.com
text/html
 URL Logo MISC www.oracle.com/security-alerts/cpuoct2021.html
cert-portal.siemens.com
application/pdf
 URL Logo CONFIRM cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
Debian -- Security Information -- DSA-5197-1 curl www.debian.org
Depreciated Link
text/html
 URL Logo DEBIAN DSA-5197
About the security content of macOS Monterey 12.3 - Apple Support (PH) support.apple.com
text/html
 URL Logo CONFIRM support.apple.com/kb/HT213183
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Related QID Numbers

  • 180909 Debian Security Update for curl (DSA 5197-1)
  • 198501 Ubuntu Security Notification for curl Vulnerabilities (USN-5079-1)
  • 281920 Fedora Security Update for curl (FEDORA-2021-c5584b92d4)
  • 281955 Fedora Security Update for curl (FEDORA-2021-fc96a3a749)
  • 296065 Oracle Solaris 11.4 Support Repository Update (SRU) 39.107.1 Missing (CPUOCT2021)
  • 353082 Amazon Linux Security Advisory for curl : ALAS2-2021-1724
  • 376485 Apple MacOS Monterey 12.3 Not Installed (HT213183)
  • 376968 NetApp Clustered Data Open Network Technology for Appliance Products (ONTAP) Disclosure of Sensitive Information Vulnerability (NTAP-20211029-0003)
  • 500137 Alpine Linux Security Update for curl
  • 690014 Free Berkeley Software Distribution (FreeBSD) Security Update for curl (c9221ec9-17a2-11ec-b335-d4c9ef517024)
  • 710693 Gentoo Linux curl Multiple Vulnerabilities (GLSA 202212-01)
  • 730371 McAfee Web Gateway Multiple Vulnerabilities (WP-3335,WP-4131,WP-4159,WP-4237,WP-4259,WP-4329,WP-4348,WP-4355,WP-4376,WP-4407,WP-4421)
  • 900339 Common Base Linux Mariner (CBL-Mariner) Security Update for curl (5940)
  • 901395 Common Base Linux Mariner (CBL-Mariner) Security Update for curl (6368-1)
  • 904921 Common Base Linux Mariner (CBL-Mariner) Security Update for cmake (12310)
  • 905106 Common Base Linux Mariner (CBL-Mariner) Security Update for cmake (12466)

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System		AppleMacosAllAllAllAll
Operating
System		DebianDebian Linux11.0AllAllAll
Operating
System		FedoraprojectFedora33AllAllAll
Operating
System		FedoraprojectFedora35AllAllAll
ApplicationHaxxLibcurlAllAllAllAll
ApplicationNetappCloud Backup-AllAllAll
ApplicationNetappClustered Data Ontap-AllAllAll
Hardware Device InfoNetappH300e-AllAllAll
Operating
System		NetappH300e Firmware-AllAllAll
Hardware Device InfoNetappH300s-AllAllAll
Operating
System		NetappH300s Firmware-AllAllAll
Hardware Device InfoNetappH410s-AllAllAll
Operating
System		NetappH410s Firmware-AllAllAll
Hardware Device InfoNetappH500e-AllAllAll
Operating
System		NetappH500e Firmware-AllAllAll
Hardware Device InfoNetappH500s-AllAllAll
Operating
System		NetappH500s Firmware-AllAllAll
Hardware Device InfoNetappH700e-AllAllAll
Operating
System		NetappH700e Firmware-AllAllAll
Hardware Device InfoNetappH700s-AllAllAll
Operating
System		NetappH700s Firmware-AllAllAll
Hardware Device InfoNetappSolidfire Baseboard Management Controller-AllAllAll
Operating
System		NetappSolidfire Baseboard Management Controller Firmware-AllAllAll
ApplicationOracleMysql ServerAllAllAllAll
ApplicationOracleMysql ServerAllAllAllAll
ApplicationSiemensSinec InsAllAllAllAll
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*:
  • cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*:
  • cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*:
  • cpe:2.3:a:haxx:libcurl:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*:
  • cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:solidfire_baseboard_management_controller:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:solidfire_baseboard_management_controller_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:siemens:sinec_ins:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @bagder CVE-2021-22945 (curl.se/docs/CVE-2021-…) is a stupid double-free in relatively new MQTT send code. Not a lot to say. 2021-09-15 06:28:21
Twitter Icon @omokazuki SIOSセキュリティブログを更新しました。 curlの複数の脆弱性情報(Medium: CVE-2021-22945, CVE-2021-22946, CVE-2021-22947 ) #sios_tech #security… twitter.com/i/web/status/1… 2021-09-15 18:02:00
Twitter Icon @OpenBSD_ports [email protected] changed net/curl: net/curl: security update to 7.79.0 Includes fixes for CVE-2021-22945: UAF and double-free… twitter.com/i/web/status/1… 2021-09-17 21:55:25
Twitter Icon @OpenBSD_ports OPENBSD_6_9 [email protected] changed net/curl: net/curl: security update to 7.79.0 Includes fixes for CVE-2021-22945: UAF and… twitter.com/i/web/status/1… 2021-09-17 21:55:25
Twitter Icon @OpenBSD_stable OPENBSD_6_9 [email protected] changed net/curl: net/curl: security update to 7.79.0 Includes fixes for CVE-2021-22945: UAF and… twitter.com/i/web/status/1… 2021-09-17 21:55:25
Twitter Icon @CVEreport CVE-2021-22945 : When sending data to an MQTT server, libcurl <= 7.73.0 and 7.78.0 could in some circumstances erro… twitter.com/i/web/status/1… 2021-09-23 13:05:56
Reddit Logo Icon /r/k12cybersecurity MS-ISAC CYBERSECURITY ADVISORY - Multiple Vulnerabilities in Apple Products Could Allow for Arbitrary Code Execution - PATCH: NOW 2022-03-15 13:18:46
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