CVE-2016-2337
Published: 6 January 2017
Type confusion exists in _cancel_eval Ruby's TclTkIp class method. Attacker passing different type of object than String as "retval" argument can cause arbitrary code execution.
Notes
Author | Note |
---|---|
mdeslaur | 2.3.0 and later not affected |
Priority
Status
Package | Release | Status |
---|---|---|
ruby1.8 Launchpad, Ubuntu, Debian |
precise |
Ignored
(end of life)
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
|
yakkety |
Does not exist
|
|
zesty |
Does not exist
|
|
ruby1.9.1 Launchpad, Ubuntu, Debian |
precise |
Ignored
(end of life)
|
trusty |
Released
(1.9.3.484-2ubuntu1.3)
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
|
yakkety |
Does not exist
|
|
zesty |
Does not exist
|
|
Patches: upstream: https://github.com/ruby/ruby/commit/a2b8925a94a672235ca6a16e584bf09026a957ab |
||
ruby2.0 Launchpad, Ubuntu, Debian |
precise |
Does not exist
|
trusty |
Released
(2.0.0.484-1ubuntu2.4)
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
|
yakkety |
Does not exist
|
|
zesty |
Does not exist
|
|
ruby2.3 Launchpad, Ubuntu, Debian |
precise |
Does not exist
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Not vulnerable
(2.3.1-2~16.04)
|
|
yakkety |
Not vulnerable
(2.3.1-5build2)
|
|
zesty |
Not vulnerable
(2.3.3-1)
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 9.8 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |