Bugzilla – Bug 1222950
VUL-0: CVE-2024-1135: python-gunicorn: HTTP Request Smuggling
Last modified: 2024-06-20 10:20:03 UTC
Gunicorn fails to properly validate Transfer-Encoding headers, leading to HTTP Request Smuggling (HRS) vulnerabilities. By crafting requests with conflicting Transfer-Encoding headers, attackers can bypass security restrictions and access restricted endpoints. This issue is due to Gunicorn's handling of Transfer-Encoding headers, where it incorrectly processes requests with multiple, conflicting Transfer-Encoding headers, treating them as chunked regardless of the final encoding specified. This vulnerability allows for a range of attacks including cache poisoning, session manipulation, and data exposure. References: http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-1135 https://www.cve.org/CVERecord?id=CVE-2024-1135 https://huntr.com/bounties/22158e34-cfd5-41ad-97e0-a780773d96c1
Fix (released in 22.0.0): https://github.com/benoitc/gunicorn/commit/ac29c9b0a758d21f1e0fb3b3457239e523fa9f1d All codestreams look affected: - SUSE:ALP:Source:Standard:1.0 - SUSE:SLE-12-SP4:Update:Products:Cloud9:Update - SUSE:SLE-15-SP4:Update - SUSE:SLE-15:Update - openSUSE:Factory
SUSE-SU-2024:1440-1: An update that solves one vulnerability can now be installed. Category: security (important) Bug References: 1222950 CVE References: CVE-2024-1135 Maintenance Incident: [SUSE:Maintenance:33444](https://smelt.suse.de/incident/33444/) Sources used: SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (src): python-gunicorn-20.1.0-150400.12.6.1 SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (src): python-gunicorn-20.1.0-150400.12.6.1 SUSE Linux Enterprise Desktop 15 SP4 LTSS 15-SP4 (src): python-gunicorn-20.1.0-150400.12.6.1 SUSE Linux Enterprise Server 15 SP4 LTSS 15-SP4 (src): python-gunicorn-20.1.0-150400.12.6.1 SUSE Linux Enterprise Server for SAP Applications 15 SP4 (src): python-gunicorn-20.1.0-150400.12.6.1 openSUSE Leap 15.4 (src): python-gunicorn-20.1.0-150400.12.6.1, python-gunicorn-test-20.1.0-150400.12.6.1 openSUSE Leap 15.5 (src): python-gunicorn-20.1.0-150400.12.6.1 Python 3 Module 15-SP5 (src): python-gunicorn-20.1.0-150400.12.6.1 NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.