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Vulnerability Details : CVE-2019-19330

The HTTP/2 implementation in HAProxy before 2.0.10 mishandles headers, as demonstrated by carriage return (CR, ASCII 0xd), line feed (LF, ASCII 0xa), and the zero character (NUL, ASCII 0x0), aka Intermediary Encapsulation Attacks.
Publish Date : 2019-11-27 Last Update Date : 2020-04-01
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- CVSS Scores & Vulnerability Types

CVSS Score
7.5
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 74

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2020:1725: haproxy security, bug fix, and enhancement update (Moderate) oval:com.redhat.rhsa:def:20201725 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2019-19330

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 18.04 * * * Version Details Vulnerabilities
2 OS Canonical Ubuntu Linux 19.04 * * * Version Details Vulnerabilities
3 OS Canonical Ubuntu Linux 19.10 * * * Version Details Vulnerabilities
4 OS Debian Debian Linux 10.0 * * * Version Details Vulnerabilities
5 Application Haproxy Haproxy * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 3
Debian Debian Linux 1
Haproxy Haproxy 1

- References For CVE-2019-19330

https://seclists.org/bugtraq/2019/Nov/45
BUGTRAQ 20191128 [SECURITY] [DSA 4577-1] haproxy security update
https://usn.ubuntu.com/4212-1/
UBUNTU USN-4212-1
https://www.debian.org/security/2019/dsa-4577
DEBIAN DSA-4577
https://tools.ietf.org/html/rfc7540#section-10.3
https://git.haproxy.org/?p=haproxy.git;a=commit;h=54f53ef7ce4102be596130b44c768d1818570344
https://git.haproxy.org/?p=haproxy.git;a=commit;h=146f53ae7e97dbfe496d0445c2802dd0a30b0878
https://git.haproxy.org/?p=haproxy-2.0.git;a=commit;h=ac198b92d461515551b95daae20954b3053ce87e
https://security.gentoo.org/glsa/202004-01
GENTOO GLSA-202004-01

- Metasploit Modules Related To CVE-2019-19330

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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