USN-5020-1

See a problem?
Source
https://ubuntu.com/security/notices/USN-5020-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5020-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-5020-1
Related
Published
2021-07-21T14:20:02.022630Z
Modified
2021-07-21T14:20:02.022630Z
Summary
ruby2.3, ruby2.5, ruby2.7 vulnerabilities
Details

It was discovered that Ruby incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. (CVE-2021-31799)

It was discovered that Ruby incorrectly handled certain inputs. An attacker could possibly use this issue to conduct port scans and service banner extractions. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 20.10, and Ubuntu 21.04. (CVE-2021-31810)

It was discovered that Ruby incorrectly handled certain inputs. An attacker could possibly use this issue to perform machine-in-the-middle attackers to bypass the TLS protection. (CVE-2021-32066)

References

Affected packages

Ubuntu:Pro:16.04:LTS / ruby2.3

Package

Name
ruby2.3
Purl
pkg:deb/ubuntu/ruby2.3@2.3.1-2~ubuntu16.04.16+esm1?arch=src?distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.3.1-2~ubuntu16.04.16+esm1

Affected versions

2.*

2.3.0-1
2.3.0-2
2.3.0-4ubuntu2
2.3.0-4ubuntu3
2.3.0-5ubuntu1
2.3.1-2~16.04
2.3.1-2~16.04.2
2.3.1-2~16.04.4
2.3.1-2~16.04.5
2.3.1-2~16.04.6
2.3.1-2~16.04.7
2.3.1-2~16.04.9
2.3.1-2~16.04.10
2.3.1-2~16.04.11
2.3.1-2~16.04.12
2.3.1-2~ubuntu16.04.13
2.3.1-2~ubuntu16.04.14
2.3.1-2~ubuntu16.04.15
2.3.1-2~ubuntu16.04.16

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "libruby2.3-dbgsym": "2.3.1-2~ubuntu16.04.16+esm1",
            "ruby2.3-tcltk": "2.3.1-2~ubuntu16.04.16+esm1",
            "ruby2.3-dev-dbgsym": "2.3.1-2~ubuntu16.04.16+esm1",
            "libruby2.3-dbg": "2.3.1-2~ubuntu16.04.16+esm1",
            "ruby2.3-dev": "2.3.1-2~ubuntu16.04.16+esm1",
            "ruby2.3-dbgsym": "2.3.1-2~ubuntu16.04.16+esm1",
            "libruby2.3": "2.3.1-2~ubuntu16.04.16+esm1",
            "ruby2.3-tcltk-dbgsym": "2.3.1-2~ubuntu16.04.16+esm1",
            "ruby2.3": "2.3.1-2~ubuntu16.04.16+esm1",
            "ruby2.3-doc": "2.3.1-2~ubuntu16.04.16+esm1"
        }
    ]
}

Ubuntu:18.04:LTS / ruby2.5

Package

Name
ruby2.5
Purl
pkg:deb/ubuntu/ruby2.5@2.5.1-1ubuntu1.10?arch=src?distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.5.1-1ubuntu1.10

Affected versions

2.*

2.5.0~preview1-1ubuntu2
2.5.0-4ubuntu1
2.5.0-4ubuntu4
2.5.0-5ubuntu1
2.5.0-6ubuntu1
2.5.1-1ubuntu1
2.5.1-1ubuntu1.1
2.5.1-1ubuntu1.2
2.5.1-1ubuntu1.4
2.5.1-1ubuntu1.5
2.5.1-1ubuntu1.6
2.5.1-1ubuntu1.7
2.5.1-1ubuntu1.8
2.5.1-1ubuntu1.9

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "ruby2.5": "2.5.1-1ubuntu1.10",
            "ruby2.5-dbgsym": "2.5.1-1ubuntu1.10",
            "libruby2.5": "2.5.1-1ubuntu1.10",
            "libruby2.5-dbgsym": "2.5.1-1ubuntu1.10",
            "ruby2.5-dev": "2.5.1-1ubuntu1.10",
            "ruby2.5-doc": "2.5.1-1ubuntu1.10"
        }
    ]
}

Ubuntu:20.04:LTS / ruby2.7

Package

Name
ruby2.7
Purl
pkg:deb/ubuntu/ruby2.7@2.7.0-5ubuntu1.5?arch=src?distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.7.0-5ubuntu1.5

Affected versions

2.*

2.7.0-1
2.7.0-2
2.7.0-3
2.7.0-4
2.7.0-4ubuntu1
2.7.0-5ubuntu1
2.7.0-5ubuntu1.1
2.7.0-5ubuntu1.2
2.7.0-5ubuntu1.3
2.7.0-5ubuntu1.4

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "ruby2.7-doc": "2.7.0-5ubuntu1.5",
            "ruby2.7-dbgsym": "2.7.0-5ubuntu1.5",
            "ruby2.7": "2.7.0-5ubuntu1.5",
            "libruby2.7": "2.7.0-5ubuntu1.5",
            "libruby2.7-dbgsym": "2.7.0-5ubuntu1.5",
            "ruby2.7-dev": "2.7.0-5ubuntu1.5"
        }
    ]
}