#VU38144 Improper Certificate Validation in Go programming language


Published: 2017-10-05 | Updated: 2020-08-08

Vulnerability identifier: #VU38144

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-1000097

CWE-ID: CWE-295

Exploitation vector: Network

Exploit availability: No

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

Vendor: Google

Description

The vulnerability allows a remote non-authenticated attacker to manipulate data.

On Darwin, user's trust preferences for root certificates were not honored. If the user had a root certificate loaded in their Keychain that was explicitly not trusted, a Go program would still verify a connection using that root certificate.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Go programming language: 1.6.3, 1.7.3


External links
http://github.com/golang/go/issues/18141
http://go-review.googlesource.com/c/33721/
http://groups.google.com/forum/#!msg/golang-dev/4NdLzS8sls8/uIz8QlnIBQAJ


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.


Latest bulletins with this vulnerability