Improper input validation in Golang Go
CVE-2018-16875
The crypto/x509 package of Go before 1.10.6 and 1.11.x before 1.11.3 does not limit the amount of work performed for each chain verification, which might allow attackers to craft pathological inputs leading to a CPU denial of service. Go TLS servers accepting client certificates and TLS clients are affected.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.063 (92.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Golang Go
- [Unknown] Golang — versions 1.11.3, 1.10.6
- Opensuse Leap — versions 42.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, Mitigation, x_refsource_GENTOO)
- secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (x_refsource_MISC)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_SUSE)
- secalert@redhat.com (vendor-advisory, x_refsource_SUSE)
- secalert@redhat.com (vendor-advisory, x_refsource_SUSE)
- secalert@redhat.com (vendor-advisory, x_refsource_SUSE)
- secalert@redhat.com (vendor-advisory, x_refsource_SUSE)
Frequently asked questions
- What is CVE-2018-16875?
- CVE-2018-16875 is a medium-severity vulnerability in Golang Go, classified under Improper Input Validation. CVSS score: 5.9/10. Published 2018-12-14.
- How severe is CVE-2018-16875?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2018-16875 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.