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CVE-2022-42915

Status Candidate

Overview

curl before 7.86.0 has a double free. If curl is told to use an HTTP proxy for a transfer with a non-HTTP(S) URL, it sets up the connection to the remote server by issuing a CONNECT request to the proxy, and then tunnels the rest of the protocol through. An HTTP proxy might refuse this request (HTTP proxies often only allow outgoing connections to specific port numbers, like 443 for HTTPS) and instead return a non-200 status code to the client. Due to flaws in the error/cleanup handling, this could trigger a double free in curl if one of the following schemes were used in the URL for the transfer: dict, gopher, gophers, ldap, ldaps, rtmp, rtmps, or telnet. The earliest affected version is 7.77.0.

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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