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freebsdFreeBSDF4876DD4-9CA8-11E8-AA17-0011D823EEBD
HistoryJul 24, 2018 - 12:00 a.m.

mbed TLS -- plaintext recovery vulnerabilities

2018-07-2400:00:00
vuxml.freebsd.org
16

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0.004

Percentile

72.4%

Simon Butcher reports:

When using a CBC based ciphersuite, a remote attacker can
partially recover the plaintext.
When using a CBC based ciphersuite, an attacker with the
ability to execute arbitrary code on the machine under attack
can partially recover the plaintext by use of cache based
side-channels.

OSVersionArchitecturePackageVersionFilename
FreeBSDanynoarchmbedtls< 2.12UNKNOWN

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0.004

Percentile

72.4%