CVE-2017-14032
Published: 30 August 2017
ARM mbed TLS before 1.3.21 and 2.x before 2.1.9, if optional authentication is configured, allows remote attackers to bypass peer authentication via an X.509 certificate chain with many intermediates. NOTE: although mbed TLS was formerly known as PolarSSL, the releases shipped with the PolarSSL name are not affected.
Priority
Status
Package | Release | Status |
---|---|---|
mbedtls Launchpad, Ubuntu, Debian |
upstream |
Released
(2.6.0-1)
|
precise |
Does not exist
|
|
trusty |
Does not exist
|
|
xenial |
Released
(2.2.1-2ubuntu0.2)
|
|
zesty |
Released
(2.4.2-1ubuntu0.1)
|
|
polarssl Launchpad, Ubuntu, Debian |
upstream |
Needs triage
|
precise |
Does not exist
|
|
trusty |
Does not exist
(trusty was not-affected)
|
|
xenial |
Does not exist
|
|
zesty |
Does not exist
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 8.1 |
Attack vector | Network |
Attack complexity | High |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14032
- https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2017-02
- https://github.com/ARMmbed/mbedtls/commit/31458a18788b0cf0b722acda9bb2f2fe13a3fb32
- https://github.com/ARMmbed/mbedtls/commit/d15795acd5074e0b44e71f7ede8bdfe1b48591fc
- https://bugs.debian.org/873557
- NVD
- Launchpad
- Debian