Executive Summary

Informations
Name CVE-2021-22947 First vendor Publication 2021-09-29
Vendor Cve Last vendor Modification 2024-03-27

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Overall CVSS Score 5.9
Base Score 5.9 Environmental Score 5.9
impact SubScore 3.6 Temporal Score 5.9
Exploitabality Sub Score 2.2
 
Attack Vector Network Attack Complexity High
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact High Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:N/I:P/A:N)
Cvss Base Score 4.3 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

When curl >= 7.20.0 and <= 7.78.0 connects to an IMAP or POP3 server to retrieve data using STARTTLS to upgrade to TLS security, the server can respond and send back multiple responses at once that curl caches. curl would then upgrade to TLS but not flush the in-queue of cached responses but instead continue using and trustingthe responses it got *before* the TLS handshake as if they were authenticated.Using this flaw, it allows a Man-In-The-Middle attacker to first inject the fake responses, then pass-through the TLS traffic from the legitimate server and trick curl into sending data back to the user thinking the attacker's injected data comes from the TLS-protected server.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22947

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-345 Insufficient Verification of Data Authenticity

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Application 157
Application 1
Application 1
Application 1
Application 2
Application 1
Application 1
Application 4
Application 1
Application 1
Application 1
Application 2
Application 3
Application 2
Application 2
Os 29
Os 3
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/1334763
https://www.oracle.com/security-alerts/cpuapr2022.html
https://www.oracle.com/security-alerts/cpujan2022.html
https://www.oracle.com/security-alerts/cpuoct2021.html
MLIST https://lists.debian.org/debian-lts-announce/2021/09/msg00022.html
https://lists.debian.org/debian-lts-announce/2022/08/msg00017.html
N/A https://www.oracle.com/security-alerts/cpujul2022.html

Alert History

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Date Informations
2024-03-27 17:28:07
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2022-12-19 09:27:29
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2022-07-26 00:29:44
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2022-06-04 01:57:59
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2022-02-21 01:52:39
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2022-02-07 21:23:11
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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 09:23:25
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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 09:22:55
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2021-10-02 09:22:52
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2021-10-01 09:23:26
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2021-09-30 00:22:53
  • First insertion