UBUNTU-CVE-2017-18187

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Source
https://ubuntu.com/security/CVE-2017-18187
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-18187.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2017-18187
Upstream
Downstream
Related
Published
2018-02-14T17:29:00Z
Modified
2025-07-16T08:20:59.882307Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

In ARM mbed TLS before 2.7.0, there is a bounds-check bypass through an integer overflow in PSK identity parsing in the sslparseclientpskidentity() function in library/ssl_srv.c.

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
Fixed
2.2.1-2ubuntu0.3

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

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libmbedcrypto0",
            "binary_version": "2.2.1-2ubuntu0.3"
        },
        {
            "binary_name": "libmbedcrypto0-dbgsym",
            "binary_version": "2.2.1-2ubuntu0.3"
        },
        {
            "binary_name": "libmbedtls-dev",
            "binary_version": "2.2.1-2ubuntu0.3"
        },
        {
            "binary_name": "libmbedtls-doc",
            "binary_version": "2.2.1-2ubuntu0.3"
        },
        {
            "binary_name": "libmbedtls10",
            "binary_version": "2.2.1-2ubuntu0.3"
        },
        {
            "binary_name": "libmbedtls10-dbgsym",
            "binary_version": "2.2.1-2ubuntu0.3"
        },
        {
            "binary_name": "libmbedx509-0",
            "binary_version": "2.2.1-2ubuntu0.3"
        },
        {
            "binary_name": "libmbedx509-0-dbgsym",
            "binary_version": "2.2.1-2ubuntu0.3"
        }
    ]
}

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
Fixed
2.8.0-1

Affected versions

2.*

2.5.1-1ubuntu1
2.6.0-1
2.7.0-2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libmbedcrypto1",
            "binary_version": "2.8.0-1"
        },
        {
            "binary_name": "libmbedcrypto1-dbgsym",
            "binary_version": "2.8.0-1"
        },
        {
            "binary_name": "libmbedtls-dev",
            "binary_version": "2.8.0-1"
        },
        {
            "binary_name": "libmbedtls-doc",
            "binary_version": "2.8.0-1"
        },
        {
            "binary_name": "libmbedtls10",
            "binary_version": "2.8.0-1"
        },
        {
            "binary_name": "libmbedtls10-dbgsym",
            "binary_version": "2.8.0-1"
        },
        {
            "binary_name": "libmbedx509-0",
            "binary_version": "2.8.0-1"
        },
        {
            "binary_name": "libmbedx509-0-dbgsym",
            "binary_version": "2.8.0-1"
        }
    ]
}