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CVE-2023-29197

Status Candidate

Overview

guzzlehttp/psr7 is a PSR-7 HTTP message library implementation in PHP. Affected versions are subject to improper header parsing. An attacker could sneak in a newline (\n) into both the header names and values. While the specification states that \r\n\r\n is used to terminate the header list, many servers in the wild will also accept \n\n. This is a follow-up to CVE-2022-24775 where the fix was incomplete. The issue has been patched in versions 1.9.1 and 2.4.5. There are no known workarounds for this vulnerability. Users are advised to upgrade.

Related Files

Ubuntu Security Notice USN-6671-1
Posted Mar 1, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6671-1 - It was discovered that php-nyholm-psr7 incorrectly parsed HTTP headers. A remote attacker could possibly use this issue to perform an HTTP header injection attack.

tags | advisory, remote, web, php
systems | linux, ubuntu
advisories | CVE-2023-29197
SHA-256 | 27772bf11ba58e6506ed22ecdca799a5cc5144ec12da1e50691c8a33285fc90d
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