UBUNTU-CVE-2020-10941

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Source
https://ubuntu.com/security/CVE-2020-10941
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-10941.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-10941
Upstream
Published
2020-03-24T20:15:00Z
Modified
2025-09-08T16:46:03Z
Severity
  • 5.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Arm Mbed TLS before 2.16.5 allows attackers to obtain sensitive information (an RSA private key) by measuring cache usage during an import.

References

Affected packages

Ubuntu:Pro:16.04:LTS / mbedtls

Package

Name
mbedtls
Purl
pkg:deb/ubuntu/mbedtls@2.2.1-2ubuntu0.3?arch=source&distro=esm-apps/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:Pro:18.04:LTS / mbedtls

Package

Name
mbedtls
Purl
pkg:deb/ubuntu/mbedtls@2.8.0-1?arch=source&distro=esm-apps/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:Pro:20.04:LTS / mbedtls

Package

Name
mbedtls
Purl
pkg:deb/ubuntu/mbedtls@2.16.4-1ubuntu2?arch=source&distro=esm-apps/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"
        }
    ]
}