UBUNTU-CVE-2018-1000520

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Source

https://ubuntu.com/security/CVE-2018-1000520

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-1000520.json

JSON Data

https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2018-1000520

Related

CVE-2018-1000520

Published

2018-06-26T16:29:00Z

Modified

2025-04-23T15:04:43Z

Severity

7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS Calculator

Summary

[none]

Details

ARM mbedTLS version 2.7.0 and earlier contains a Ciphersuite Allows Incorrectly Signed Certificates vulnerability in mbedtlssslgetverifyresult() that can result in ECDSA-signed certificates are accepted, when only RSA-signed ones should be.. This attack appear to be exploitable via Peers negotiate a TLS-ECDH-RSA-* ciphersuite. Any of the peers can then provide an ECDSA-signed certificate, when only an RSA-signed one should be accepted..

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

{
    "ubuntu_priority": "low"
}

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

{
    "ubuntu_priority": "low"
}

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

{
    "ubuntu_priority": "low"
}

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

{
    "ubuntu_priority": "low"
}

Ubuntu:24.10 / mbedtls

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.28.8-1

Ecosystem specific

{
    "ubuntu_priority": "low"
}

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

{
    "ubuntu_priority": "low"
}

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

{
    "ubuntu_priority": "low"
}