Vulnerability identifier: #VU50047

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-3114

CWE-ID: CWE-682

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Go programming language
Universal components / Libraries / Scripting languages

Vendor: Google

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to incorrect calculation performed by the application in "crypto/elliptic/p224.go". A remote attacker can generate incorrect outputs, related to an underflow of the lowest limb during the final complete reduction in the P-224 field.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Go programming language: 1.14.1 - 1.14.13, 1.15 - 1.15.6

---

External links
http://github.com/golang/go/commit/d95ca9138026cbe40e0857d76a81a16d03230871
http://groups.google.com/g/golang-announce/c/mperVMGa98w

---

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.