SB2020031611 - Improper Certificate Validation in GOland Go fro del
Published: March 16, 2020 Updated: July 13, 2020
Security Bulletin ID
SB2020031611
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Certificate Validation (CVE-ID: CVE-2020-7919)
CWE-ID: CWE-295 - Improper Certificate Validation
CVSSv4: 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
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
Go before 1.12.16 and 1.13.x before 1.13.7 (and the crypto/cryptobyte package before 0.0.0-20200124225646-8b5121be2f68 for Go) allows attacks on clients (resulting in a panic) via a malformed X.509 certificate.
Remediation
Install update from vendor's website.
References
- https://groups.google.com/forum/#!forum/golang-announce
- https://groups.google.com/forum/#!topic/golang-announce/Hsw4mHYc470
- https://groups.google.com/forum/#!topic/golang-announce/-sdUB4VEQkA
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/S43VLYRURELDWX4D5RFOYBNFGO6CGBBC/
- https://security.netapp.com/advisory/ntap-20200327-0001/