CVE-2017-2784

8.1 HIGH
Published: April 20, 2017 Modified: June 05, 2026
View on NVD

Description

An exploitable free of a stack pointer vulnerability exists in the x509 certificate parsing code of ARM mbed TLS before 1.3.19, 2.x before 2.1.7, and 2.4.x before 2.4.2. A specially crafted x509 certificate, when parsed by mbed TLS library, can cause an invalid free of a stack pointer leading to a potential remote code execution. In order to exploit this vulnerability, an attacker can act as either a client or a server on a network to deliver malicious x509 certificates to vulnerable applications.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.talosintelligence.com/reports/TALOS-2017-0274/
Source: talos-cna@cisco.com
Exploit Technical Description Third Party Advisory VDB Entry
http://www.talosintelligence.com/reports/TALOS-2017-0274/
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Technical Description Third Party Advisory VDB Entry
https://security.gentoo.org/glsa/201706-18
Source: af854a3a-2127-422b-91ae-364da2661108
https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2017-01
Source: af854a3a-2127-422b-91ae-364da2661108
Mitigation Vendor Advisory

6 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.1 / 10.0
EPSS (Exploit Probability)
3.4%
87th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

trustedfirmware