USN-4882-1

Source
https://ubuntu.com/security/notices/USN-4882-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/USN-4882-1.json
Related
Published
2021-03-18T17:00:33.243235Z
Modified
2021-03-18T17:00:33.243235Z
Summary
ruby2.3, ruby2.5, ruby2.7 vulnerabilities
Details

It was discovered that the Ruby JSON gem incorrectly handled certain JSON files. If a user or automated system were tricked into parsing a specially crafted JSON file, a remote attacker could use this issue to execute arbitrary code. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2020-10663)

It was discovered that Ruby incorrectly handled certain socket memory operations. A remote attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-10933)

It was discovered that Ruby incorrectly handled certain transfer-encoding headers when using Webrick. A remote attacker could possibly use this issue to bypass a reverse proxy. (CVE-2020-25613)

References

Affected packages

Ubuntu:20.04:LTS / ruby2.7

Package

Name
ruby2.7

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0The exact introduced commit is unknown
Fixed
2.7.0-5ubuntu1.3

Ecosystem specific 

{
    "availability": "No subscription needed",
    "binaries": [
        {
            "ruby2.7-doc": "2.7.0-5ubuntu1.3",
            "ruby2.7": "2.7.0-5ubuntu1.3",
            "libruby2.7": "2.7.0-5ubuntu1.3",
            "ruby2.7-dev": "2.7.0-5ubuntu1.3"
        }
    ]
}

Ubuntu:18.04:LTS / ruby2.5

Package

Name
ruby2.5

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0The exact introduced commit is unknown
Fixed
2.5.1-1ubuntu1.8

Ecosystem specific 

{
    "availability": "No subscription needed",
    "binaries": [
        {
            "ruby2.5": "2.5.1-1ubuntu1.8",
            "libruby2.5": "2.5.1-1ubuntu1.8",
            "ruby2.5-dev": "2.5.1-1ubuntu1.8",
            "ruby2.5-doc": "2.5.1-1ubuntu1.8"
        }
    ]
}

Ubuntu:16.04:LTS / ruby2.3

Package

Name
ruby2.3

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0The exact introduced commit is unknown
Fixed
2.3.1-2~ubuntu16.04.15

Ecosystem specific 

{
    "availability": "No subscription needed",
    "binaries": [
        {
            "ruby2.3-doc": "2.3.1-2~ubuntu16.04.15",
            "ruby2.3-dev": "2.3.1-2~ubuntu16.04.15",
            "ruby2.3-tcltk": "2.3.1-2~ubuntu16.04.15",
            "libruby2.3": "2.3.1-2~ubuntu16.04.15",
            "ruby2.3": "2.3.1-2~ubuntu16.04.15"
        }
    ]
}