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haproxy: HTTP/2 implementation vulnerable to intermediary encapsulation attacks

🗓️ 28 Apr 2020 15:37:42Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 1 Views

HAProxy HTTP/2 before 2.0.10 mishandles headers, enabling encapsulation attacks via CRLF and NUL.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: Multiple Security Vulnerabilities were identified in IBM Security Verify Access.
9 Jan 202420:27
–ibm
IBM Security Bulletins		Security Bulletin: HAProxy vulnerability CVE-2019-19330 impacts IBM Aspera High-Speed Transfer Server and Aspera High-Speed Transfer Endpoint versions prior to V4.0
10 Dec 202023:19
–ibm
AlpineLinux		CVE-2019-19330
27 Nov 201915:53
–alpinelinux
BDU FSTEC		The vulnerability of the server software HAProxy arises from improper handling of HTTP headers during the conversion from HTTP/2 to HTTP/1. This allows attackers to access sensitive data, compromise its integrity, and cause service failures.
13 May 202000:00
–bdu_fstec
Tenable Nessus		CentOS 8 : haproxy (CESA-2020:1725)
1 Feb 202100:00
–nessus
Tenable Nessus		Debian DSA-4577-1 : haproxy - security update
3 Dec 201900:00
–nessus
Tenable Nessus		EulerOS 2.0 SP8 : haproxy (EulerOS-SA-2020-1805)
30 Jul 202000:00
–nessus
Tenable Nessus		EulerOS Virtualization for ARM 64 3.0.6.0 : haproxy (EulerOS-SA-2020-1904)
28 Aug 202000:00
–nessus
Tenable Nessus		GLSA-202004-01 : HAProxy: Remote execution of arbitrary code
2 Apr 202000:00
–nessus
Tenable Nessus		MiracleLinux 8 : haproxy-1.8.23-3.el8 (AXSA:2020-267:02)
20 Jan 202600:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8aarch64haproxy0:1.8.23-3.el8haproxy-0:1.8.23-3.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lehaproxy0:1.8.23-3.el8haproxy-0:1.8.23-3.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xhaproxy0:1.8.23-3.el8haproxy-0:1.8.23-3.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64haproxy0:1.8.23-3.el8haproxy-0:1.8.23-3.el8.x86_64.rpm
Red Hat Enterprise Linux8aarch64haproxy-debuginfo0:1.8.23-3.el8haproxy-debuginfo-0:1.8.23-3.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lehaproxy-debuginfo0:1.8.23-3.el8haproxy-debuginfo-0:1.8.23-3.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xhaproxy-debuginfo0:1.8.23-3.el8haproxy-debuginfo-0:1.8.23-3.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64haproxy-debuginfo0:1.8.23-3.el8haproxy-debuginfo-0:1.8.23-3.el8.x86_64.rpm
Red Hat Enterprise Linux8aarch64haproxy-debugsource0:1.8.23-3.el8haproxy-debugsource-0:1.8.23-3.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lehaproxy-debugsource0:1.8.23-3.el8haproxy-debugsource-0:1.8.23-3.el8.ppc64le.rpm
Rows per page

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28 Jun 2026 12:33Current
5.8Medium risk
Vulners AI Score5.8
CVSS 27.5
CVSS 3.19.8
EPSS0.03955
CWE-20
haproxyweb protocol twointermediary encapsulationcarriage returnnull character
1