CVE-2020-14039
MEDIUM severity · CVSS 5.3 · CWE-295
5.3CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactLow
Availability impactNone
Exploit probability (EPSS)0%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://www.oracle.com/security-alerts/cpuApr2021.html ↗
Additional information
- NVD record
- https://www.oracle.com/security-alerts/cpuApr2021.htmlPatch
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00077.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00082.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00029.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00030.htmlAdvisory
- https://groups.google.com/forum/#%21forum/golang-announce
- https://groups.google.com/forum/#%21topic/golang-announce/XZNfaiwgt2w
- https://security.netapp.com/advisory/ntap-20200731-0005/Advisory