HTTP request smuggling in nodejs (Alpine package)

1) HTTP request smuggling

EUVDB-ID: #VU49253

Risk: Medium

CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2020-8287

CWE-ID: CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

Exploit availability: Yes

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 update from vendor's website.

Vulnerable software versions

nodejs (Alpine package): 10.13.0-r0 - 14.15.3-r2

CPE2.3

• cpe:2.3:o:alpine:nodejs_alpine_package:14.15.3-r2:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:nodejs_alpine_package:14.15.3-r1:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:nodejs_alpine_package:14.15.3-r0:*:*:*:*:alpine_linux:*:

External links

http://git.alpinelinux.org/aports/commit/?id=97995cafbeb95bb1545d2706c5d805e6a13c45c8
http://git.alpinelinux.org/aports/commit/?id=deb515d0160677910110097557d189afe1a7ec76

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. However, proof of concept for this vulnerability is available.