CVE-2017-9023
Published: 30 May 2017
The ASN.1 parser in strongSwan before 5.5.3 improperly handles CHOICE types when the x509 plugin is enabled, which allows remote attackers to cause a denial of service (infinite loop) via a crafted certificate.
Priority
Status
Package | Release | Status |
---|---|---|
strongswan Launchpad, Ubuntu, Debian |
trusty |
Released
(5.1.2-0ubuntu2.6)
|
upstream |
Needs triage
|
|
xenial |
Released
(5.3.5-1ubuntu3.3)
|
|
yakkety |
Released
(5.3.5-1ubuntu4.3)
|
|
zesty |
Released
(5.5.1-1ubuntu3.1)
|
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 |