Improper input validation in nodejs (Alpine package)

1) Improper input validation

EUVDB-ID: #VU13379

Risk: Low

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-2018-7167

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can supply Calling Buffer.fill() or Buffer.alloc() with some parameters and cause the server to hang.

Mitigation

Install update from vendor's website.

Vulnerable software versions

nodejs (Alpine package): 6.2.0-r0 - 8.11.2-r0

CPE2.3

• cpe:2.3:o:alpine:nodejs_alpine_package:8.9.4-r0:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:nodejs_alpine_package:8.11.1-r0:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:nodejs_alpine_package:8.11.0-r1:*:*:*:*:alpine_linux:*:

External links

http://git.alpinelinux.org/aports/commit/?id=92947a81c0654add42b67742a3d44a6e6fa5720e
http://git.alpinelinux.org/aports/commit/?id=ac65e68608103c3c2f02485f153bf92beff3db46

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.