CVE-2022-43551

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Summary

CVECVE-2022-43551
StatePUBLISHED
Assignerhackerone
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-12-23 15:15:15 UTC
Updated2026-10-14 19:16:53 UTC
DescriptionA vulnerability exists in curl <7.87.0 HSTS check that could be bypassed to trick it to keep using HTTP. Using its HSTS support, curl can be instructed to use HTTPS instead of using an insecure clear-text HTTP step even when HTTP is provided in the URL. However, the HSTS mechanism could be bypassed if the host name in the given URL first uses IDN characters that get replaced to ASCII counterparts as part of the IDN conversion. Like using the character UTF-8 U+3002 (IDEOGRAPHIC FULL STOP) instead of the common ASCII full stop (U+002E) `.`. Then in a subsequent request, it does not detect the HSTS state and makes a clear text transfer. Because it would store the info IDN encoded but look for it IDN decoded.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Problem Types: CWE-319 | CWE-319 Cleartext Transmission of Sensitive Information (CWE-319)

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1ADPDECLARED7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Fedoraproject Fedora 37 All All All
Application Haxx Curl All All All All
Application Netapp Active Iq Unified Manager - All All All
Application Netapp Active Iq Unified Manager - All All All
Application Netapp Oncommand Insight - All All All
Application Netapp Oncommand Workflow Automation - All All All
Application Netapp Snapcenter - All All All
Application Splunk Universal Forwarder All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na Https//github.com/curl/curl affected Fixed in curl 7.87.0 Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified

References

ReferenceSourceLinkTags
cert-portal.siemens.com/productcert/html/ssa-398330.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
HackerOne af854a3a-2127-422b-91ae-364da2661108 hackerone.com Exploit, Third Party Advisory
cert-portal.siemens.com/productcert/html/ssa-892048.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
April 2023 MySQL Server Vulnerabilities in NetApp Products | NetApp Product Security af854a3a-2127-422b-91ae-364da2661108 security.netapp.com Third Party Advisory
[SECURITY] Fedora 37 Update: curl-7.85.0-5.fc37 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org Mailing List, Third Party Advisory
curl: Multiple Vulnerabilities (GLSA 202310-12) — Gentoo security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org Third Party Advisory
[SECURITY] Fedora 37 Update: curl-7.85.0-5.fc37 - package-announce - Fedora Mailing-Lists MITRE lists.fedoraproject.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 183851 Debian Security Update for curl (CVE-2022-43551)
  • 199085 Ubuntu Security Notification for curl Vulnerabilities (USN-5788-1)
  • 20344 Oracle MySQL April 2023 Critical Patch Update (CPUAPR2023)
  • 241574 Red Hat Update for JBoss Core Services (RHSA-2023:3354)
  • 283558 Fedora Security Update for curl (FEDORA-2022-d7ee33d4ad)
  • 283562 Fedora Security Update for curl (FEDORA-2022-9836111c44)
  • 296101 Oracle Solaris 11.4 Support Repository Update (SRU) 59.138.2 Missing (CPUJUL2023)
  • 330140 IBM AIX Multiple Vulnerabilities due to curl (curl_advisory2)
  • 354700 Amazon Linux Security Advisory for curl : ALAS2022-2023-276
  • 354731 Amazon Linux Security Advisory for curl : ALAS2-2023-1924
  • 355207 Amazon Linux Security Advisory for curl : ALAS2023-2023-083
  • 378092 NetApp Clustered Data Open Network Technology for Appliance Products (ONTAP) Disclosure of Sensitive Information Vulnerability (NTAP-20230214-0002)
  • 378189 Apple macOS Ventura 13.3 Not Installed (HT213670)
  • 378433 Oracle Hypertext Transfer Protocol Server (HTTP Server) Server Multiple Vulnerabilities (CPUAPR2023)
  • 378599 Splunk Enterprise Third Party Package Updates for June (SVD-2023-0613)
  • 378883 Splunk Enterprise August Third Party Package Updates (SVD-2023-0808)
  • 502614 Alpine Linux Security Update for curl
  • 502615 Alpine Linux Security Update for curl
  • 502616 Alpine Linux Security Update for curl
  • 502718 Alpine Linux Security Update for curl
  • 672836 EulerOS Security Update for curl (EulerOS-SA-2023-1571)
  • 672845 EulerOS Security Update for curl (EulerOS-SA-2023-1581)
  • 710772 Gentoo Linux curl Multiple Vulnerabilities (GLSA 202310-12)
  • 753056 SUSE Enterprise Linux Security Update for curl (SUSE-SU-2022:4597-1)
  • 904785 Common Base Linux Mariner (CBL-Mariner) Security Update for curl (12114)
  • 904790 Common Base Linux Mariner (CBL-Mariner) Security Update for curl (12107-1)
  • 904939 Common Base Linux Mariner (CBL-Mariner) Security Update for cmake (12315)
  • 905070 Common Base Linux Mariner (CBL-Mariner) Security Update for cmake (12471)
  • 905215 Common Base Linux Mariner (CBL-Mariner) Security Update for cmake (12905)
  • 905232 Common Base Linux Mariner (CBL-Mariner) Security Update for cmake (12930)
  • 905339 Common Base Linux Mariner (CBL-Mariner) Security Update for curl (12114-1)
  • 905488 Common Base Linux Mariner (CBL-Mariner) Security Update for cmake (12905-1)
  • 905528 Common Base Linux Mariner (CBL-Mariner) Security Update for cmake (12930-1)

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