CVE Vulnerability

CVE-2022-42916

In curl before 7.86.0, the HSTS check could be bypassed to trick it into staying with HTTP. Using its HSTS support, curl can be instructed to use HTTPS directly (instead of using an insecure cleartext HTTP step) even when HTTP is provided in the URL. This mechanism could be bypassed if the host name in the given URL uses IDN characters that get replaced with ASCII counterparts as part of the IDN conversion, e.g., using the character UTF-8 U+3002 (IDEOGRAPHIC FULL STOP) instead of the common ASCII full stop of U+002E (.). The earliest affected version is 7.77.0 2021-05-26.

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://curl.se/docs/CVE-2022-42916.html Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HVU3IMZCKR4VE6KJ4GCWRL2ILLC6OV76/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Q27V5YYMXUVI6PRZQVECON32XPVWTKDK/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/37YEVVC6NAF6H7UHH6YAUY5QEVY6LIH2/ Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20221209-0010/ Broken Link
https://security.gentoo.org/glsa/202212-01 Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/12/21/1 Third Party Advisory
https://support.apple.com/kb/HT213604 Third Party Advisory
https://support.apple.com/kb/HT213605 Third Party Advisory
http://seclists.org/fulldisclosure/2023/Jan/19 Third Party Advisory
http://seclists.org/fulldisclosure/2023/Jan/20 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Information

Published : 2022-10-29 02:15

Updated : 2023-02-10 04:04

NVD link : CVE-2022-42916

Mitre link : CVE-2022-42916

Products Affected

Curl

Haxx

CWE
CWE-319

Cleartext Transmission of Sensitive Information