HIGH 7.5 Microsoft

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.

Microsoft Security Update 2022-Oct: 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.

Affected Products

References

Published: 2022-10-11 · Source: Microsoft · Feed updated: 2026-09-03
This high severity vulnerability with a CVSS score of 7.5 was published on 2022-10-11 via Microsoft. Affected: azl3 tensorflow 2.11.1-1 on Azure Linux 3.0, cm1 curl 7.86.0-1 on CBL Mariner 1.0, cbl2 curl 7.86.0-1 on CBL Mariner 2.0 and 1 more.
vulnfeed aggregates 9119 vulnerabilities from NVD, CISA KEV, Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.