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CVE-2022-42916

Status Candidate

Overview

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.

Related Files

Apple Security Advisory 2023-01-23-5
Posted Jan 24, 2023
Authored by Apple | Site apple.com

Apple Security Advisory 2023-01-23-5 - macOS Monterey 12.6.3 addresses buffer overflow, bypass, code execution, and information leakage vulnerabilities.

tags | advisory, overflow, vulnerability, code execution
systems | apple
advisories | CVE-2022-32221, CVE-2022-32915, CVE-2022-35252, CVE-2022-35260, CVE-2022-42915, CVE-2022-42916, CVE-2023-23493, CVE-2023-23497, CVE-2023-23499, CVE-2023-23502, CVE-2023-23504, CVE-2023-23505, CVE-2023-23507, CVE-2023-23508
SHA-256 | 86dd9b786a0318174acd539801f6e3fe6a86591529277185d71eb7e9e3237c4d
Apple Security Advisory 2023-01-23-4
Posted Jan 24, 2023
Authored by Apple | Site apple.com

Apple Security Advisory 2023-01-23-4 - macOS Ventura 13.2 addresses buffer overflow, bypass, code execution, information leakage, and use-after-free vulnerabilities.

tags | advisory, overflow, vulnerability, code execution
systems | apple
advisories | CVE-2022-32221, CVE-2022-35260, CVE-2022-3705, CVE-2022-42915, CVE-2022-42916, CVE-2023-23493, CVE-2023-23496, CVE-2023-23497, CVE-2023-23498, CVE-2023-23499, CVE-2023-23500, CVE-2023-23501, CVE-2023-23502, CVE-2023-23503
SHA-256 | 0cd5bf89e176e4c213da4d53018a83b92e2203a6e71bf12d7a356eea1213909b
Ubuntu Security Notice USN-5702-1
Posted Oct 27, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5702-1 - Robby Simpson discovered that curl incorrectly handled certain POST operations after PUT operations. This issue could cause applications using curl to send the wrong data, perform incorrect memory operations, or crash. Hiroki Kurosawa discovered that curl incorrectly handled parsing .netrc files. If an attacker were able to provide a specially crafted .netrc file, this issue could cause curl to crash, resulting in a denial of service. This issue only affected Ubuntu 22.10.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2022-32221, CVE-2022-35260, CVE-2022-42915, CVE-2022-42916
SHA-256 | abce9130e44a5745556c40692b098b2f27521fb7fe9f2336f2ae1e79874e5e67
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