Amazon Linux 2 Security Advisory: ALASHAPROXY2-2023-007
Advisory Release Date: 2023-09-06 19:00 Pacific
Advisory Updated Date: 2023-09-25 22:11 Pacific
HAProxy through 2.0.32, 2.1.x and 2.2.x through 2.2.30, 2.3.x and 2.4.x through 2.4.23, 2.5.x and 2.6.x before 2.6.15, 2.7.x before 2.7.10, and 2.8.x before 2.8.2 forwards empty Content-Length headers, violating RFC 9110 section 8.6. In uncommon cases, an HTTP/1 server behind HAProxy may interpret the payload as an extra request. (CVE-2023-40225)
Affected Packages:
haproxy2
Note:
This advisory is applicable to Amazon Linux 2 - Haproxy2 Extra. Visit this page to learn more about Amazon Linux 2 (AL2) Extras and this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update haproxy2 to update your system.
aarch64:
haproxy2-2.2.17-1.amzn2.0.7.aarch64
haproxy2-debuginfo-2.2.17-1.amzn2.0.7.aarch64
i686:
haproxy2-2.2.17-1.amzn2.0.7.i686
haproxy2-debuginfo-2.2.17-1.amzn2.0.7.i686
src:
haproxy2-2.2.17-1.amzn2.0.7.src
x86_64:
haproxy2-2.2.17-1.amzn2.0.7.x86_64
haproxy2-debuginfo-2.2.17-1.amzn2.0.7.x86_64