UBUNTU-CVE-2016-2337

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Source
https://ubuntu.com/security/CVE-2016-2337
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-2337.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2016-2337
Upstream
Downstream
Related
Published
2017-01-06T00:00:00Z
Modified
2025-09-08T16:43:38Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - negligible
Summary
[none]
Details

Type confusion exists in canceleval Ruby's TclTkIp class method. Attacker passing different type of object than String as "retval" argument can cause arbitrary code execution.

References

Affected packages

Ubuntu:14.04:LTS / ruby1.9.1

Package

Name
ruby1.9.1
Purl
pkg:deb/ubuntu/ruby1.9.1@1.9.3.484-2ubuntu1.3?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.9.3.484-2ubuntu1.3

Affected versions

1.*

1.9.3.194-8.1ubuntu2
1.9.3.448-1ubuntu1
1.9.3.448-1ubuntu2
1.9.3.484-1ubuntu1
1.9.3.484-1ubuntu2
1.9.3.484-2ubuntu1
1.9.3.484-2ubuntu1.1
1.9.3.484-2ubuntu1.2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1.9.3.484-2ubuntu1.3",
            "binary_name": "libruby1.9.1"
        },
        {
            "binary_version": "1.9.3.484-2ubuntu1.3",
            "binary_name": "libtcltk-ruby1.9.1"
        },
        {
            "binary_version": "1.9.3.484-2ubuntu1.3",
            "binary_name": "ri1.9.1"
        },
        {
            "binary_version": "1.9.3.484-2ubuntu1.3",
            "binary_name": "ruby1.9.1"
        },
        {
            "binary_version": "1.9.3.484-2ubuntu1.3",
            "binary_name": "ruby1.9.1-dev"
        },
        {
            "binary_version": "1.9.3.484-2ubuntu1.3",
            "binary_name": "ruby1.9.1-examples"
        },
        {
            "binary_version": "1.9.3.484-2ubuntu1.3",
            "binary_name": "ruby1.9.1-full"
        },
        {
            "binary_version": "1.9.3.484-2ubuntu1.3",
            "binary_name": "ruby1.9.3"
        }
    ]
}

Ubuntu:14.04:LTS / ruby2.0

Package

Name
ruby2.0
Purl
pkg:deb/ubuntu/ruby2.0@2.0.0.484-1ubuntu2.4?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.0.0.484-1ubuntu2.4

Affected versions

2.*

2.0.0.299-2
2.0.0.343-1
2.0.0.343-1ubuntu1
2.0.0.353-1
2.0.0.353-1ubuntu1
2.0.0.484-1ubuntu1
2.0.0.484-1ubuntu2
2.0.0.484-1ubuntu2.1
2.0.0.484-1ubuntu2.2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.0.0.484-1ubuntu2.4",
            "binary_name": "libruby2.0"
        },
        {
            "binary_version": "2.0.0.484-1ubuntu2.4",
            "binary_name": "ruby2.0"
        },
        {
            "binary_version": "2.0.0.484-1ubuntu2.4",
            "binary_name": "ruby2.0-dev"
        },
        {
            "binary_version": "2.0.0.484-1ubuntu2.4",
            "binary_name": "ruby2.0-tcltk"
        }
    ]
}