CVE-2017-6181
Published: 3 April 2017
The parse_char_class function in regparse.c in the Onigmo (aka Oniguruma-mod) regular expression library, as used in Ruby 2.4.0, allows remote attackers to cause a denial of service (deep recursion and application crash) via a crafted regular expression.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
ruby1.8 Launchpad, Ubuntu, Debian |
precise |
Not vulnerable
(code not present)
|
| trusty |
Does not exist
|
|
| upstream |
Not vulnerable
|
|
| xenial |
Does not exist
|
|
| yakkety |
Does not exist
|
|
|
ruby1.9.1 Launchpad, Ubuntu, Debian |
precise |
Not vulnerable
|
| trusty |
Does not exist
(trusty was not-affected [np is initialized])
|
|
| upstream |
Not vulnerable
|
|
| xenial |
Does not exist
|
|
| yakkety |
Does not exist
|
|
|
ruby2.0 Launchpad, Ubuntu, Debian |
precise |
Does not exist
|
| trusty |
Does not exist
(trusty was not-affected [np is initialized])
|
|
| upstream |
Not vulnerable
|
|
| xenial |
Does not exist
|
|
| yakkety |
Does not exist
|
|
|
ruby2.3 Launchpad, Ubuntu, Debian |
precise |
Does not exist
|
| trusty |
Does not exist
|
|
| upstream |
Not vulnerable
|
|
| xenial |
Not vulnerable
|
|
| yakkety |
Not vulnerable
|
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 |