CVE-2020-14039
Aliases:GO-2021-0223BIT-golang-2020-14039
Advisory lineage Upstream: 0 Downstream: 9
Modified
Published: 17 Jul 2020, 15:43
Last modified:04 Aug 2024, 12:32
Vulnerability Summary
Overall Risk (default)
low
21/100 CVSS Score
5.3 MEDIUM
v3.1 (nvd)
EPSS Score
0.43% LOW
0% probability +0.02%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
17 Jul 2020, 15:43
Published
Vulnerability first disclosed
04 Aug 2024, 12:32
Last Modified
Vulnerability information updated
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.
CVSS Metrics
- v3.1•MEDIUM•Score: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:N/I:P/A:N
EPSS Trends
Current EPSS score: 0.43%• Percentile: 63%
Techniques & Countermeasures
- CWE-295•Improper Certificate Validation
The product does not validate, or incorrectly validates, a certificate.
Affected Systems
- golang•go
< 1.13.13 | ≥ 1.14.0, < 1.14.5
- Go•stdlib
≥ 1.14.0-0, < 1.14.5
- opensuse•leap
15.1 | 15.2
References (12)
- https://groups.google.com/forum/#%21forum/golang-announce
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00077.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00082.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00029.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00030.html
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://groups.google.com/forum/#%21topic/golang-announce/XZNfaiwgt2w
- https://security.netapp.com/advisory/ntap-20200731-0005/
- https://go.dev/cl/242597
- https://go.googlesource.com/go/+/82175e699a2e2cd83d3aa34949e9b922d66d52f5
- https://go.dev/issue/39360
- https://groups.google.com/g/golang-announce/c/XZNfaiwgt2w