Executive Summary

Informations
Name CVE-2021-22945 First vendor Publication 2021-09-23
Vendor Cve Last vendor Modification 2024-03-27

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Overall CVSS Score 9.1
Base Score 9.1 Environmental Score 9.1
impact SubScore 5.2 Temporal Score 9.1
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:P/I:N/A:P)
Cvss Base Score 5.8 Attack Range Network
Cvss Impact Score 4.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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*.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22945

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-415 Double Free

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Application 143
Application 1
Application 1
Application 2
Application 6
Application 2
Os 29
Os 1
Os 2

Sources (Detail)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
Source Url
CONFIRM https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
https://security.netapp.com/advisory/ntap-20211029-0003/
https://support.apple.com/kb/HT213183
DEBIAN https://www.debian.org/security/2022/dsa-5197
FULLDISC http://seclists.org/fulldisclosure/2022/Mar/29
GENTOO https://security.gentoo.org/glsa/202212-01
MISC https://hackerone.com/reports/1269242
https://www.oracle.com/security-alerts/cpuoct2021.html

Alert History

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Date Informations
2024-03-27 17:28:07
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2023-12-15 13:10:11
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2023-11-07 21:33:55
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2023-08-23 02:08:31
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2023-08-06 01:21:52
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2023-08-04 13:12:32
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2023-07-14 13:12:33
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2023-07-14 01:22:03
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2023-03-29 02:14:53
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2023-03-28 12:22:17
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2023-01-14 12:58:11
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2022-12-23 00:27:30
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2022-12-19 09:27:29
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2022-11-15 01:55:03
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2022-11-03 12:59:16
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2022-10-29 01:55:03
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2022-09-14 02:02:23
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2022-08-09 09:27:27
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2022-08-02 09:27:37
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2022-06-04 01:57:58
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2022-04-15 21:23:16
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2022-03-15 13:23:17
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2022-03-14 21:23:17
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2022-03-10 21:23:21
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2022-02-21 01:52:39
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2021-11-29 05:23:06
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2021-11-18 05:23:09
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2021-11-10 09:23:27
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2021-11-03 09:23:26
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2021-10-29 17:23:07
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2021-10-20 17:23:07
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2021-10-08 21:23:26
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2021-10-06 17:22:56
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2021-10-02 09:22:54
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2021-09-23 17:22:52
  • First insertion