CVE-2017-18187

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.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://www.securityfocus.com/bid/103055	Third Party Advisory VDB Entry
https://github.com/ARMmbed/mbedtls/blob/master/ChangeLog	Third Party Advisory
https://github.com/ARMmbed/mbedtls/commit/83c9f495ffe70c7dd280b41fdfd4881485a3bc28	Patch Third Party Advisory
https://security.gentoo.org/glsa/201804-19	Third Party Advisory
https://usn.ubuntu.com/4267-1/
https://www.debian.org/security/2018/dsa-4138	Third Party Advisory
https://www.debian.org/security/2018/dsa-4147	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:8.0:::::::*
	cpe:2.3:o:debian:debian_linux:9.0:::::::*

History

No history.

Information

Published : 2018-02-14 17:29

Updated : 2020-02-10 16:15

NVD link : CVE-2017-18187

Mitre link : CVE-2017-18187

CVE.ORG link : CVE-2017-18187

JSON object : View

Products Affected

debian

debian_linux

arm

mbed_tls

CWE

CWE-190

Integer Overflow or Wraparound

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