CVE-2017-18187

CRITICAL

ARM mbed TLS < 2.7.0 - Integer Overflow in PSK Identity Parsing

Title source: llm
STIX 2.1

Description

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

References (7)

Core 7
Core References
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2018/dsa-4147
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2018/dsa-4138
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201804-19
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/103055
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4267-1/

Scores

CVSS v3 9.8
EPSS 0.0056
EPSS Percentile 68.6%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-190
Status published
Products (3)
arm/mbed_tls < 2.7.0
debian/debian_linux 8.0
debian/debian_linux 9.0
Published Feb 14, 2018
Tracked Since Feb 18, 2026