CVE-2017-2784
8.1
HIGH
CVSS 3.1
EPSS 0.69%
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.
How to fix CVE-2017-2784
To remediate CVE-2017-2784, upgrade the affected package to a fixed version below.
- —upgrade to 2.4.2-r0 or later
- —upgrade to 2.4.2-1 or later
Is CVE-2017-2784 being exploited?
Low — EPSS is 0.7%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.4.2-r0
- from 0, < 2.4.2-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.1 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |