Resource management error in nodejs (Alpine package)

1) Resource management error

EUVDB-ID: #VU50954

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-2021-22883

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

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

The vulnerability exists due to improper management of internal resources within the application when processing multiple connection attempts with an 'unknownProtocol'. A remote attacker can initiate multiple connections with the server, which will trigger a leak of file descriptors and result in a denial of service (DoS) condition.

Mitigation

Install update from vendor's website.

Vulnerable software versions

nodejs (Alpine package): 10.13.0-r0 - 14.15.5-r0

External links

http://git.alpinelinux.org/aports/commit/?id=7a9647537833ec55d8ea0d947873965e175eda9d
http://git.alpinelinux.org/aports/commit/?id=b7f1df7d1931d59c3500ccfa15fc61c94c8a78f5
http://git.alpinelinux.org/aports/commit/?id=12e2d4bc3143ec726d2977843944b870ec72b671
http://git.alpinelinux.org/aports/commit/?id=8b10ecbd5f5904ce3ac3cdaa08a6e3736516b92b
http://git.alpinelinux.org/aports/commit/?id=5bcf64ec3dbba3e15d08fcd817a7173a8c631cca
http://git.alpinelinux.org/aports/commit/?id=90d22a24cc0fdbe8e7ce05109fbf3bf697f02021

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.