Resource exhaustion in nodejs (Alpine package)

1) Resource exhaustion

EUVDB-ID: #VU20199

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-9518

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper validation of user-supplied input within the HTTP.sys driver when processing HTTP/2 requests. A remote attacker can send specially crafted HTTP packets to the affected system trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

nodejs (Alpine package): 10.16.0-r0 - 10.16.2-r0

CPE2.3

• cpe:2.3:o:alpine:nodejs_alpine_package:10.16.1-r0:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:nodejs_alpine_package:10.16.0-r0:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:nodejs_alpine_package:10.16.2-r0:*:*:*:*:alpine_linux:*:

External links

http://git.alpinelinux.org/aports/commit/?id=578c97338a5cc6615df123d2759ef349dbf88c2c
http://git.alpinelinux.org/aports/commit/?id=75cc679dead3d9b8aebb82a11c1f81a4eaaab853
http://git.alpinelinux.org/aports/commit/?id=7149c919df587e3f9125fdac8bc2ccd4952027e3

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.