Use-after-free in nodejs (Alpine package)

1) Use-after-free

EUVDB-ID: #VU49254

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-8265

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a DoS attack..

The vulnerability exists due to a use-after-free error in TLSWrap within the TLS implementation. A remote attacker can send specially crafted data to the service and perform a denial of service (DoS) attack.

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:10.13.0-r0:*:*:*:*:alpine_linux:*:3.8
• cpe:2.3:o:alpine:nodejs_alpine_package:10.14.0-r0:*:*:*:*:alpine_linux:*:3.8
• cpe:2.3:o:alpine:nodejs_alpine_package:10.14.1-r0:*:*:*:*:alpine_linux:*:3.8

External links

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