UBUNTU-CVE-2021-24119

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Source
https://ubuntu.com/security/CVE-2021-24119
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-24119.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2021-24119
Upstream
Published
2021-07-14T13:15:00Z
Modified
2025-10-24T04:50:10Z
Severity
  • 4.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

In Trusted Firmware Mbed TLS 2.24.0, a side-channel vulnerability in base64 PEM file decoding allows system-level (administrator) attackers to obtain information about secret RSA keys via a controlled-channel and side-channel attack on software running in isolated environments that can be single stepped, especially Intel SGX.

References

Affected packages

Ubuntu:16.04:LTS

mbedtls

Package

Name
mbedtls
Purl
pkg:deb/ubuntu/mbedtls@2.2.1-2ubuntu0.3?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.1.2-1
2.2.0-1
2.2.1-1
2.2.1-2
2.2.1-2ubuntu0.1
2.2.1-2ubuntu0.2
2.2.1-2ubuntu0.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.2.1-2ubuntu0.3",
            "binary_name": "libmbedcrypto0"
        },
        {
            "binary_version": "2.2.1-2ubuntu0.3",
            "binary_name": "libmbedtls-dev"
        },
        {
            "binary_version": "2.2.1-2ubuntu0.3",
            "binary_name": "libmbedtls10"
        },
        {
            "binary_version": "2.2.1-2ubuntu0.3",
            "binary_name": "libmbedx509-0"
        }
    ]
}

Ubuntu:18.04:LTS

mbedtls

Package

Name
mbedtls
Purl
pkg:deb/ubuntu/mbedtls@2.8.0-1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.5.1-1ubuntu1
2.6.0-1
2.7.0-2
2.8.0-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.8.0-1",
            "binary_name": "libmbedcrypto1"
        },
        {
            "binary_version": "2.8.0-1",
            "binary_name": "libmbedtls-dev"
        },
        {
            "binary_version": "2.8.0-1",
            "binary_name": "libmbedtls10"
        },
        {
            "binary_version": "2.8.0-1",
            "binary_name": "libmbedx509-0"
        }
    ]
}

Ubuntu:20.04:LTS

mbedtls

Package

Name
mbedtls
Purl
pkg:deb/ubuntu/mbedtls@2.16.4-1ubuntu2?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.16.2-1
2.16.3-1
2.16.4-1ubuntu2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.16.4-1ubuntu2",
            "binary_name": "libmbedcrypto3"
        },
        {
            "binary_version": "2.16.4-1ubuntu2",
            "binary_name": "libmbedtls-dev"
        },
        {
            "binary_version": "2.16.4-1ubuntu2",
            "binary_name": "libmbedtls12"
        },
        {
            "binary_version": "2.16.4-1ubuntu2",
            "binary_name": "libmbedx509-0"
        }
    ]
}

Ubuntu:22.04:LTS

mbedtls

Package

Name
mbedtls
Purl
pkg:deb/ubuntu/mbedtls@2.28.0-1build1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.16.9-0.1ubuntu1
2.16.11-0.1ubuntu1
2.16.11-0.3
2.28.0-1
2.28.0-1build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.28.0-1build1",
            "binary_name": "libmbedcrypto7"
        },
        {
            "binary_version": "2.28.0-1build1",
            "binary_name": "libmbedtls-dev"
        },
        {
            "binary_version": "2.28.0-1build1",
            "binary_name": "libmbedtls14"
        },
        {
            "binary_version": "2.28.0-1build1",
            "binary_name": "libmbedx509-1"
        }
    ]
}

Ubuntu:24.04:LTS

mbedtls

Package

Name
mbedtls
Purl
pkg:deb/ubuntu/mbedtls@2.28.8-1?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.28.3-1
2.28.6-1ubuntu1
2.28.7-1ubuntu1
2.28.7-1.1ubuntu1
2.28.8-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.28.8-1",
            "binary_name": "libmbedcrypto7t64"
        },
        {
            "binary_version": "2.28.8-1",
            "binary_name": "libmbedtls-dev"
        },
        {
            "binary_version": "2.28.8-1",
            "binary_name": "libmbedtls14t64"
        },
        {
            "binary_version": "2.28.8-1",
            "binary_name": "libmbedx509-1t64"
        }
    ]
}

Ubuntu:25.04

mbedtls

Package

Name
mbedtls
Purl
pkg:deb/ubuntu/mbedtls@3.6.2-3ubuntu1?arch=source&distro=plucky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.28.8-1

3.*

3.6.2-1ubuntu4
3.6.2-2ubuntu1
3.6.2-3ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.6.2-3ubuntu1",
            "binary_name": "libmbedcrypto16"
        },
        {
            "binary_version": "3.6.2-3ubuntu1",
            "binary_name": "libmbedtls-dev"
        },
        {
            "binary_version": "3.6.2-3ubuntu1",
            "binary_name": "libmbedtls21"
        },
        {
            "binary_version": "3.6.2-3ubuntu1",
            "binary_name": "libmbedx509-7"
        }
    ]
}

Ubuntu:25.10

mbedtls

Package

Name
mbedtls
Purl
pkg:deb/ubuntu/mbedtls@3.6.2-3ubuntu1?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.6.2-3ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.6.2-3ubuntu1",
            "binary_name": "libmbedcrypto16"
        },
        {
            "binary_version": "3.6.2-3ubuntu1",
            "binary_name": "libmbedtls-dev"
        },
        {
            "binary_version": "3.6.2-3ubuntu1",
            "binary_name": "libmbedtls21"
        },
        {
            "binary_version": "3.6.2-3ubuntu1",
            "binary_name": "libmbedx509-7"
        }
    ]
}