Vulnerability identifier: #VU61798
Vulnerability risk: Medium
CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-444
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Puma
Server applications /
Web servers
Vendor: Evan Phoenix
Description
The vulnerability allows a remote attacker to preform HTTP request smuggling attacks.
The vulnerability exists due to improper validation of HTTP requests. A remote attacker can send a specially crafted HTTP request to the server and smuggle arbitrary HTTP headers.
Successful exploitation of vulnerability may allow an attacker to poison HTTP cache and perform phishing attacks.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Puma: 4.3.0 - 4.3.11, 5.6.0 - 5.6.3
External links
http://github.com/puma/puma/commit/5bb7d202e24dec00a898dca4aa11db391d7787a5
http://github.com/puma/puma/security/advisories/GHSA-h99w-9q5r-gjq9
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.