CVE-2017-18187
Published: 14 February 2018
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.
Priority
Status
Package | Release | Status |
---|---|---|
mbedtls Launchpad, Ubuntu, Debian |
artful |
Ignored
(end of life)
|
bionic |
Not vulnerable
(2.8.0-1)
|
|
cosmic |
Not vulnerable
(2.8.0-1)
|
|
disco |
Not vulnerable
(2.8.0-1)
|
|
eoan |
Not vulnerable
(2.8.0-1)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(2.4.2-1+deb9u2, 2.7.0-2)
|
|
xenial |
Released
(2.2.1-2ubuntu0.3)
|
|
polarssl Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
bionic |
Does not exist
|
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
eoan |
Does not exist
|
|
trusty |
Does not exist
(trusty was needed)
|
|
upstream |
Released
(1.3.9-2.1+deb8u3)
|
|
xenial |
Does not exist
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 9.8 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |