CVE-2016-3959
Published: May 23, 2016Last modified: November 9, 2023
Description
The Verify function in crypto/dsa/dsa.go in Go before 1.5.4 and 1.6.x before 1.6.1 does not properly check parameters passed to the big integer library, which might allow remote attackers to cause a denial of service (infinite loop) via a crafted public key to a program that uses HTTPS client certificates or SSH server libraries.
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.fedoraproject.org/pipermail/package-announce/2016-April/182526.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183106.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183137.html
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00077.html
- http://rhn.redhat.com/errata/RHSA-2016-1538.html
- http://www.openwall.com/lists/oss-security/2016/04/05/1
- http://www.openwall.com/lists/oss-security/2016/04/05/2
- https://go-review.googlesource.com/#/c/21533/
- https://groups.google.com/forum/#%21topic/golang-announce/9eqIHqaWvck