Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2019-19330 |
CWE-ID | CWE-93 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software |
haproxy (Debian package) Operating systems & Components / Operating system package or component |
Vendor | Debian |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU23084
Risk: Medium
CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2019-19330
CWE-ID:
CWE-93 - Improper Neutralization of CRLF Sequences ('CRLF Injection')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to insufficient validation of user-supplied input when processing CRLF and NUL character in the HTTP request, while converting headers from HTTP/2 to
HTTP/1. A remote attacker can send a specially crafted HTTP/2 request to the HAProxy and inject arbitrary HTTP headers. Successful exploitation of the vulnerability may allow an attacker to bypass certain security restrictions or perform spoofing attacks.
Update the affected package to version: 1.8.19-1+deb10u1.
Vulnerable software versionshaproxy (Debian package): 1.8.0-1 - 1.8.19-1
CPE2.3https://www.debian.org/security/2019/dsa-4577
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.