cbcvebase.
CVE-2017-18187
published 2018-02-14

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()…

PriorityP342critical9.8CVSS 3.0
AVNACLPRNUINSUCHIHAH
EPSS
3.17%
86.4th percentile
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.

Affected

9 ranges
VendorProductVersion rangeFixed in
armmbed_tls< 2.7.02.7.0
debiandebian_linux
debiandebian_linux
debianmbedtls< mbedtls 2.7.0-2 (bookworm)mbedtls 2.7.0-2 (bookworm)
mbedmbedtls>= 0 < 2.7.0-22.7.0-2
mbedmbedtls>= 0 < 2.7.0-22.7.0-2
mbedmbedtls>= 0 < 2.7.0-22.7.0-2
mbedmbedtls>= 0 < 2.7.0-22.7.0-2
mbedmbedtls>= 0 < 2.2.1-2ubuntu0.32.2.1-2ubuntu0.3

CVSS provenance

nvdv3.09.8CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
osv9.8CRITICAL
vendor_debian9.8CRITICAL
vendor_ubuntu9.8CRITICAL
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