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CVE-2017-2784

HIGH
Published 2017-04-20T18:00:00
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CVSS Score

V3.0
8.1
/10
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.042
probability
of exploitation in the wild

There is a 4.2% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.882
Higher than 88.2% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

ARM

mbed TLS

Affected Versions:

2.4.0

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-5wj7-rhf5-hqx4

Advisory Details

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.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2017-2784
WEB https://security.gentoo.org/glsa/201706-18
WEB https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2017-01
WEB http://www.talosintelligence.com/reports/TALOS-2017-0274

Advisory provided by GitHub Security Advisory Database. Published: May 13, 2022, Modified: April 20, 2025

References

https://security.gentoo.org/glsa/201706-18
http://www.talosintelligence.com/reports/TALOS-2017-0274/
https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2017-01
Published: 2017-04-20T18:00:00
Last Modified: 2024-08-05T14:02:07.676Z
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