CVE-2018-16875
Published: December 14, 2018Last modified: November 9, 2023
Description
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | go | Not affected (1.19.9-r1) |
| Stream | go | Not affected (1.21.0-r2) |
References
- http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00044.html
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00060.html
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00011.html
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00015.html
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00010.html
- http://www.securityfocus.com/bid/106230
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16875
- https://groups.google.com/forum/?pli=1#%21topic/golang-announce/Kw31K8G7Fi0
- https://security.gentoo.org/glsa/201812-09