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CVE-2018-25091

Status Candidate

Overview

urllib3 before 1.24.2 does not remove the authorization HTTP header when following a cross-origin redirect (i.e., a redirect that differs in host, port, or scheme). This can allow for credentials in the authorization header to be exposed to unintended hosts or transmitted in cleartext. NOTE: this issue exists because of an incomplete fix for CVE-2018-20060 (which was case-sensitive).

Related Files

Ubuntu Security Notice USN-6473-2
Posted Nov 15, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6473-2 - USN-6473-1 fixed vulnerabilities in urllib3. This update provides the corresponding updates for the urllib3 module bundled into pip. It was discovered that urllib3 didn't strip HTTP Authorization header on cross-origin redirects. A remote attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.

tags | advisory, remote, web, vulnerability
systems | linux, ubuntu
advisories | CVE-2018-25091, CVE-2023-43804, CVE-2023-45803
SHA-256 | 31f113322b019e54154cd30f2be05b8d4ca103f178cbdd5efa89e9a2ef3e0838
Ubuntu Security Notice USN-6473-1
Posted Nov 13, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6473-1 - It was discovered that urllib3 didn't strip HTTP Authorization header on cross-origin redirects. A remote attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. It was discovered that urllib3 didn't strip HTTP Cookie header on cross-origin redirects. A remote attacker could possibly use this issue to obtain sensitive information.

tags | advisory, remote, web
systems | linux, ubuntu
advisories | CVE-2018-25091, CVE-2023-43804, CVE-2023-45803
SHA-256 | 01c8788f56d352f691cc6e76bb162b2e9e247c8c99c3c08204defa5099ea0fa8
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