Buffer overflow in nodejs (Alpine package)

1) Buffer overflow

EUVDB-ID: #VU28539

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-8174

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within napi_get_value_string_latin1(), napi_get_value_string_utf8(), or napi_get_value_string_utf16() functions. A remote attacker can create a specially crafted data to the application, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

nodejs (Alpine package): 4.3.0-r0 - 12.17.0-r0

CPE2.3

• cpe:2.3:o:alpine:nodejs_alpine_package:4.3.0-r0:*:*:*:*:alpine_linux:*:3.3
• cpe:2.3:o:alpine:nodejs_alpine_package:4.3.2-r0:*:*:*:*:alpine_linux:*:3.3
• cpe:2.3:o:alpine:nodejs_alpine_package:4.3.2-r1:*:*:*:*:alpine_linux:*:3.3

External links

https://git.alpinelinux.org/aports/commit/?id=b4b2a5e4822d8b01e62e3be2645d38bf78c806a6
https://git.alpinelinux.org/aports/commit/?id=7a14910d75ec00b49c3119f87badd6075099bbfa
https://git.alpinelinux.org/aports/commit/?id=198d3bb2cd989d9883c042a284d830fb32d5029b
https://git.alpinelinux.org/aports/commit/?id=0069a8448e7c867901988a4f689e09128bad72c0

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.