Vulnerability · Published Jul 17, 2020 · Assigned by mitre
CVE-2020-14039
Medium 5.3
In plain English
A medium-severity security flaw in the stdlib package (Go). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 78% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.3Medium
Exploit odds (30 days)1.8%top 21.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
In Go before 1.13.13 and 1.14.x before 1.14.5, Certificate.Verify may lack a check on the VerifyOptions.KeyUsages EKU requirements (if VerifyOptions.Roots equals nil and the installation is on Windows). Thus, X.509 certificate verification is incomplete.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | stdlib | 1.13.13, 1.14.5 | GO-2021-0223 |
Affected products (as reported)
References
- https://groups.google.com/forum/#%21forum/golang-announce x_refsource_MISC
- openSUSE-SU-2020:1087 vendor-advisory, x_refsource_SUSE
- openSUSE-SU-2020:1095 vendor-advisory, x_refsource_SUSE
- openSUSE-SU-2020:1405 vendor-advisory, x_refsource_SUSE
- openSUSE-SU-2020:1407 vendor-advisory, x_refsource_SUSE
- https://www.oracle.com/security-alerts/cpuApr2021.html x_refsource_MISC
- https://groups.google.com/forum/#%21topic/golang-announce/XZNfaiwgt2w x_refsource_CONFIRM
- https://security.netapp.com/advisory/ntap-20200731-0005/ x_refsource_CONFIRM