Vulnerability identifier: #VU62036
Vulnerability risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-252
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 perform a denial of service (DoS) attack.
The vulnerability exists due to unchecked return value within the Curve.IsOnCurve() function in crypto/elliptic. A remote attacker can force the application to incorrectly return true in situations with a big.Int value that is not a valid field element. As a result, an attacker can modify application flow, which can lead to unauthorized data modification or denial of service.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Go programming language: 1.17 - 1.17.6, 1.16 - 1.16.13
External links
http://groups.google.com/g/golang-announce/c/SUsQn0aSgPQ
http://security.netapp.com/advisory/ntap-20220225-0006/
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.